Dynamic target signal simulation method in transparent mode
A dynamic target and transparent mode technology, applied in the direction of radio wave reflection/re-radiation, utilization of re-radiation, measuring devices, etc., to achieve the effect of simplicity, complete functions and simple operation
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[0016] The present invention is further illustrated below by way of examples. In the following examples, according to figure 1 For the timing diagram of storage read and write control, in the programmable gate array chip FPGA external memory group M, the intermediate frequency signal received by the dynamic target signal simulator in transparent mode is directly stored after passing through the analog-to-digital converter (A / D). The delay is performed in the memory bank M as a range delay with a clock f with the corresponding Doppler frequency R Read out the data in the memory bank M, and output it through the digital-to-analog converter (D / A), and carry out distance speed simulation;
[0017] The monitoring and processing computer inputs orbit parameters, and the DSP calculates the time delay and amplitude attenuation value according to the distance in the monitoring and processing computer input orbit parameters, and performs target distance simulation;
[0018] DSP calcul...
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