SAR real time imaging processing device based on GPU
A technology for real-time imaging and processing equipment, applied in the reflection/re-radiation of radio waves, instruments, measurement devices, etc. Good real-time effect
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[0024] figure 1 It is a schematic diagram of the equipment of the present invention, mainly including a SAR raw data acquisition module, a server, a disk array, and a GPU-based real-time imaging module. The SAR raw data acquisition module converts the high-speed serial code stream of ECL level into the low-speed parallel code stream of ECL level, and then converts it into LVTTL level code stream and sends it to FPGA; stores the data in FPGA into the cache, Utilize PLX9656PCI bridge chip, under the control of FPGA, upload the cached data to the server through PCI bus. After receiving the data, the server sends the data to the disk array for real-time recording, calculates parameters such as Doppler center frequency and modulation frequency, and then sends the calculated parameters together with the received data to the GPU-based real-time imaging module for real-time recording. CS real-time imaging processing. The processed imaging data is sent to the server for real-time dis...
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