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RSS2019 Vol. 31, No. 8
Recommend Articles
2019, 31: 083101.
doi: 10.11884/HPLPB201931.180312
2019, 31: 085102.
doi: 10.11884/HPLPB201931.190064
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2019,
31: 081001.
doi: 10.11884/HPLPB201931.190048
Abstract:
The frequency spectrum of turbulence measured by common micro-temperature sensor is mostly below 20 Hz, which can not show the high frequency characteristics of atmospheric temperature fluctuation.This paper introduces the design of a broadband low n...
The frequency spectrum of turbulence measured by common micro-temperature sensor is mostly below 20 Hz, which can not show the high frequency characteristics of atmospheric temperature fluctuation.This paper introduces the design of a broadband low n...
2019,
31: 081002.
doi: 10.11884/HPLPB201931.190074
Abstract:
The sounding balloons released from Korla, Maoming, Guangdong and Lhasa, Tibet, have been used to measure the profiles of temperature, air pressure and wind velocity and the refractive index structure constants of the atmosphere.Based on the optical ...
The sounding balloons released from Korla, Maoming, Guangdong and Lhasa, Tibet, have been used to measure the profiles of temperature, air pressure and wind velocity and the refractive index structure constants of the atmosphere.Based on the optical ...
2019,
31: 082001.
doi: 10.11884/HPLPB201931.190211
Abstract:
The initial damage and damage growth of fused quartz optical elements irradiated by fundamental frequency, double frequency and triple frequency lasers alone and at the same time are studied comparatively.The effects of fundamental and double frequen...
The initial damage and damage growth of fused quartz optical elements irradiated by fundamental frequency, double frequency and triple frequency lasers alone and at the same time are studied comparatively.The effects of fundamental and double frequen...
2019,
31: 083001.
doi: 10.11884/HPLPB201931.180277
Abstract:
For the shortcomings of unknown mode purity and apparently ambiguous design idea in the literature (Danilov, 2007), an improved rotating high-order mode generator based on the helically-distributed perforation (HDP) technique is presented to realize ...
For the shortcomings of unknown mode purity and apparently ambiguous design idea in the literature (Danilov, 2007), an improved rotating high-order mode generator based on the helically-distributed perforation (HDP) technique is presented to realize ...
2019,
31: 083002.
doi: 10.11884/HPLPB201931.180275
Abstract:
Improving antenna performance at low frequency is the focus of TEM horn antenna research.A new TEM horn antenna was designed by analyzing the impedance gradient and time-domain radiation characteristics of the antenna, to solve the reflection problem...
Improving antenna performance at low frequency is the focus of TEM horn antenna research.A new TEM horn antenna was designed by analyzing the impedance gradient and time-domain radiation characteristics of the antenna, to solve the reflection problem...
2019,
31: 083101.
doi: 10.11884/HPLPB201931.180312
Abstract:
An extended interaction klystron (EIK), which is composed of an input cavity and an output cavity both based on 8 periods of staggered double rectangular waveguide structure (SDRWS) and an intermediate cavity based on 6 periods of SDRWS, is calculate...
An extended interaction klystron (EIK), which is composed of an input cavity and an output cavity both based on 8 periods of staggered double rectangular waveguide structure (SDRWS) and an intermediate cavity based on 6 periods of SDRWS, is calculate...
2019,
31: 083102.
doi: 10.11884/HPLPB201931.190067
Abstract:
Micro-electroforming is a key step of terahertz all-metal devices microfabrication, in which metal-ion deposit uniformity determines the grating's quality.Meanwhile, the deposit uniformity is influenced by the distribution of current density near the...
Micro-electroforming is a key step of terahertz all-metal devices microfabrication, in which metal-ion deposit uniformity determines the grating's quality.Meanwhile, the deposit uniformity is influenced by the distribution of current density near the...
2019,
31: 083201.
doi: 10.11884/HPLPB201931.190079
Abstract:
A machine learning based evaluation method for shielding effectiveness (SE) of loaded metallic enclosures with apertures under electromagnetic wave radiation is proposed.The SEs of a variety of metallic enclosures loaded with different printed circui...
A machine learning based evaluation method for shielding effectiveness (SE) of loaded metallic enclosures with apertures under electromagnetic wave radiation is proposed.The SEs of a variety of metallic enclosures loaded with different printed circui...
2019,
31: 083202.
doi: 10.11884/HPLPB201931.180378
Abstract:
An efficient field-to-line coupling method in the time-domain is developed based on the waveform relaxation (WR) techniques for evaluating the electromagnetic (EM) transient response of multiconductor transmission lines (MTLs) excited by an electroma...
An efficient field-to-line coupling method in the time-domain is developed based on the waveform relaxation (WR) techniques for evaluating the electromagnetic (EM) transient response of multiconductor transmission lines (MTLs) excited by an electroma...
2019,
31: 084101.
doi: 10.11884/HPLPB201931.180308
Abstract:
For diplexer with high isolation and wideband in wireless communication system, in this paper, the diplexer specification is divided into Tx and Rx filter specifications with a certain margin.Then the wideband Tx and Rx filter is designed by using th...
For diplexer with high isolation and wideband in wireless communication system, in this paper, the diplexer specification is divided into Tx and Rx filter specifications with a certain margin.Then the wideband Tx and Rx filter is designed by using th...
2019,
31: 084102.
doi: 10.11884/HPLPB201931.190059
Abstract:
In order to apply the complex physical model of millimeter-wave noise of nano-MOSFET to engineering design, the expression of its compact model is studied. The complex noise physical model is simplified by transforming and analyzing the two-port corr...
In order to apply the complex physical model of millimeter-wave noise of nano-MOSFET to engineering design, the expression of its compact model is studied. The complex noise physical model is simplified by transforming and analyzing the two-port corr...
2019,
31: 085001.
doi: 10.11884/HPLPB201931.190040
Abstract:
In this paper, a cascade high voltage microsecond pulse power supply with output voltage of 20 kV is developed. The voltage level of a single module is 500 V, which reduces the insulation withstand high voltage requirements of the device. The output ...
In this paper, a cascade high voltage microsecond pulse power supply with output voltage of 20 kV is developed. The voltage level of a single module is 500 V, which reduces the insulation withstand high voltage requirements of the device. The output ...
2019,
31: 085101.
doi: 10.11884/HPLPB201931.190033
Abstract:
In the simulation of the accelerator magnet support system, the parts connected to the ground by the magnet bracket are usually treated as “fixed”, but in some cases, this treatment will cause a large error between the simulation results and the meas...
In the simulation of the accelerator magnet support system, the parts connected to the ground by the magnet bracket are usually treated as “fixed”, but in some cases, this treatment will cause a large error between the simulation results and the meas...
2019,
31: 085102.
doi: 10.11884/HPLPB201931.190064
Abstract:
In the design phase of BEPCII, the impedance is limited in terms of beam instabilities and parasitic mode loss. However, the parasitic mode loss has been one of the unfavorable factors affecting high beam current operation of BEPCII. This paper descr...
In the design phase of BEPCII, the impedance is limited in terms of beam instabilities and parasitic mode loss. However, the parasitic mode loss has been one of the unfavorable factors affecting high beam current operation of BEPCII. This paper descr...
2019,
31: 085103.
doi: 10.11884/HPLPB201931.190041
Abstract:
A new beam loss monitor system based on embedded EPICS is developed for the top-off upgrade of HLS-Ⅱ, to monitor the position and value of beam loss of storage ring. The electron shower signals are obtained by the double PIN photodiode detectors arou...
A new beam loss monitor system based on embedded EPICS is developed for the top-off upgrade of HLS-Ⅱ, to monitor the position and value of beam loss of storage ring. The electron shower signals are obtained by the double PIN photodiode detectors arou...
2019,
31: 085104.
doi: 10.11884/HPLPB201931.190086
Abstract:
To improve the measurement accuracy of peak power meter of BEPCII linear accelerator, further reduce the response time of reflection protection alarm and provide real-time waveform detection means, the RF detector chip based on integrated circuit has...
To improve the measurement accuracy of peak power meter of BEPCII linear accelerator, further reduce the response time of reflection protection alarm and provide real-time waveform detection means, the RF detector chip based on integrated circuit has...
2019,
31: 085105.
doi: 10.11884/HPLPB201931.190078
Abstract:
Taking BEPCII superconducting RF (SRF) cavity as an example, this paper analyzes several common causes of the SRF cavity failure, including hardware failure of RF system, beam loss and mechanical failure of the tuner, by combining theoretical calcula...
Taking BEPCII superconducting RF (SRF) cavity as an example, this paper analyzes several common causes of the SRF cavity failure, including hardware failure of RF system, beam loss and mechanical failure of the tuner, by combining theoretical calcula...
2019,
31: 085106.
doi: 10.11884/HPLPB201931.190066
Abstract:
Aimed to prove the capture efficiency of ion source injected Interdigital H mode (IH) cavity, a short linac is under construction in Institute of Fluid Physics, CAEP. Protons could be accelerated from 0.04 MeV to 2.4 MeV with this linac. The cavity w...
Aimed to prove the capture efficiency of ion source injected Interdigital H mode (IH) cavity, a short linac is under construction in Institute of Fluid Physics, CAEP. Protons could be accelerated from 0.04 MeV to 2.4 MeV with this linac. The cavity w...
2019,
31: 086001.
doi: 10.11884/HPLPB201931.190050
Abstract:
China fusion engineering test reactor(CFETR) is a magnetic confinement fusion device designed, which used high current magnetic field in the superconducting coil to generate high intensity magnetic field, thus constraining the high-temperature plasma...
China fusion engineering test reactor(CFETR) is a magnetic confinement fusion device designed, which used high current magnetic field in the superconducting coil to generate high intensity magnetic field, thus constraining the high-temperature plasma...
2019,
31: 086002.
doi: 10.11884/HPLPB201931.180345
Abstract:
To investigate 4H-SiC detector’s resistance to gamma irradiation, the detector was irradiated by 60Co gamma-ray(about 4×105 Ci), and the maximum cumulative dose was 1 MGy. The detector’s I-V characteristics and its performance in detecting charged pa...
To investigate 4H-SiC detector’s resistance to gamma irradiation, the detector was irradiated by 60Co gamma-ray(about 4×105 Ci), and the maximum cumulative dose was 1 MGy. The detector’s I-V characteristics and its performance in detecting charged pa...
2019,
31: 1-3.
