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RSS2012 Vol. 24, No. 02
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2012,
24: 253-260.
doi: 10.3788/HPLPB20122402.0253
Abstract:
By using the concept of electromagnetic energy, a systematic description is given for pulsed power generation process. The physical characteristics of energy storage, transmission, and output have been examined with a unified theoretic model. From th...
By using the concept of electromagnetic energy, a systematic description is given for pulsed power generation process. The physical characteristics of energy storage, transmission, and output have been examined with a unified theoretic model. From th...
2012,
24: 261-266.
Abstract:
KTa1-xNbxO3(KTN) crystal exhibits an extremely large quadratic electro-optic effect, which can manipulate the phase, intensity and propagation direction of the light. KTN devices can be applied not only to optical communications, but also to various ...
KTa1-xNbxO3(KTN) crystal exhibits an extremely large quadratic electro-optic effect, which can manipulate the phase, intensity and propagation direction of the light. KTN devices can be applied not only to optical communications, but also to various ...
2012,
24: 267-275.
Abstract:
Heat energy loss fraction and corresponding equilibrium temperature of combustor are roughly estimated according to the heat transfer theory on condition that input fuels mass flow rates, compositions proportioning and relevant configuration paramete...
Heat energy loss fraction and corresponding equilibrium temperature of combustor are roughly estimated according to the heat transfer theory on condition that input fuels mass flow rates, compositions proportioning and relevant configuration paramete...
2012,
24: 276-280.
Abstract:
Based on the extended Huygens-Fresnel principle, the expression for the mean-squared width of apertured polychromatic Gaussian Schell-model (GSM) beams propagating through atmospheric turbulence is derived by using the quadratic approximation of Ryto...
Based on the extended Huygens-Fresnel principle, the expression for the mean-squared width of apertured polychromatic Gaussian Schell-model (GSM) beams propagating through atmospheric turbulence is derived by using the quadratic approximation of Ryto...
2012,
24: 281-284.
Abstract:
The orbital change of space debris using laser irradiation was analyzed to study the laser removal processes of centimeter-scale space debris. A physical model was build up, and the space debris re-entering and burnout processes were studied numerica...
The orbital change of space debris using laser irradiation was analyzed to study the laser removal processes of centimeter-scale space debris. A physical model was build up, and the space debris re-entering and burnout processes were studied numerica...
2012,
24: 285-288.
Abstract:
The fundamental equations of Fourier heat transfer model and non-Fourier heat transfer model were numerically solved, with the finite difference method. The relative changes between temperature curves of the two heat transfer models were analyzed und...
The fundamental equations of Fourier heat transfer model and non-Fourier heat transfer model were numerically solved, with the finite difference method. The relative changes between temperature curves of the two heat transfer models were analyzed und...
2012,
24: 289-292.
doi: 10.3788/HPLPB20122402.0289
Abstract:
A method of scanning filtering for improving the signal to noise ratio (SNR) of chirped pulse has been proposed. The method is based on Fabry Perot (F-P) etalon with electro optic crystal, and uses the principle of multi beam interference of the F-P ...
A method of scanning filtering for improving the signal to noise ratio (SNR) of chirped pulse has been proposed. The method is based on Fabry Perot (F-P) etalon with electro optic crystal, and uses the principle of multi beam interference of the F-P ...
2012,
24: 293-296.
Abstract:
Based on the generalized Huygens-Fresnel integral and the Hermite-Gaussian expansion of a Lorentz function, an analytical propagation expression for the kurtosis parameter of a partially coherent Lorentz-Gauss beam through a paraxial ABCD optical sys...
Based on the generalized Huygens-Fresnel integral and the Hermite-Gaussian expansion of a Lorentz function, an analytical propagation expression for the kurtosis parameter of a partially coherent Lorentz-Gauss beam through a paraxial ABCD optical sys...
2012,
24: 297-300.
Abstract:
Digital monitoring for length variation of optical fibers in femtosecond timing and synchronization system of XFEL Abstract:The requirements for the femtosecond timing and synchronization (fs TS) system in an X-ray free electron laser (XFEL) facility...
Digital monitoring for length variation of optical fibers in femtosecond timing and synchronization system of XFEL Abstract:The requirements for the femtosecond timing and synchronization (fs TS) system in an X-ray free electron laser (XFEL) facility...
2012,
24: 301-306.
Abstract:
For reducing the effect of undulate background in dim infrared targets detection, an anisotropic method is presented for infrared background prediction. According to differences of local gradient character among target region, smooth background regio...
For reducing the effect of undulate background in dim infrared targets detection, an anisotropic method is presented for infrared background prediction. According to differences of local gradient character among target region, smooth background regio...
2012,
24: 307-311.
doi: 10.3788/HPLPB20122402.0307
Abstract:
The paper presents an inversion algorithm for laser diode ceilometer to retrieve the vertical visibility. According to the working principle of laser ceilometer, a method has been derived for determining the boundary value of the aerosol extinction c...
The paper presents an inversion algorithm for laser diode ceilometer to retrieve the vertical visibility. According to the working principle of laser ceilometer, a method has been derived for determining the boundary value of the aerosol extinction c...
2012,
24: 312-314.
doi: 10.3788/HPLPB20122402.0312
Abstract:
An electro-optical switch based on Fabry-Perot(F-P) etalon is proposed. The working principle of the F-P switch is introduced, and the structure of the F-P switch is designed. As an example, the dependences of transmittance of the F-P switch on drivi...
An electro-optical switch based on Fabry-Perot(F-P) etalon is proposed. The working principle of the F-P switch is introduced, and the structure of the F-P switch is designed. As an example, the dependences of transmittance of the F-P switch on drivi...
2012,
24: 315-320.
doi: 10.3788/HPLPB20122402.0315
Abstract:
A novel and rapidly tunable laser was proposed, consisting of a semiconductor ring laser (SRL) formed by an active microring under constant current pumping and a monolithically integrated external tunable passive microring reflector. The geometry, th...
A novel and rapidly tunable laser was proposed, consisting of a semiconductor ring laser (SRL) formed by an active microring under constant current pumping and a monolithically integrated external tunable passive microring reflector. The geometry, th...
2012,
24: 321-326.
doi: 10.3788/HPLPB20122402.0321
Abstract:
A fast active contour tracking(ACT) algorithm based on log-likelihood image segmentation has been proposed to solve the scale change problem in the process of target tracking. The algorithm adopts the log-likelihood image segmentation method, which s...
A fast active contour tracking(ACT) algorithm based on log-likelihood image segmentation has been proposed to solve the scale change problem in the process of target tracking. The algorithm adopts the log-likelihood image segmentation method, which s...
2012,
24: 327-330.
doi: 10.3788/HPLPB20122402.0327
Abstract:
An anomaly detection algorithm for hyperspectral images based on multiscale decomposition is proposed. Both spatial and spectral information is used to locate and detect targets under the condition of no prior knowledge about target and background. F...
An anomaly detection algorithm for hyperspectral images based on multiscale decomposition is proposed. Both spatial and spectral information is used to locate and detect targets under the condition of no prior knowledge about target and background. F...
2012,
24: 331-337.
doi: 10.3788/HPLPB20122402.0331
Abstract:
Dynamic speckles appear when a cylinder rotating with a constant angular velocity is irradiated by a Gaussian light beam. The statistical property of dynamic speckles in far-field diffraction is acquired when the irradiated area is larger than the cy...
Dynamic speckles appear when a cylinder rotating with a constant angular velocity is irradiated by a Gaussian light beam. The statistical property of dynamic speckles in far-field diffraction is acquired when the irradiated area is larger than the cy...
2012,
24: 338-342.
doi: 10.3788/HPLPB20122402.0338
Abstract:
Ta2O5 aerogels are prepared by sol-gel technique in the presence of different kinds of acid catalysts such as HCI,HNO3 and H2SO4. The gelation time of H2SO4 system is far less than that of HCI and HNO3 systems. Moreover, the shrinkage and cracking ph...
Ta2O5 aerogels are prepared by sol-gel technique in the presence of different kinds of acid catalysts such as HCI,HNO3 and H2SO4. The gelation time of H2SO4 system is far less than that of HCI and HNO3 systems. Moreover, the shrinkage and cracking ph...
2012,
24: 343-348.
doi: 10.3788/HPLPB20122402.0343
Abstract:
Considering the additional surface variation of large-aperture thin KDP crystal placed with the departure angle of 45 from the horizontal plane in inertial confinement fusion (ICF) systems, which caused by the fabrication errors of KDP crystal and it...
Considering the additional surface variation of large-aperture thin KDP crystal placed with the departure angle of 45 from the horizontal plane in inertial confinement fusion (ICF) systems, which caused by the fabrication errors of KDP crystal and it...
2012,
24: 349-352.
doi: 10.3788/HPLPB20122402.0349
Abstract:
High-stable and monodisperse colloidal nano-silver particles were synthesized by reduction of ［Ag(NH3)2］+ with hydrazine hydrate using sodium citrate as stabilizer and polyvinylpyrrolidone(PVP) as dispersant. Furthermore, nano-silver/polystyrene comp...
High-stable and monodisperse colloidal nano-silver particles were synthesized by reduction of ［Ag(NH3)2］+ with hydrazine hydrate using sodium citrate as stabilizer and polyvinylpyrrolidone(PVP) as dispersant. Furthermore, nano-silver/polystyrene comp...
2012,
24: 353-356.
doi: 10.3788/HPLPB20122402.0353
Abstract:
The polystyrene(PS) microspheres were coated by gold colloid with an average grain size of 4.6 nm by the electrostatic effect, and then electroless plated with gold silver consecutively. The deposited gold layer was 70 to 90 nm thick, almost coating ...
The polystyrene(PS) microspheres were coated by gold colloid with an average grain size of 4.6 nm by the electrostatic effect, and then electroless plated with gold silver consecutively. The deposited gold layer was 70 to 90 nm thick, almost coating ...
2012,
24: 0357-360.
doi: 10.3788/HPLPB20122402.0357
Abstract:
Based on the self-focusing and uniform dispersion principle, a spectrograph with uniform dispersion bent crystal was developed for Z-pinch plasma X-ray diagnosis. -quartz (1010) crystal was used as dispersion element and the Bragg angle of the crysta...
Based on the self-focusing and uniform dispersion principle, a spectrograph with uniform dispersion bent crystal was developed for Z-pinch plasma X-ray diagnosis. -quartz (1010) crystal was used as dispersion element and the Bragg angle of the crysta...
2012,
24: 361-365.
doi: 10.3788/HPLPB20122402.0361
Abstract:
Hollow polymer microspheres about 5 m in diameter were synthesized by dynamic swelling method using micron-sized polystyrene spheres with positive charges on surfaces as seeds. The synthesis process included swelling by organic solvents such as tolue...
Hollow polymer microspheres about 5 m in diameter were synthesized by dynamic swelling method using micron-sized polystyrene spheres with positive charges on surfaces as seeds. The synthesis process included swelling by organic solvents such as tolue...
2012,
24: 365-369.
doi: 10.3788/HPLPB20122402.0365
Abstract:
The technology for coating the telescope primary mirror with protected aluminium layer is studied during the preparative process, when the mirror is face up. According to the geometry of ZZS3200 large coating equipment, the traditionally calculative ...
The technology for coating the telescope primary mirror with protected aluminium layer is studied during the preparative process, when the mirror is face up. According to the geometry of ZZS3200 large coating equipment, the traditionally calculative ...
2012,
24: 370-374.
doi: 10.3788/HPLPB20122402.0370
Abstract:
Carbon aerogels(CAs) and activated CAs doped with surfactant P123(PEO-PPO-PEO, molecular weight: 5 800) were prepared by conventional drying. SEM images show a handsome network structure of CAs prepared by conventional drying, and the network structu...
Carbon aerogels(CAs) and activated CAs doped with surfactant P123(PEO-PPO-PEO, molecular weight: 5 800) were prepared by conventional drying. SEM images show a handsome network structure of CAs prepared by conventional drying, and the network structu...
2012,
24: 375-378.
doi: 10.3788/HPLPB20122402.0375
Abstract:
Deuterated poly(vincylcyclohexane) (D-PVCH, C8H8D6) was successfully prepared via deuterated catalytic technology of polystyrene(PS). The structure of D-PVCH was characterized by FT-IR and 1HNMR spectroscopy, and the results show good agreement with ...
Deuterated poly(vincylcyclohexane) (D-PVCH, C8H8D6) was successfully prepared via deuterated catalytic technology of polystyrene(PS). The structure of D-PVCH was characterized by FT-IR and 1HNMR spectroscopy, and the results show good agreement with ...
2012,
24: 379-382.
doi: 10.3788/HPLPB20122402.0379
Abstract:
Organic aerogels were fabricated by sol-gel polymerization of melamine and formaldehyde monomers. The porous morphology, structure and thermal stability of the aerogels were characterized by nitrogen adsorption, Fourier transform infrared spectroscop...
Organic aerogels were fabricated by sol-gel polymerization of melamine and formaldehyde monomers. The porous morphology, structure and thermal stability of the aerogels were characterized by nitrogen adsorption, Fourier transform infrared spectroscop...
2012,
24: 383-388.
doi: 10.3788/HPLPB20122402.0383
Abstract:
The Mortar spectral element method and message passing interface(MPI) parallel computation technique have been used in studying turbulent mixing of Kelvin-Helmhtz instabilities, and the evolution mechanism of Kelvin-Helmhtz instabilities has been est...
The Mortar spectral element method and message passing interface(MPI) parallel computation technique have been used in studying turbulent mixing of Kelvin-Helmhtz instabilities, and the evolution mechanism of Kelvin-Helmhtz instabilities has been est...
2012,
24: 389-393.
doi: 10.3788/HPLPB20122402.0389
Abstract:
W1/O/W2 double emulsion particles of around 2 mm diameter were prepared using emulsion microencapsulation method. The stability of the particles was studied under the quasi-static condition and the rotating flow field, respectively, with the variatio...
W1/O/W2 double emulsion particles of around 2 mm diameter were prepared using emulsion microencapsulation method. The stability of the particles was studied under the quasi-static condition and the rotating flow field, respectively, with the variatio...
2012,
24: 394-398.
doi: 10.3788/HPLPB20122402.0394
Abstract:
The paper proposes a method using chirp-matching optical parametric chirped pulse amplification (OPCPA) scheme to eliminate the pre-pulse within the gain time window defined by the pump duration is proposed. The effects of the pump pulse shape, as we...
The paper proposes a method using chirp-matching optical parametric chirped pulse amplification (OPCPA) scheme to eliminate the pre-pulse within the gain time window defined by the pump duration is proposed. The effects of the pump pulse shape, as we...
2012,
24: 399-402.
doi: 10.3788/HPLPB20122402.0399
Abstract:
In large aperture planar optics fabrication, the key process, large precision annular lapping, is difficult to control. The fabricating principle and essence of annular lapping were discussed in this paper. The disadvantages of conventional controlli...
In large aperture planar optics fabrication, the key process, large precision annular lapping, is difficult to control. The fabricating principle and essence of annular lapping were discussed in this paper. The disadvantages of conventional controlli...
2012,
24: 403-406.
doi: 10.3788/HPLPB20122402.0403
Abstract:
The dispersion characteristics and beam-wave interaction simulation results for a 140 GHz confocal gyro-travelling wave tube are presented with the help of CST Microwave Studio and 3D PIC software. The TE06 mode of a confocal waveguide is chosen as t...
The dispersion characteristics and beam-wave interaction simulation results for a 140 GHz confocal gyro-travelling wave tube are presented with the help of CST Microwave Studio and 3D PIC software. The TE06 mode of a confocal waveguide is chosen as t...
2012,
24: 407-411.
doi: 10.3788/HPLPB20122402.0407
Abstract:
A nonlinear description via the self-consistent coupling equations of waves with relativistic electron beam, is provided for the nonlinear interaction of multiple modes with the relativistic electron beam in cyclotron autoresonance maser(CARM), to an...
A nonlinear description via the self-consistent coupling equations of waves with relativistic electron beam, is provided for the nonlinear interaction of multiple modes with the relativistic electron beam in cyclotron autoresonance maser(CARM), to an...
2012,
24: 412-416.
doi: 10.3788/HPLPB20122402.0412
Abstract:
The paper adopts the Monte-Carlo method in the simulation and modeling of a rough sea surface, and uses the method of moment(MoM) to establish a model based on dual integral equations for transmission characteristics analysis of high-power microwave(...
The paper adopts the Monte-Carlo method in the simulation and modeling of a rough sea surface, and uses the method of moment(MoM) to establish a model based on dual integral equations for transmission characteristics analysis of high-power microwave(...
2012,
24: 417-422.
doi: 10.3788/HPLPB20122402.0417
Abstract:
A multi-aperture array coupling directional coupler was designed to measure the output power and monitor the spectrum for the 8 mm-band gyrotron. The formulas of multi-aperture coupling coefficient were derived based on loose-coupling theory. Couplin...
A multi-aperture array coupling directional coupler was designed to measure the output power and monitor the spectrum for the 8 mm-band gyrotron. The formulas of multi-aperture coupling coefficient were derived based on loose-coupling theory. Couplin...
2012,
24: 423-427.
doi: 10.3788/HPLPB20122402.0423
Abstract:
Based on the aperture field theory, near-field radiation behaviors of super-Gaussian circular aperture antenna are discussed, and the near-field gain expression at focusing point while focusing is obtained. Corresponding simulations are conducted by ...
Based on the aperture field theory, near-field radiation behaviors of super-Gaussian circular aperture antenna are discussed, and the near-field gain expression at focusing point while focusing is obtained. Corresponding simulations are conducted by ...
2012,
24: 428-430.
doi: 10.3788/HPLPB20122402.0428
Abstract:
The orthodox method for designing gradient refractive index lens requires that the feeding antenna possesses a steady phase center, which restricts the application of this lens. To break through the restriction, the paper presents a numerical method....
The orthodox method for designing gradient refractive index lens requires that the feeding antenna possesses a steady phase center, which restricts the application of this lens. To break through the restriction, the paper presents a numerical method....
2012,
24: 431-435.
doi: 10.3788/HPLPB20122402.0431
Abstract:
A gyrotron oscillator with effective interaction between high-order electromagnetic mode and high electron cyclotron mode is achieved through the analysis on mode selectivity of photonic-band-gap cavity(PBGC). By analyzing the characteristics of PBGC...
A gyrotron oscillator with effective interaction between high-order electromagnetic mode and high electron cyclotron mode is achieved through the analysis on mode selectivity of photonic-band-gap cavity(PBGC). By analyzing the characteristics of PBGC...
2012,
24: 436-440.
doi: 10.3788/HPLPB20122402.0436
Abstract:
The design of focusing lens based on traditional ray path method is introduced. The performances of 3 mm focusing lens antennas are simulated by using electromagnetic simulation software. Antennas with different spread angles (12,20,30) of horn are s...
The design of focusing lens based on traditional ray path method is introduced. The performances of 3 mm focusing lens antennas are simulated by using electromagnetic simulation software. Antennas with different spread angles (12,20,30) of horn are s...
2012,
24: 441-444.
doi: 10.3788/HPLPB20122402.0441
Abstract:
The microwave source for spatial power combining based on single beam klystron has been developed, which will meet the requirements of modern radars and high power equipments. The system composition, high power klystron, phase control and high power ...
The microwave source for spatial power combining based on single beam klystron has been developed, which will meet the requirements of modern radars and high power equipments. The system composition, high power klystron, phase control and high power ...
2012,
24: 445-448.
doi: 10.3788/HPLPB20122402.0445
Abstract:
For the determination of dielectric properties of low-loss materials in millimeter wave band, this paper describes a biconcave quasi-optical resonator with the Q factor over 0.8 million, which enables the determination of loss tangents down to the 10...
For the determination of dielectric properties of low-loss materials in millimeter wave band, this paper describes a biconcave quasi-optical resonator with the Q factor over 0.8 million, which enables the determination of loss tangents down to the 10...
2012,
24: 449-452.
doi: 10.3788/HPLPB20122402.0449
Abstract:
According to the SLED(SLAC energy doubler) working principle, the error effect of the 3 dB coupler on the SLED performance has been studied theoretically. In the meantime, the effect of the 3 dB coupler on the SLED used in the BEPC and BEPC Ⅱ linac i...
According to the SLED(SLAC energy doubler) working principle, the error effect of the 3 dB coupler on the SLED performance has been studied theoretically. In the meantime, the effect of the 3 dB coupler on the SLED used in the BEPC and BEPC Ⅱ linac i...
2012,
24: 453-456.
doi: 10.3788/HPLPB20122402.0453
Abstract:
This paper reports the 2D/3D field calculations and designs of DC current septum magnet of injection system for rapid cycling synchrotron of the China Spallation Neutron Source (CSNS/RCS). The stray field ratio shrinks to 0.26 with 1 mmthick DT4 iro...
This paper reports the 2D/3D field calculations and designs of DC current septum magnet of injection system for rapid cycling synchrotron of the China Spallation Neutron Source (CSNS/RCS). The stray field ratio shrinks to 0.26 with 1 mmthick DT4 iro...
2012,
24: 457-462.
doi: 10.3788/HPLPB20122402.0457
Abstract:
In order to measure the beam emittance which is space charge dominated, a slit-based emittance measurement system is applied in Hefei Light Source(HLS). Two types of slit masks are chosen: multi-slit one and single-slit one. Measurement results show ...
In order to measure the beam emittance which is space charge dominated, a slit-based emittance measurement system is applied in Hefei Light Source(HLS). Two types of slit masks are chosen: multi-slit one and single-slit one. Measurement results show ...
2012,
24: 463-466.
doi: 10.3788/HPLPB20122402.0463
Abstract:
Hardening trends of X-ray beams from three X-ray machines of different energies traversing aluminium plates of different thickness were simulated by means of Monte-Carlo method, as well as the processes of areal density measuring，and corresponding ex...
Hardening trends of X-ray beams from three X-ray machines of different energies traversing aluminium plates of different thickness were simulated by means of Monte-Carlo method, as well as the processes of areal density measuring，and corresponding ex...
2012,
24: 467-470.
doi: 10.3788/HPLPB20122402.0467
Abstract:
The proton beam accelerated by target normal sheath acceleration (TNSA) mechanism has a wide energy spectrum, which limits its applications. In order to produce quasi-monoenergetic proton beams, the energy spectrum optimization method based on RF cav...
The proton beam accelerated by target normal sheath acceleration (TNSA) mechanism has a wide energy spectrum, which limits its applications. In order to produce quasi-monoenergetic proton beams, the energy spectrum optimization method based on RF cav...
2012,
24: 471-475.
doi: 10.3788/HPLPB20122402.0475
Abstract:
In a radiographic imaging system, the created light along the thickness direction of the scintillator is focused by a lens to form a blurred image, which is a limiting factor for the spatial resolution of the imaging system. Geometric optics models h...
In a radiographic imaging system, the created light along the thickness direction of the scintillator is focused by a lens to form a blurred image, which is a limiting factor for the spatial resolution of the imaging system. Geometric optics models h...
2012,
24: 476-480.
doi: 10.3788/HPLPB20122402.0476
Abstract:
To improve the quality of laser-induced breakdown spectroscopy, the nanosecond pulse laser generated by Nd:YAG laser was used to excite soil samples. The plasma spectrum was observed using a grating spectrometer and a photoelectric detection system. ...
To improve the quality of laser-induced breakdown spectroscopy, the nanosecond pulse laser generated by Nd:YAG laser was used to excite soil samples. The plasma spectrum was observed using a grating spectrometer and a photoelectric detection system. ...
2012,
24: 481-485.
doi: 10.3788/HPLPB20122402.0481
Abstract:
On the basis of the dominant physical processes of secondary electron emission, the relationship among secondary electron yield, the ratio of the mean secondary electron generation of one backscattered electron to that one of a primary electron, prim...
On the basis of the dominant physical processes of secondary electron emission, the relationship among secondary electron yield, the ratio of the mean secondary electron generation of one backscattered electron to that one of a primary electron, prim...
2012,
24: 486-490.
doi: 10.3788/HPLPB20122402.0486
Abstract:
High intensity pulsed ion beam (C+, H+) irradiation of casting magnesium alloy AZ31 target is carried out with shot times of 1, 5, 10, 20, 30, 50 and 100, respectively. The surface morphologies, phase structure, surface and cross-sectional microhardn...
High intensity pulsed ion beam (C+, H+) irradiation of casting magnesium alloy AZ31 target is carried out with shot times of 1, 5, 10, 20, 30, 50 and 100, respectively. The surface morphologies, phase structure, surface and cross-sectional microhardn...
2012,
24: 491-496.
doi: 10.3788/HPLPB20122402.0491
Abstract:
This paper investigates the generation and spatial propagating properties of vacuum discharge plasma with cone-plate and cone-mesh electrode configurations. Under the condition of single pulse discharge where the discharge current is 200 A and the di...
This paper investigates the generation and spatial propagating properties of vacuum discharge plasma with cone-plate and cone-mesh electrode configurations. Under the condition of single pulse discharge where the discharge current is 200 A and the di...
2012,
24: 497-500.
doi: 10.3788/HPLPB20122402.0497
Abstract:
According to the particular structures and working principles of high voltage semiconductor switches, drift step recovery diodes and fast ionization devices, a high pulse repetition frequency(PRF) and high voltage nanosecond electromagnetic pulse gen...
According to the particular structures and working principles of high voltage semiconductor switches, drift step recovery diodes and fast ionization devices, a high pulse repetition frequency(PRF) and high voltage nanosecond electromagnetic pulse gen...
2012,
24: 501-504.
doi: 10.3788/HPLPB20122402.0501
Abstract:
This paper puts forward a field calibration method of differential ring for nanosecond pulse current measurement after analyzing the problems in calibration. To resolve the low signal-to-noise ratio and low reliability issues, the pulse charging prin...
This paper puts forward a field calibration method of differential ring for nanosecond pulse current measurement after analyzing the problems in calibration. To resolve the low signal-to-noise ratio and low reliability issues, the pulse charging prin...
