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Description: oqpsk信号，滚降系数分别为0.4，0.7，1.0.信噪比为20bB-OQPSK signal, roll-off coefficients were 0.4,0.7,1.0. 20bB SNR
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Size: 2048 |
Author: double 吉 |
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Description:
本函数为理想OQPSK解调系统 详细的注解- function y = demodulationBPSK(LN,L,W,SNR)
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Size: 2048 |
Author: hyolee |
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Description: This article contains analyses of the performance of various carrier synchronization
loops for offset quadrature phase-shift-keying (OQPSK) modulation, all
motivated in one form or another by the maximum a posteriori (MAP) estimation
of carrier phase. When they are implemented as either high or low signal-to-noise
ratio (SNR) approximations to the generic implementation suggested by the MAP
estimation of carrier phase for an OQPSK signal, it is shown that the loops behave
more like biphase than quadriphase loops in that they only exhibit a 180-deg phase
ambiguity rather than the 90-deg phase ambiguity typical of the latter.
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Size: 450560 |
Author: Alexandr |
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