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Resolution function of nonsinusoidal radar signals. II. Range-velocity resolution with pulse compression techniques

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1 Author(s)
Mohamed, N.J. ; Dept. of Electr. & Comput. Eng., Kuwait Univ., Safat, Kuwait

For pt.I see ibid., vol.32, no.2, p.153-60 (May 1990). The thumbtack range-velocity resolution function of nonsinusoidal radar signals has been realised with signals having a large number of characters with triangular correlation functions. In reality, a radar signal rarely consists of one pulse; rather, it consists of thousands of pulses structured by various coding techniques. Pulse compression is a technique for obtaining high range resolution with long coded signals. The thumbtack range-velocity resolution function based on the pulse compression principle is realized by coding the transmitted signal using complementary codes. Increasing the code length will increase the pulse compression ratio and the time-sidelobe-free region, Doppler processing of correlation functions based on the pulse compression technique can realize the thumbtack range-velocity resolution function. The range-velocity resolution function is obtained by computer simulation and represented by a three-dimensional surface as a function of target range and velocity for signals with a different number of characters. Plots of range-velocity resolution functions for characters with different code lengths are presented

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Electromagnetic Compatibility, IEEE Transactions on  (Volume:33 ,  Issue: 1 )