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RSS2012 Vol. 24, No. 09
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2012,
24: 2017-2021.
doi: 10.3788/HPLPB20122409.2017
Abstract:
A forced vibration measurement method by laser combining the laser signal and high frequency CCD in optical systems is introduced. The method solves the conversion problem between the vibration signal and laser signal in optical systems, which can no...
A forced vibration measurement method by laser combining the laser signal and high frequency CCD in optical systems is introduced. The method solves the conversion problem between the vibration signal and laser signal in optical systems, which can no...
2012,
24: 2022-2026.
doi: 10.3788/HPLPB20122409.2022
Abstract:
Based on two theoretical models of refractive index structure parameters, the influence on atmosphere turbulence optical parameters exerted by atmosphere turbulence in different heights are discussed, including coherence length, isoplanatic angle, ti...
Based on two theoretical models of refractive index structure parameters, the influence on atmosphere turbulence optical parameters exerted by atmosphere turbulence in different heights are discussed, including coherence length, isoplanatic angle, ti...
2012,
24: 2027-2030.
doi: 10.3788/HPLPB20122409.2027
Abstract:
The development of the fiber laser-pumped optical parametric oscillator and its application in the directional infrared countermeasures technology was described. Some basic theories of laser infrared countermeasures were discussed. Based on the self-...
The development of the fiber laser-pumped optical parametric oscillator and its application in the directional infrared countermeasures technology was described. Some basic theories of laser infrared countermeasures were discussed. Based on the self-...
2012,
24: 2031-2036.
doi: 10.3788/HPLPB20122409.2031
Abstract:
The mid-infrared supercontinuum generation in telluride photonic crystal fiber with 2 m wavelength region pulsed laser pumping is numerically investigated. The material Raman response function is indirectly obtained from the Raman gain spectrum. The ...
The mid-infrared supercontinuum generation in telluride photonic crystal fiber with 2 m wavelength region pulsed laser pumping is numerically investigated. The material Raman response function is indirectly obtained from the Raman gain spectrum. The ...
2012,
24: 2037-2042.
doi: 10.3788/HPLPB20122409.2037
Abstract:
The wind profiles measured by a Rayleigh Doppler wind lidar are in good agreement with the pilot balloon wind profiles. The maximum discrepancy of the wind profiles of both the lidar and the pilot balloon is 3 m/s below 10 km and 4.5 m/s below 20 km....
The wind profiles measured by a Rayleigh Doppler wind lidar are in good agreement with the pilot balloon wind profiles. The maximum discrepancy of the wind profiles of both the lidar and the pilot balloon is 3 m/s below 10 km and 4.5 m/s below 20 km....
2012,
24: 2043-2046.
doi: 10.3788/HPLPB20122409.2043
Abstract:
Based on the thermal elastic model with thermal-mechanical uncoupling approximation and commonly-used assumptions, the scaling law in thermal deformation of high reflecting mirror under laser irradiation is obtained by equation analysis. For the same...
Based on the thermal elastic model with thermal-mechanical uncoupling approximation and commonly-used assumptions, the scaling law in thermal deformation of high reflecting mirror under laser irradiation is obtained by equation analysis. For the same...
2012,
24: 2047-2052.
doi: 10.3788/HPLPB20122409.2047
Abstract:
The far-field of the linearly polarized Gaussian beams diffracted at a circular aperture can be expressed as a sum of two orthogonal transversal electric (TE) and transversal magnetic (TM) terms. According to the far-field energy flux distributions o...
The far-field of the linearly polarized Gaussian beams diffracted at a circular aperture can be expressed as a sum of two orthogonal transversal electric (TE) and transversal magnetic (TM) terms. According to the far-field energy flux distributions o...
2012,
24: 2053-2058.
doi: 10.3788/HPLPB20122409.2053
Abstract:
With water as the working fluid, experiments on the heat transfer characteristics of spray cooling of micro-structured surfaces were performed in a closed loop system. Experimental data were analyzed in the view of the ratio between convective heat t...
With water as the working fluid, experiments on the heat transfer characteristics of spray cooling of micro-structured surfaces were performed in a closed loop system. Experimental data were analyzed in the view of the ratio between convective heat t...
2012,
24: 2059-2062.
doi: 10.3788/HPLPB20122409.2059
Abstract:
In grading-eliminated no-nonsense observation of ultrafast incident laser light e-fields(GRENOUILLE) measurements of femtosecond laser pulse, a nonuniform spatial beam profile can largely distort the trace, which results in an inaccurate temporal mea...
In grading-eliminated no-nonsense observation of ultrafast incident laser light e-fields(GRENOUILLE) measurements of femtosecond laser pulse, a nonuniform spatial beam profile can largely distort the trace, which results in an inaccurate temporal mea...
2012,
24: 2063-2067.
doi: 10.3788/HPLPB20122409.2063
Abstract:
This paper investigates a problem of universal approximation and modeling, which is used for the Takagi-Sugeno fuzzy model of hyperchaotic laser systems with parameters perturbation. Firstly, hyperchaos dynamics in laser system with parameters pertur...
This paper investigates a problem of universal approximation and modeling, which is used for the Takagi-Sugeno fuzzy model of hyperchaotic laser systems with parameters perturbation. Firstly, hyperchaos dynamics in laser system with parameters pertur...
2012,
24: 2068-2072.
doi: 10.3788/HPLPB20122409.2068
Abstract:
To solve the superposition problem of stress birefringence in measuring stress birefringence of optical glass, using optical equivalence principle, the superposition model was replaced by a system containing a birefringent plate and a rotator. The su...
To solve the superposition problem of stress birefringence in measuring stress birefringence of optical glass, using optical equivalence principle, the superposition model was replaced by a system containing a birefringent plate and a rotator. The su...
2012,
24: 2073-2078.
doi: 10.3788/HPLPB20122409.2073
Abstract:
The reconstruction of water temperature in combustion is realized by the tunable diode laser absorption spectroscopy technique. The model for H2O temperature distribution is assumed as a Gaussian function, ranging from 300 K to 1300 K. Radon transfor...
The reconstruction of water temperature in combustion is realized by the tunable diode laser absorption spectroscopy technique. The model for H2O temperature distribution is assumed as a Gaussian function, ranging from 300 K to 1300 K. Radon transfor...
2012,
24: 2079-2084.
doi: 10.3788/HPLPB20122409.2079
Abstract:
In frequency conversion systems of inertial confinement fusion, surface quality of KDP crystals with large dimension and low thickness is one of the key factors influencing the frequency conversion efficiency. For the third harmonic generation KDP cr...
In frequency conversion systems of inertial confinement fusion, surface quality of KDP crystals with large dimension and low thickness is one of the key factors influencing the frequency conversion efficiency. For the third harmonic generation KDP cr...
Adjustable delay analysis using frequency shift characteristics of electro-optic intensity modulator
2012,
24: 2085-2088.
doi: 10.3788/HPLPB20122409.2085
Abstract:
To meet the requirements of the adjustable delay of the pulse in the data synchronization processing of optical communication systems, a structural design scheme of adjusting the delay has been proposed. The light frequency shift characteristics of e...
To meet the requirements of the adjustable delay of the pulse in the data synchronization processing of optical communication systems, a structural design scheme of adjusting the delay has been proposed. The light frequency shift characteristics of e...
2012,
24: 2089-2093.
doi: 10.3788/HPLPB20122409.2089
Abstract:
For the packaging demand of high power diode laser, the method of magnetron sputtering was used to fabricate the Au80Sn20 alloy solder. A scanning electron microscope (SEM) was adopted to observe its microstructure and surface topography, an energy d...
For the packaging demand of high power diode laser, the method of magnetron sputtering was used to fabricate the Au80Sn20 alloy solder. A scanning electron microscope (SEM) was adopted to observe its microstructure and surface topography, an energy d...
2012,
24: 2094-2098.
doi: 10.3788/HPLPB20122409.2094
Abstract:
A Cu-1.5%Be alloy ribbon was prepared by single-roller rapid solidification method, and rapid solidification cooling rate was estimated according to the heat transport equilibrium equation. The microstructure and phase choice of the ribbon were chara...
A Cu-1.5%Be alloy ribbon was prepared by single-roller rapid solidification method, and rapid solidification cooling rate was estimated according to the heat transport equilibrium equation. The microstructure and phase choice of the ribbon were chara...
2012,
24: 2099-2102.
doi: 10.3788/HPLPB20122409.2099
Abstract:
Polypropylene(PP) and polyethylene(PE) are treated with radio frequency(RF) glow discharge plasma and dielectric barrier discharge(DBD) plasma. Then the shear strength of the mixing adhesion of PP and PE using polyurethane as adhesive is tested. Resu...
Polypropylene(PP) and polyethylene(PE) are treated with radio frequency(RF) glow discharge plasma and dielectric barrier discharge(DBD) plasma. Then the shear strength of the mixing adhesion of PP and PE using polyurethane as adhesive is tested. Resu...
2012,
24: 2103-2108.
doi: 10.3788/HPLPB20122409.2103
Abstract:
Mission-availability of inertial confinement fusion (ICF) laser facilities is considered as an important factor of facility construction. Based on basic models for mission-availability, processes of the facility performing tasks are analyzed with the...
Mission-availability of inertial confinement fusion (ICF) laser facilities is considered as an important factor of facility construction. Based on basic models for mission-availability, processes of the facility performing tasks are analyzed with the...
2012,
24: 2109-2112.
doi: 10.3788/HPLPB20122409.2109
Abstract:
The double-peak fusion rate of capsules for high yield implosion experiments on Shenguang Ⅲ prototype laser is studied by numerical simulation. The competition of energy gain and loss in the fusion region causes the double-peak phenomenon in fusion r...
The double-peak fusion rate of capsules for high yield implosion experiments on Shenguang Ⅲ prototype laser is studied by numerical simulation. The competition of energy gain and loss in the fusion region causes the double-peak phenomenon in fusion r...
2012,
24: 2113-2116.
doi: 10.3788/HPLPB20122409.2113
Abstract:
Soft X-ray mirror used in inertial confinement fusion (ICF) experiments have been preformed at the 4B7B beam-line of Beijing Synchrotron Radiation Facility (BSRF). The main factors influencing the mirror reflectance were investigated and confirmed to...
Soft X-ray mirror used in inertial confinement fusion (ICF) experiments have been preformed at the 4B7B beam-line of Beijing Synchrotron Radiation Facility (BSRF). The main factors influencing the mirror reflectance were investigated and confirmed to...
2012,
24: 2117-2120.
doi: 10.3788/HPLPB20122409.2117
Abstract:
A series of plasma characteristic spectral lines of red copper were obtained under nanosecond laser shock with a pulsed Nd:YAG laser (1064 nm， maximum energy 500 mJ). It can be inferred from the experimental result that the copper atomic spectrum is ...
A series of plasma characteristic spectral lines of red copper were obtained under nanosecond laser shock with a pulsed Nd:YAG laser (1064 nm， maximum energy 500 mJ). It can be inferred from the experimental result that the copper atomic spectrum is ...
2012,
24: 2121-2124.
doi: 10.3788/HPLPB20122409.2121
Abstract:
Based on SG-Ⅲ prototype laser facility, an experimental method to examine the accuracy of shock speed measurement by imaging velocity interferometer system for any reflector(VISAR) was developed. The conventional double-sensitivity method leads to mu...
Based on SG-Ⅲ prototype laser facility, an experimental method to examine the accuracy of shock speed measurement by imaging velocity interferometer system for any reflector(VISAR) was developed. The conventional double-sensitivity method leads to mu...
2012,
24: 2125-2129.
doi: 10.3788/HPLPB20122409.2125
Abstract:
Silica colloidal crystals and multilayer heterostructures were fabricated by using monodisperse silica microspheres. Non-closely-packed colloidal crystals, whose volume ratio of voids was larger than 26% in face-centered closely-packed structure, wer...
Silica colloidal crystals and multilayer heterostructures were fabricated by using monodisperse silica microspheres. Non-closely-packed colloidal crystals, whose volume ratio of voids was larger than 26% in face-centered closely-packed structure, wer...
2012,
24: 2130-2134.
doi: 10.3788/HPLPB20122409.2130
Abstract:
An exponential impedance matching method is used to optimize the structure of constant impedance TEM horn used in ultra-wide spectrum radiation system. Both the constant impedance TEM horn and the ridged TEM horn have been fabricated and tested under...
An exponential impedance matching method is used to optimize the structure of constant impedance TEM horn used in ultra-wide spectrum radiation system. Both the constant impedance TEM horn and the ridged TEM horn have been fabricated and tested under...
2012,
24: 2135-2140.
doi: 10.3788/HPLPB20122409.2135
Abstract:
This paper presents the optimum design and simulation results of 0.22 THz folded waveguide TWT(traveling wave tube) components. Precision machining and assembly welding technologies are investigated for these components. Finally, the components with ...
This paper presents the optimum design and simulation results of 0.22 THz folded waveguide TWT(traveling wave tube) components. Precision machining and assembly welding technologies are investigated for these components. Finally, the components with ...
2012,
24: 2141-2144.
doi: 10.3788/HPLPB20122409.2141
Abstract:
Large orbit axis-encircling electron beams can provide improved coupling and mode selectivity in a high harmonic terahertz gyrotron. For developing a 0.6 THz 3rd-harmonic large orbit gyrotron, a cusp gun with a beam voltage of 55 kV and a beam curren...
Large orbit axis-encircling electron beams can provide improved coupling and mode selectivity in a high harmonic terahertz gyrotron. For developing a 0.6 THz 3rd-harmonic large orbit gyrotron, a cusp gun with a beam voltage of 55 kV and a beam curren...
2012,
24: 2145-2150.
doi: 10.3788/HPLPB20122409.2145
Abstract:
Aiming at the problems that the existing methods based on the probability statistical theory and the fuzzy neural network method must be built on the foundation of large quantities of statistical data, and the failure thresholds of electronic devices...
Aiming at the problems that the existing methods based on the probability statistical theory and the fuzzy neural network method must be built on the foundation of large quantities of statistical data, and the failure thresholds of electronic devices...
2012,
24: 2151-2154.
doi: 10.3788/HPLPB20122409.2151
Abstract:
The introduction of bunching cavities can significantly increase the gain of relativistic klystron amplifier, and correspondingly the power of the seeding microwave can be reduced to a very low level. Though higher gain can be obtained with more bunc...
The introduction of bunching cavities can significantly increase the gain of relativistic klystron amplifier, and correspondingly the power of the seeding microwave can be reduced to a very low level. Though higher gain can be obtained with more bunc...
2012,
24: 2155-2158.
doi: 10.3788/HPLPB20122409.2155
Abstract:
For the shortcomings of large size and narrow band width, a variable-period serpentine circular waveguide mode converter is proposed to realize high efficiency conversion of TE01 to TE11. According to the coupled wave equation, the optimal configurat...
For the shortcomings of large size and narrow band width, a variable-period serpentine circular waveguide mode converter is proposed to realize high efficiency conversion of TE01 to TE11. According to the coupled wave equation, the optimal configurat...
2012,
24: 2159-2163.
doi: 10.3788/HPLPB20122409.2159
Abstract:
The diode spurious oscillation in wide-gap klystron amplifiers was studied by using a three-dimensional high frequency program and particle-in-cell softwave. Due to the cut-off of the high-order mode TM31 in the diode region at 6.18 GHz, the diodes t...
The diode spurious oscillation in wide-gap klystron amplifiers was studied by using a three-dimensional high frequency program and particle-in-cell softwave. Due to the cut-off of the high-order mode TM31 in the diode region at 6.18 GHz, the diodes t...
2012,
24: 2164-2168.
doi: 10.3788/HPLPB20122409.2164
Abstract:
The staggered double vane was employed as the slow wave circuit and a transition structure and an output coupler were proposed to design a W-band backward wave oscillator (BWO) operating with sheet electron beam. The transition structure and the outp...
The staggered double vane was employed as the slow wave circuit and a transition structure and an output coupler were proposed to design a W-band backward wave oscillator (BWO) operating with sheet electron beam. The transition structure and the outp...
2012,
24: 2169-2173.
doi: 10.3788/HPLPB20122409.2169
Abstract:
A compact TEM-TE11 mode converter suitable for narrow band high power microwave system was developed. The coaxial waveguide is divided into several sectorial waveguides with different phase propagation constants, and the waveguides with relatively la...
A compact TEM-TE11 mode converter suitable for narrow band high power microwave system was developed. The coaxial waveguide is divided into several sectorial waveguides with different phase propagation constants, and the waveguides with relatively la...
2012,
24: 2174-2178.
doi: 10.3788/HPLPB20122409.2174
Abstract:
The output circuit of high-order TM310 mode in single- and double-gap cylindrical coaxial cavities of klystron is designed. The gap impedances at the drift tube centers and corresponding output bandwidths are calculated, simulated and compared accord...
The output circuit of high-order TM310 mode in single- and double-gap cylindrical coaxial cavities of klystron is designed. The gap impedances at the drift tube centers and corresponding output bandwidths are calculated, simulated and compared accord...
2012,
24: 2179-2182.
doi: 10.3788/HPLPB20122409.2179
Abstract:
A wall current monitor(WCM) was designed and built for measuring the bunch longitudinal length and beam intensity of the radio frequency quadrupole accelerator supported by 973 Program. The design method will be used for the WCM of Rapid Cycling Sync...
A wall current monitor(WCM) was designed and built for measuring the bunch longitudinal length and beam intensity of the radio frequency quadrupole accelerator supported by 973 Program. The design method will be used for the WCM of Rapid Cycling Sync...
2012,
24: 2183-2168.
doi: 10.3788/HPLPB20122409.2183
Abstract:
The SXFEL has stringent restrictions on beam emittance growth, and the traditional optical alignment can no longer meet its requirements, but the beam-based alignment(BBA) method allows more precise alignment, further reducing the linac errors to mee...
The SXFEL has stringent restrictions on beam emittance growth, and the traditional optical alignment can no longer meet its requirements, but the beam-based alignment(BBA) method allows more precise alignment, further reducing the linac errors to mee...
2012,
24: 2187-2192.
doi: 10.3788/HPLPB20122409.2187
Abstract:
The development technology of Sm2Co17 magnets in China has been improved and sample magnets of three forming-sintering designs have been tested. The test results show that the magnetic properties of Sm2Co17 magnets are improved, and their magnetic mo...
The development technology of Sm2Co17 magnets in China has been improved and sample magnets of three forming-sintering designs have been tested. The test results show that the magnetic properties of Sm2Co17 magnets are improved, and their magnetic mo...
2012,
24: 2193-2197.
doi: 10.3788/HPLPB20122409.2193
Abstract:
An 11 MeV H－ compact cyclotron used for medical radioactive isotope production is under construction in Institute of Fluid Physics, CAEP. The cyclotron magnet adopts the design of small valley gaps and coulee structure which can provide high average ...
An 11 MeV H－ compact cyclotron used for medical radioactive isotope production is under construction in Institute of Fluid Physics, CAEP. The cyclotron magnet adopts the design of small valley gaps and coulee structure which can provide high average ...
2012,
24: 2198-2202.
doi: 10.3788/HPLPB20122409.2198
Abstract:
The producing mechanism of secondary electrons from target surfaces under ion beam bombardment is discussed. Several methods to suppress the secondary electrons in special vacuum devices and their advantages and disadvantages are introduced. The ways...
The producing mechanism of secondary electrons from target surfaces under ion beam bombardment is discussed. Several methods to suppress the secondary electrons in special vacuum devices and their advantages and disadvantages are introduced. The ways...
2012,
24: 2203-2206.
doi: 10.3788/HPLPB20122409.2203
Abstract:
The impact velocity between space debris and spacecraft is normally in excess of 10 km/s. The impact process at such velocity features high temperature, high pressure and high strain rate, along with phase transitions. The vapor occur at the same tim...
The impact velocity between space debris and spacecraft is normally in excess of 10 km/s. The impact process at such velocity features high temperature, high pressure and high strain rate, along with phase transitions. The vapor occur at the same tim...
2012,
24: 2207-2211.
doi: 10.3788/HPLPB20122409.2207
Abstract:
To improve accuracy and efficiency of contour processing of industrial computed tomography (CT) images for reverse engineering, an industrial CT slicing image contour extraction and optimization system is developed in this paper. The system includes ...
To improve accuracy and efficiency of contour processing of industrial computed tomography (CT) images for reverse engineering, an industrial CT slicing image contour extraction and optimization system is developed in this paper. The system includes ...
2012,
24: 2212-2214.
doi: 10.3788/HPLPB20122409.2212
Abstract:
In order to diagnose electromagnetic radiation generated by hypervelocity impact, the experimental and microwave diagnostic system for the electromagnetic radiation was established. Experimental diagnostics of electromagnetic radiation generated by i...
In order to diagnose electromagnetic radiation generated by hypervelocity impact, the experimental and microwave diagnostic system for the electromagnetic radiation was established. Experimental diagnostics of electromagnetic radiation generated by i...
2012,
24: 2215-2219.
doi: 10.3788/HPLPB20122409.2215
Abstract:
A BP neural network based image restoration algorithm is proposed against the blur of flash radiographic images with low signal-to-noise ratios. Firstly the degraded image and the sample image are both divided into the edge part and the smooth part. ...
A BP neural network based image restoration algorithm is proposed against the blur of flash radiographic images with low signal-to-noise ratios. Firstly the degraded image and the sample image are both divided into the edge part and the smooth part. ...
2012,
24: 2220-2224.
doi: 10.3788/HPLPB20122409.2220
Abstract:
Based on Fresnel-Kirchhoff diffraction theory, the propagation behavior of the Gaussian beam passing through the nonlinear optical medium is theoretically analyzed under strong absorption or without absorption. A unified equation is derived, which ca...
Based on Fresnel-Kirchhoff diffraction theory, the propagation behavior of the Gaussian beam passing through the nonlinear optical medium is theoretically analyzed under strong absorption or without absorption. A unified equation is derived, which ca...
2012,
24: 2225-2229.
doi: 10.3788/HPLPB20122409.2225
Abstract:
For better computing efficiency in high-performance clusters, a three-dimensional electromagnetic PIC parallel code was developed in Linux system based on the CHIPIC software code. By testing a magnetically insulated transmission line oscillator, gyr...
For better computing efficiency in high-performance clusters, a three-dimensional electromagnetic PIC parallel code was developed in Linux system based on the CHIPIC software code. By testing a magnetically insulated transmission line oscillator, gyr...
2012,
24: 2230-2234.
doi: 10.3788/HPLPB20122409.2230
Abstract:
Basic principles and physical mechanism of image measurement by using imaging plates(IPs) are studied in this paper, and fundamental problems about applications of the IPs in gamma-ray image measurement are also analyzed. Monte Carlo models of imagin...
Basic principles and physical mechanism of image measurement by using imaging plates(IPs) are studied in this paper, and fundamental problems about applications of the IPs in gamma-ray image measurement are also analyzed. Monte Carlo models of imagin...
2012,
24: 2235-2238.
doi: 10.3788/HPLPB20122409.2235
Abstract:
In order to solve the problem of scattering artifacts in the computed tomography images, a modified Poisson distribution function is presented and used as the scatter model. A set of scatter basis images are obtained from scatter estimations with dif...
In order to solve the problem of scattering artifacts in the computed tomography images, a modified Poisson distribution function is presented and used as the scatter model. A set of scatter basis images are obtained from scatter estimations with dif...
2012,
24: 2239-2244.
doi: 10.3788/HPLPB20122409.2239
Abstract:
Factors affecting the triggering breakdown characteristics of a multi-gap gas switch have been investigated in this paper. Experiments were carried out to study the relationship between the trigger jitter and various switch parameters, e.g. the trigg...
Factors affecting the triggering breakdown characteristics of a multi-gap gas switch have been investigated in this paper. Experiments were carried out to study the relationship between the trigger jitter and various switch parameters, e.g. the trigg...
2012,
24: 2245-2249.
doi: 10.3788/HPLPB20122409.2245
Abstract:
In this paper, a strip air-core pulse transformer is designed to convert the current. And, how it works and the process of making iselaborated in detail. The transformer contains leads, insulator, copper strip and supporting core. Under the condition...
In this paper, a strip air-core pulse transformer is designed to convert the current. And, how it works and the process of making iselaborated in detail. The transformer contains leads, insulator, copper strip and supporting core. Under the condition...
2012,
24: 2250-2254.
doi: 10.3788/HPLPB20122409.2250
Abstract:
A resistive-voltage-dividing high-power load used for experiments of magnetically insulated transmission lines (MITLs) has been designed, and the resistance of this load can be changed from 2.0 to 14.0 . By using the system identification tool of MAT...
A resistive-voltage-dividing high-power load used for experiments of magnetically insulated transmission lines (MITLs) has been designed, and the resistance of this load can be changed from 2.0 to 14.0 . By using the system identification tool of MAT...
2012,
24: 2255-2258.
doi: 10.3788/HPLPB20122409.2255
Abstract:
This paper investigates the effects of the impedance, and transmission voltage and current of magnetically insulated transmission lines(MITLs) on the current of the generated space electron flow and the thickness of the cathode electron sheath. The t...
This paper investigates the effects of the impedance, and transmission voltage and current of magnetically insulated transmission lines(MITLs) on the current of the generated space electron flow and the thickness of the cathode electron sheath. The t...
2012,
24: 2259-2263.
doi: 10.3788/HPLPB20122409.2259
Abstract:
The paper investigates an NEMP(nuclear electromagnetic pulse) detection technique in the absence of nuclear testing. After threshold demodulation, DC elimination, filtering, interpolation and normalization, the method uses wavelet analysis to extract...
The paper investigates an NEMP(nuclear electromagnetic pulse) detection technique in the absence of nuclear testing. After threshold demodulation, DC elimination, filtering, interpolation and normalization, the method uses wavelet analysis to extract...
2012,
24: 2264-2268.
doi: 10.3788/HPLPB20122409.2264
Abstract:
On the basis of the nonlinear equations, the characteristic of nonlinear chaotic dynamics was investigated in a traveling-wave tube amplifier. The phase space of the electron orbits, the time-space distribution and the output power of the radiation f...
On the basis of the nonlinear equations, the characteristic of nonlinear chaotic dynamics was investigated in a traveling-wave tube amplifier. The phase space of the electron orbits, the time-space distribution and the output power of the radiation f...
