QPSK is a kind of modulation and demodulation scheme which is very common in communication domain.The algorithm has an advantages in anti-interference performance,and the band utilization rate is high,thus becoming the mainstream of the demodulation algorithm.What's more,the algorithm is simple for hardware implementation,therefore,it has been widely applied in the mobile,microwave,satellite communication,as well as cable TV,and other fields.As our country supports for integrated circuit's development vigor...
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