脉码调制

增量调制（ΔM）与脉码调制（PCM）兼用的数字电话模拟交换网具有灵活、经济及满意的质量等特点，适用于工业通信系统及其它类似场合。

A telephone network consisting of both △ M and PCM digital coding channels and analog switching is advantageous in flexibility and economization , also it has satisfactory quality , so it is suitable for applications in industrial communication systems and other similar fields .

本文将△调制与脉码调制进行了对比，讨论了信息率，并指出提高信息率的主要方向是解除信号前后的相关性；

In this paper the information transmitting rate of delta-modulation (△ M ) system is discussed and compared with PCM system .

MAGENTA的差分密码分析非线性脉码调制技术及应用

Non-Linear Pulse Code Modulation Technology and It 's Application

高速脉码调制OEIC光发送机驱动电路的设计

The Design of OEIC Transmitter for High Speed Pulse Code Modulation

流体脉码调制（PCM）与脉宽调制（PWM）数字控制技术，因具有结构简单、工作可靠和抗干扰能力强等优点，已成为计算机直接控制液压或气压系统的重要选择方式。

Fluid pulse code modulation ( PCM ) and pulse-width modulation ( PWM ), owing to their structural simplicity , operational reliability and strong anti-interference capability , have become a choice of priority in the direct control of hydraulic or pneumatic pressure systems by computers .

介绍了广义脉码调制（GPCM）控制理论，结合具体应用情况，阐述了几种GPCM控制阀典型应用的控制回路。

The basis theory of generalized pulse code modulation ( GPCM ) was described , and several typical application circuits with GPCM control were presented .

本文从编码的概念和基本理论出发，论述了自适应差值脉码调制（ADPCM）编码的算法，重点介绍了自适应量化和自适应预测算法。介绍这一系统的原理、构造及操作。

This article mainly describes the concept and principle of encoding in the first and second chapters . The third chapter mainly describes Adaptive Differential Pulse Code Modulation ( ADPCM ) algorithm , adaptive quantizing and adaptive predicting algorithm .

脉码调制遥测技术系统脉冲码调制传输测试仪

PCMTS ( Pulse Code Modulation Telemetry System ) PCM transmission tester

广义脉码调制液压位置控制系统的建模与仿真研究

Research on Modeling and Simulation for Hydraulic Position System with Generalized Pulse Code Modulation Control

在脉码调制技术中，通过时分多路器而组合在一起的一种信道基本群。

In pulse code modulation , a basic group of channels assembled by time division multiplexing .

利用相对便宜的无线模块，采用脉码调制的方法进行短距离无线传送。

The author successfully realizes the transmission in the short distance through PCM with the cheap wireless module .

结果表明，该方法能克服脉码调制液压伺服系统中控制精度与控制范围，稳定性与快速性之间的矛盾。

The simulation result shows that the method can reduce contradictions between control accuracy and scope , and between stability and fast-speed characteristic .

本文论述利用语音的波形编码技术中自适应差分脉码调制.将8位码的语音数据区缩成四位数据的方法和程序。

This paper introduces the way and programme of compressing a speech ADPCM code from 8 bit to 4 bit , by the technology of adaptive differential pulse modulation in speech waveform coding .