In the light of this limitation, an algorithm for extracting minutiae based on differentialcode is proposed.
针对这一缺陷，本文提出了一种基于差分码的细节特征点提取方法。
2
Differential Manchester code is fit for TWACS according to the speciality of modulation signal.
由于其调制信号的特殊性，很适合差分曼彻斯特编码。
3
Differential unitary space-time code(DUSTC) keeps good performance in rapidly fading channels when neither the transmitter nor the receiver knows the channel state information.