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Pulse compression is an important signal processing technique in radar system. Based on field programmable gate array (FPGA), an improved method for implementing pulse compression is proposed to reduce the resource usage. As the FFT and IFFT transform are the main calculations of the pulse compression and take up many resources, single FFT IP core is used to realize two operations in the improved...
Radio Frequency Interference (RFI) suppression is an important technique in the ultra-wideband synthetic aperture radar (UWB SAR). In this paper, we mainly analyze the performance of a notch filter for RFI suppression. The theoretical output from notch filter is presented based on the properties of narrowband RFI. The results indicate that the notch filter has little effect on the resolution, but...
It is efficient to enlarge the radar bandwidth based on multi-band fusion. However, the former research on multi-band fusion did not take velocity into consideration. When the velocity is very high or pulse width is long, ignoring the impact of high speed the range resolution will deteriorate heavily. In this paper the authors develop a new method of forming high resolution range profile of fast moving...
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