短語詞組短語differentially coherent data demodulation 差分相乾解調non -coherent de-spreading and demodulation 非相乾解擴解調differentially coherent demodulation 差分相乾解調digital coherent demodulation 數字相乾解調coherent demodulation jamming 相乾解調乾擾MSK coherent demodulation MSK 相乾解調coherent modulation -demodulation systems 相乾調制解調 返回 coherent demodulation