signal coding

The practice of high-efficiency source compression coding is the basis of the transmission of HDTV signal.

高清晰度电视(HDTV)信号传输的基础是高效信源压缩编码技术的实用化.

Over the years, it has been the goal that compressing the transmission bandwidth of speech signal or reducing the transmission rate of telephone channel. In achieving this target, speech compression coding technology plays an important role.

多年来，人们一直追求的目标就是压缩语音信号的传输带宽或降低电话信道的传输码率，而在实现这一目标中，语音压缩编码技术发挥着重要作用。

Simulation results show that the concatenated system has better performance than unconcatenated differential space time coding under the same spectral efficiency and signal constellation.

仿真结果表明，在相同的频谱有效性和信号星座条件下，这种级连的系统比非级连差分空时编码系统有更好的性能。

The high speed moving target imaging method of phase coding signal is studied.

研究了相位编码信号的高速运动目标成像方法。

DTMF coding circuit completes DTMF's coding and decoding and signal sound detection.

DTMF编解码电路完成多音双频信号的编码、解码与信号音检测；

By using the multi-tread technology, parallel handling of these modellings are implemented including virtual CPU emulating, signal sampling, graphic coding and signal output and the control of thread synchronization with object lock.

系统采用多线程技术实现虚拟计算机的仿真运行、信号检测、信号图形化编码及信号输出4个功能模块的并行操作功能，采用加锁技术实现多线程运行的同步控制；

High-efficiency coding for PAL Color television signal

PAL彩色电视信号的高效编码

IJF coding refers to converting digital baseband signal into Intersymbol Interference and Jitter Free baseband signal.

IJF编码是将数字基带信号变换成无符号间干扰和抖动的基带波形信号。

This paper introduced a communication signal process system based on Matlab. The system consists of the input and spectral analysis module, filter module, coding and decoding module and communication simulating module.

介绍了一个采用Matlab程序设计语言完成的通信信号处理系统，该系统主要由信号的输入及频谱分析模块、滤波器模块、编解码模块以及通信仿真模块组成。

By computer simulation with convolution sum of FIR digital filter, the results show that the model is the same as traditional binary coding arithmetic, which can be used in chaotic signal processing systems. operation of the genetic algorithm;

最后通过FIR数字滤波器卷积操作的计算机数值仿真，结果表明采用这些方法运算得到的结果与传统二进制算术编码算法完全等效，可应用于混沌信号处理系统。