1.
Iterative differential detection forπ/4-DQPSK signals
π/4-DQPSK信号的迭代差分检测
2.
Decision Feedback Differential Detection of π/4-DQPSK
π/4-DQPSK信号的判决反馈差分检测
3.
Research and Implementation of π/4-DQPSK and GMSK Modulator Based on DSP;
基于DSP的π/4-DQPSK和GMSK调制器实现研究
4.
Research and simulation on π/4 DQPSK demodulation algorithm
π/4 DQPSK解调算法的研究与仿真
5.
The Implementation of Digital Processing Module in π/4-DQPSK Radio in DSP;
π/4-DQPSK数传电台数字处理模块在DSP中的实现
6.
Symbol Synchronization Realization of DQPSK Telemetry Signal Based on FPGA
基于FPGA的DQPSK遥测信号解调码同步的设计与实现
7.
Design & Simulation of DQPSK System for Digital Carrier Communication;
数字载波通信中DQPSK系统的电路设计与仿真
8.
The Theoretical Study of Differential Quadrature Phase-Shift Key in High-speed Optical Fiber Communications
高速光纤通信系统中DQPSK调制格式的理论研究
9.
Study on DQPSK Demodulator Algorithm in Direct Sequence Spread Spectrum Communication System
直扩通信系统中DQPSK解调算法的改进研究
10.
π/4-QPSK Figure Modulate and Demodulation of the Receiver
π/4-QPSK全数字调制解调机
11.
Study on the Role of 4-1BB and CD40 Signals in Regulation of TLR4 Expression;
4-1BB和CD40信号对TLR4表达调节的研究
12.
Progression of Toll-like receptor 4 signaling transduction
Toll样受体4信号转导研究进展
13.
Options of Signaling System for the Extension Project of Beijing Subway Line 4
北京地铁4号线延伸信号系统方案分析
14.
Analysis of Interface between Vehicle and Signal of Guangzhou Metro Line 4
广州地铁4号线列车车辆与信号接口分析
15.
4. Noise margin: The term noise refers to any undesirable signal that is superimposed on a generated signal.
4．噪声极限：噪声这个概念指任何正常信号之外不需要的信号。
16.
Studies on Key Signal Events and Relationship in T. Cuspidata Undergoing Apoptosis Induced by Ce～(4+);
Ce～（4+）诱导红豆杉细胞凋亡的关键信号事件及信号层次的研究
17.
Press 6-2-4-Enter, and a signal will activate the bomb.
输入6-2-4-回车 就能发送启动炸弹的信号
18.
We have amend l.c. no39448 dated Mar 4/89 as instruct.
我们已指示将89年3月4日39448号信用证正改。