| 释义 |
DPSK
基本例句
n.微分相移键控法¹⁰⁰
With the proposed model, channel properties with signal modulated by FSK,DPSK, QPSK and 8PSK are investigated.给出了基于非线性拟合方法的转移概率表达式。
DPSK), since the phase reference of the previous symbolpartially decorrelates over a symbol time.多普勒效应则使频谱变宽，引起相邻频道之间的干扰用户速率合理时会很小，误码使相移编码信号如相移键控难以恢复，因为前面相位相关的信号在经过一个符号时间的时候会有部分变得不相关。
The coding can achieve the success ofDPSKencoding, you can successfully call other procedures.该编码可以成功的实现dpsk的编码，可以成功为其他的程序所调用。
Finally, Its feasibility is analyzed by simulating the A/D, DUC/DDC,DPSKsignal's coherent demodulation and carrier synchronization.最后通过对 A/D、数字上/下变频、DPSK信号的相干解调及载波同步等算法的仿真分析,验证了各模块的参数设计及系统可行性。
The thesis especially studied and discussed PSK andDPSKtechnology.When signals are transferred noise will disturb them.对PSK绝对相移键控和DPSK相对差分相移键控作了比较深入的研究和探讨。
With the LFM pulse frame synchronization method, the performance of UWA communication system based onDPSKis apparently improved.同时运用线性调频脉冲帧同步法，改善了基于差分相移键控的水声数字通信系统的性能。 |