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研究了数字图像无线传输中基带信号处理的关键技术, 根据DSP的特点优化了π/4-DQPSK调制、解调的算法,对基带差分解调进行了计算机仿真,并提出了用DSP芯片实现π/4-DQPSK调制解调的硬件解决方案。
The key technologies of baseband signal processing in wireless transmission of digital image are studied. The π / 4-DQPSK modulation and demodulation algorithm is optimized according to the characteristics of DSP, and the differential demodulation of baseband is simulated by computer. / 4-DQPSK modulation and demodulation hardware solution.