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RSS2019 Vol. 31, No. 9
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2019,
31: 090000.
2019,
31: 091001.
doi: 10.11884/HPLPB201931.190012
Abstract:
For the problem of precision deficiency of the analysis model caused by nonlinear factors of the joint parts in the ϕ150 mm mirror, the equivalent linearized model and the model updating method were presented. First, the experimental modal parameters...
For the problem of precision deficiency of the analysis model caused by nonlinear factors of the joint parts in the ϕ150 mm mirror, the equivalent linearized model and the model updating method were presented. First, the experimental modal parameters...
2019,
31: 091002.
doi: 10.11884/HPLPB201931.190019
Abstract:
A high-power LED uniform light source with one large-size near-focus aspherical lens is designed based on the principles of geometric optics and non-imaging optics. First of all, the parameters of the aspherical lens are obtained according to the geo...
A high-power LED uniform light source with one large-size near-focus aspherical lens is designed based on the principles of geometric optics and non-imaging optics. First of all, the parameters of the aspherical lens are obtained according to the geo...
2019,
31: 091003.
doi: 10.11884/HPLPB201931.190046
Abstract:
Laue crystal monochromator are commonly used to monochromate high-energy X-rays (above 50 keV). Through bending the thin crystal, focused monochromatic beams could be obtained. However, twisted deformation would inevitably occur during bending crysta...
Laue crystal monochromator are commonly used to monochromate high-energy X-rays (above 50 keV). Through bending the thin crystal, focused monochromatic beams could be obtained. However, twisted deformation would inevitably occur during bending crysta...
2019,
31: 091004.
doi: 10.11884/HPLPB201931.190164
Abstract:
This paper researches on laser damage characteristics of Ⅱ-type DKDP crystals used for nonlinear frequency conversion of third harmonic under 355 nm laser with 35 ps, 850 ps and 7.6 ns pulse duration. The damage threshold, probability and the damage ...
This paper researches on laser damage characteristics of Ⅱ-type DKDP crystals used for nonlinear frequency conversion of third harmonic under 355 nm laser with 35 ps, 850 ps and 7.6 ns pulse duration. The damage threshold, probability and the damage ...
2019,
31: 091005.
doi: 10.11884/HPLPB201931.190042
Abstract:
We present and demonstrate a fiber-optic sensor based on single-ended detection that measures both temperature and refractive index. The cladding of the two microsphere-structured fibers is spliced together, and the end of the fiber is coated with an...
We present and demonstrate a fiber-optic sensor based on single-ended detection that measures both temperature and refractive index. The cladding of the two microsphere-structured fibers is spliced together, and the end of the fiber is coated with an...
2019,
31: 091006.
doi: 10.11884/HPLPB201931.190252
Abstract:
Accurate focus positioning of a laser beam is an important basis for improving laser engraving, cutting and welding accuracy, but the traditional methods are not fit for automatically finding high-power laser focuses. The plasma caused by laser ablat...
Accurate focus positioning of a laser beam is an important basis for improving laser engraving, cutting and welding accuracy, but the traditional methods are not fit for automatically finding high-power laser focuses. The plasma caused by laser ablat...
2019,
31: 093001.
doi: 10.11884/HPLPB201931.190084
Abstract:
In order to broaden the bandwidth of high power microwave radiation antenna, an X-band high power circularly polarized reflectarray antenna constructed by mechanically rotational helical elements is proposed and investigated. The array antenna is fed...
In order to broaden the bandwidth of high power microwave radiation antenna, an X-band high power circularly polarized reflectarray antenna constructed by mechanically rotational helical elements is proposed and investigated. The array antenna is fed...
2019,
31: 093002.
doi: 10.11884/HPLPB201931.190077
Abstract:
According to the miniaturization and high performance, the characteristic of a second-order bandpass filter (BPF) with in-line ports based on dual-mode square-shaped resonator is researched, and higher-order BPFs with in-line ports using single-mode ...
According to the miniaturization and high performance, the characteristic of a second-order bandpass filter (BPF) with in-line ports based on dual-mode square-shaped resonator is researched, and higher-order BPFs with in-line ports using single-mode ...
2019,
31: 093201.
doi: 10.11884/HPLPB201931.190161
Abstract:
The failure mechanism of Xilinx's FPGA chip XC7A200T-2FBG676 under RF interference is studied. When RF interference injects into the power supply pins of the FPGA core, it is found that with the increase of interference intensity at the some frequenc...
The failure mechanism of Xilinx's FPGA chip XC7A200T-2FBG676 under RF interference is studied. When RF interference injects into the power supply pins of the FPGA core, it is found that with the increase of interference intensity at the some frequenc...
2019,
31: 093202.
doi: 10.11884/HPLPB201931.190133
Abstract:
Infrared target tracking is heavily influenced by illumination variation, small size and complex background, and the lack of target information makes the algorithm lose targets easily. Therefore, an algorithm based on convolution features and feature...
Infrared target tracking is heavily influenced by illumination variation, small size and complex background, and the lack of target information makes the algorithm lose targets easily. Therefore, an algorithm based on convolution features and feature...
2019,
31: 093203.
doi: 10.11884/HPLPB201931.180388
Abstract:
A large number of various radar signals in modern warfare make the electromagnetic environment more and more complex. It is urgent to quickly and accurately obtain the category information of the target track from a large number of radar data, and pr...
A large number of various radar signals in modern warfare make the electromagnetic environment more and more complex. It is urgent to quickly and accurately obtain the category information of the target track from a large number of radar data, and pr...
2019,
31: 093204.
doi: 10.11884/HPLPB201931.190052
Abstract:
Aiming at the problem that there is no unified understanding about the current electromagnetic situational cognition, this paper takes the radar confrontation situation in the electromagnetic situation as the research object, proposes the concept of ...
Aiming at the problem that there is no unified understanding about the current electromagnetic situational cognition, this paper takes the radar confrontation situation in the electromagnetic situation as the research object, proposes the concept of ...
2019,
31: 093205.
doi: 10.11884/HPLPB201931.190159
Abstract:
To evaluate the threat of high-altitude electromagnetic pulse HEMP environment on a shortwave receiving antenna system, pulsed current injection tests for the front-end equipments near the antenna, including some commercial surge protection devices, ...
To evaluate the threat of high-altitude electromagnetic pulse HEMP environment on a shortwave receiving antenna system, pulsed current injection tests for the front-end equipments near the antenna, including some commercial surge protection devices, ...
2019,
31: 093206.
doi: 10.11884/HPLPB201931.190134
Abstract:
A mathematical method is proposed to calculate the field distribution theoretically of folded half mode substrate integrated waveguide(FHMSIW) for the first time. The phase constant is also given using an improved multi-line method, verifying its equ...
A mathematical method is proposed to calculate the field distribution theoretically of folded half mode substrate integrated waveguide(FHMSIW) for the first time. The phase constant is also given using an improved multi-line method, verifying its equ...
2019,
31: 095001.
doi: 10.11884/HPLPB201931.190152
Abstract:
In this paper, a high voltage and high frequency pulse generator based on metal oxide semiconductor field effect transistor (MOSFET) switch is designed. Several series MOSFETs triggered by optical fiber signal isolation are used as high voltage switc...
In this paper, a high voltage and high frequency pulse generator based on metal oxide semiconductor field effect transistor (MOSFET) switch is designed. Several series MOSFETs triggered by optical fiber signal isolation are used as high voltage switc...
2019,
31: 095101.
doi: 10.11884/HPLPB201931.190072
Abstract:
A beam orbit stability of 0.1 μm is required by the High Energy Photon Source (HEPS). As an important system of the storage ring, the beam position monitors (BPMs), together with the measured data, play an important role in the beam orbit monitoring ...
A beam orbit stability of 0.1 μm is required by the High Energy Photon Source (HEPS). As an important system of the storage ring, the beam position monitors (BPMs), together with the measured data, play an important role in the beam orbit monitoring ...
2019,
31: 096001.
doi: 10.11884/HPLPB201931.190023
Abstract:
In order to reflect the behavior of the nuclear materials in the operating reactor veritably and roundly, and to supply reliable data for the safety review of the nuclear materials, the most effective solution is building a fuel test loop (FTL) based...
In order to reflect the behavior of the nuclear materials in the operating reactor veritably and roundly, and to supply reliable data for the safety review of the nuclear materials, the most effective solution is building a fuel test loop (FTL) based...
2019,
31: 096002.
doi: 10.11884/HPLPB201931.190080
Abstract:
As a part of the reflectometer in China Spallation Neutron Source (CSNS), data acquisition system (DAQ) of 3He tubes detector should not only have basic functions of data readout and processing, but also coordinate the whole operation of spectrometer...
As a part of the reflectometer in China Spallation Neutron Source (CSNS), data acquisition system (DAQ) of 3He tubes detector should not only have basic functions of data readout and processing, but also coordinate the whole operation of spectrometer...
2019,
31: 096003.
doi: 10.11884/HPLPB201931.190016
Abstract:
A high-performance real-time control system is designed for magnet power supply in tokomak, which is based on LabVIEW RT and field programmable gate array (FPGA) techniques. According to the real-time control requirements of the magnetic power supply...
A high-performance real-time control system is designed for magnet power supply in tokomak, which is based on LabVIEW RT and field programmable gate array (FPGA) techniques. According to the real-time control requirements of the magnetic power supply...
