Superspeed sampling rate acquisition apparatus and method
A technology of acquisition device and acquisition method, which is applied in signal transmission systems, instruments, electrical components, etc., can solve the problems of narrow acquisition bandwidth and frequency, and achieve the effects of fast response, reduced volume, and increased instantaneous bandwidth
Active Publication Date: 2014-07-23
北京华清瑞达科技有限公司
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[0004] Aiming at the defects in the above-mentioned prior art, the present invention proposes an ultra-high-speed sampling rate acquisition device and method, which solves the problem of narrow acquisition bandwidth and frequency in the prior art
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[0016] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0017] like figure 1 As shown, the ultra-high-speed sampling rate acquisition device of the present invention includes: the FPGA 101 of the preset radar signal processing unit 1011, and also includes: a sample-and-hold circuit 102, a switch filter bank 103, an analog / digital converter 104 (ie ADC), The FPGA101 further includes: a filter scanning unit 1012, the output of the sample and hold circuit 102 is connected to the input of the switching filter bank 103, the switching filter bank 103 is connected to the filtering scanning unit 1012 of the FPGA101, and the output of the switching filter bank 103 is connected to the analog / digital The input of the converter 104 is connected, and the output of the analog / digital converter 104 is connected to the input end of the radar signal processing unit 1011 of the FPGA 101; the sample and hold circuit 102 receives the...
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The invention discloses a superspeed sampling rate acquisition apparatus and method. The apparatus comprises an FPGA pre-equipped with a radar signal processing unit, a sampling holding circuit, a switch filter set, and an ADC, wherein the FPGA comprises a filtering scanning unit, output of the sampling holding circuit is connected with input of the switch filter set, the switch filter set is connected with the filtering scanning unit of the FPGA, output of the switch filter set is connected with input of the ADC, and output of the ADC is connected with an input end of the radar signal processing unit of the FPGA. The superspeed sampling rate acquisition apparatus is capable of enabling acquisition signals and analysis signals to be simple in processing flow and quick in response; eliminating plenty of microwave devices, such as frequency sources and frequency mixers, and reducing the size of electronic reconnaissance equipment; and making the instantaneous bandwidth of signals receivable by the apparatus be increased, and performing acquisition and analysis of space signals flexibly and conveniently.
Description
technical field [0001] The invention relates to the field of electronic countermeasures technology and radar signal processing, and in particular to an ultra-high-speed sampling rate acquisition device and method. Background technique [0002] In order to adapt to the increasingly dense and complex electromagnetic signal environment, the electronic reconnaissance system has been developed from simple electronic reconnaissance equipment that was manually controlled in the early days to a computer-controlled system with rapid response capabilities that can automatically intercept, identify, analyze, locate and record. Functional electronic reconnaissance system. Its technical development trend is mainly to further improve the electronic reconnaissance system's information processing and analysis capabilities for dense and complex signals, as well as its adaptability to the signal environment; to further develop a fast-response, flexible integrated multi-functional system; to e...
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IPC IPC(8): H03M1/54
Inventor 孙亚光宋兵兵郭伟尚善学
Owner 北京华清瑞达科技有限公司