A laser fuze signal processing circuit and signal processing method thereof
A signal processing circuit and laser fuze technology, which is applied in fuzes, electric fuzes, weapon accessories, etc., can solve the problem that it is difficult to meet the requirements of laser fuze use, the circuit area is large, the signal processing method is difficult, and the performance and circuit area can meet the requirements of laser fuze use And other issues
Inactive Publication Date: 2016-06-15
SHANGHAI RADIO EQUIP RES INST
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Problems solved by technology
In order to process six-channel signals at the same time in this implementation, it is necessary to repeatedly use PIN diode switches and analog-to-digital conversion chips. The circuit area is large, and it is difficult to meet the requirements of the laser fuze.
[0007] Through the above analysis, it can be seen that the traditional signal processing method is difficult to meet the requirements of the laser fuze in terms of performance and circuit area.
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[0039] based on the following Figure 1 to Figure 4 , specifically describe the preferred embodiment of the present invention.
[0040] like figure 1 As shown, the present invention provides a laser fuze signal processing circuit, which circuit includes an FPGA (Field Programmable Gate Array, Field Programmable Gate Array) circuit 101, a shaping circuit 102 electrically connected to the FPGA circuit 101, and electrically connected to the FPGA circuit 101 of digital signal processor 103 .
[0041] The FPGA circuit 101 includes an I / O port (input and output interface) circuit 1011 electrically connected to the output end of the shaping circuit 102, a global clock network 1012 electrically connected to the I / O port circuit 1011, and an electrically connected I / O port 1011 and the timing processing circuit 1013 of the global clock network 1012, and the logic processing circuit 1014 electrically connected to the output end of the timing processing circuit 1013, the logic processi...
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A laser fuze signal processing circuit and a laser fuze signal processing method. The laser fuze signal processing circuit comprises an FPGA circuit with an I / O circuit, a global clock network, a timing sequence processing circuit and a logical processing circuit being integrated thereon. By means of the FPGA circuit for achieving functions of high-speed time sampling, wave gate matching and logical processing for replacing a conventional high-speed sampling circuit, a conventional timing sequence processing circuit and a conventional logical processing circuit, a total area of the circuit is less than [phi]-127mm. The circuit and the method solve a problem that a conventional signal processing method is difficult to achieve requirements of a small area and a high performance of in small-size high-performance laser fuze signal processing circuit.
Description
technical field [0001] The invention relates to the field of laser fuze signal processing, in particular to a laser fuze signal processing circuit and a signal processing method thereof. Background technique [0002] The laser fuze is a new type of fuze that uses laser beams to detect or perceive targets, and analyzes the echo signals reflected by the targets to determine the optimal detonation time of the warhead. In order to improve the operating distance and meet the requirements of omnidirectional detection, the laser fuze uses four or more detection channels, which requires its signal processing circuit to have multi-channel signal processing capabilities; in order to improve the anti-interference performance, the laser fuze adopts narrow pulse emission technology It is required to accurately measure the delay of the reflected echo signal relative to the transmitted pulse signal (hereinafter referred to as the echo delay) and the pulse width of the reflected echo signal...
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IPC IPC(8): F42C11/06
Inventor 王荣刘锡民
Owner SHANGHAI RADIO EQUIP RES INST