数字信号传输

随着集成电路（IC）高集成化、高密度化的发展，以及数字信号传输高频化和高速化的发展，要求PCB向着小型化、轻便化方向发展。

The developments of integrated circuit ( IC ) of high integration and high density , and digital signal transmission of high frequency and high speed require PCB along the development direction of smaller and lighter .

系统的硬件电路包括CCD信号采集电路、CPLD和PIC单片机电路、信号调理电路、高速A/D采样转换电路、DMA电路、存储电路、数字信号传输电路等。

The hardware circuit includes CCD signal acquisition circuit , CPLD and PIC microcontrollers , signal processing circuits , high-speed A / D converter sampling circuit , DMA circuit , memory circuit and digital signal transmission circuit .

论文在阐述可编程逻辑器件及其发展趋势的基础上，探讨了知识产权复用理念，MCU的复杂化设计以及数字信号传输与处理的速度要求。

Base on expounding PLC and its developing trend , it investigates IP Reuse methodology , complex MCU design and the requirement of the transfers and dealing speed of digital signal .

系统压力或差压变送器信号输出采用HART现场总线协议，数字信号传输通过RS485进行MODBUS通讯。

HART field-bus protocol is used in output of system pressure or differential pressure transmitter , digital signals is transmitted with MODBUS via RS485 .

为探讨传输环境的影响，对现有用户信道中存在的噪声和它对数字信号传输的影响进行了分析，定量分析了脉冲噪声对HDSL技术的应用可能造成的影响；

To discuss the influence of transmission environment , the noise of the present subscribe channel and its influence on digital signal transmission are analyzed .

为提高串行数字信号传输的可靠性，与实际信息一起发送并接收循环冗余码（CRC）以对信号传输成功与否作出判断，是常用的手段。

Cyclic Redundancy Code ( CRC ), which is sent and received together with actual message to judge if message is transfered correctly , is a common way to improve the reliability of serial transfer of digital signals .

在数字信号传输系统中，正交复用QAM（OMQAM）是目前最有效的一种抗信道失真传输技术，但它对系统的定时偏移和载波相位误差非常敏感。

In digital signal transmission systems , orthogonally multiplexed QAM system ( OMQAM ) is the most efficient transmission technique at present for non ideal channel , yet the problem is that this technique is quite sensitive to the timing and carrier phase deviation in the system .

提高高速数字信号传输质量的有效方法

An Effective Way to Improve the High Speed Digital Signal Transmission

光电耦合器件在中高频数字信号传输中应用

The Application of Opto - coupled Isolator for Digital Signal Transfer

基于间歇耦合和广义混沌同步的数字信号传输方案

Digital communication based on occasional coupling and generalized chaotic synchronization

磁航向传感器两线制数字信号传输的研究

Research on the Transmission of Two-wire Operation Digital Signal of Magnetic Heading Sensor

参数调节随机共振与二进制基带数字信号传输

Parameter-induced Stochastic Resonance and Binary Baseband Digital Signal Transmission

时域有限差分法分析数字信号传输线的耦合

Analyzing the Coupling Characteristic in Transmission Lines for Digital Signals Using the FD-TD Method

在现代通信系统中，使用数字信号传输的优势越来越明显。

Modern Communication System has been switched from analog signals transmission to digital signals transmission .

并根据矿井的实际情况，提出了独创的以无线数字信号传输作为提升机钢丝绳张力信号传输的解决方案。

In the situations of coal mine , it is presented to transmit signal by way of Wireless digital transmission .

研究表明，电气化铁路隧道是语音和低速数字信号传输的有效信道。

It is shown that an electrified railway tunnel is an effective channel for transmission of language and slow digital signals .

随着对数据容量要求的不断提高，数字信号传输速度的也不断提高来迎合时代的发展。

With the continuous improvement in data capacity requirements , digital signal transmission speed is also rising to meet the development of the times .

将语音合成技术应用于居住小区信息发布系统，采用数字信号传输语音。

The technique of speech synthesis is used in the information announcement system of residential quarters , and the voice is transferred by digital signal .

很幸运，我所在的高中拥有专门的计算机课程，去年他们开设了一门新的关于数字信号传输的课程。

My high school was lucky enough to have a computer science department and last year there was a new course on digital signal processing .

当前较常见的是单独借用某一种线路进行数字信号传输，而利用单片机技术综合运用多介质进行数据传输尚不多见。

It is common to utilize some line in digital signal transmission but less common to utilize single chip computer technology and multimedia comprehensively in data transmission .

本文首先简要介绍了通常采用的数字信号传输方法，说明了采用两线制传输的必要性，并提出一种新颖的设计方法。

The normal method of digital signal transmission is first briefly introduced and the necessity of two-wire operation transmission is explained and puts forward a novel design method .

在正确选择编码方式后，波特率设置为大于数字信号传输速率，可保证语音通信质量。

When the right coding mode is chosen , baud rate should be set more than digital signals transmission velocity , and the speech communication quality can be guaranteed .

针对数字信号传输同步接收机的数字化实现，提出了一种载波同步新算法即相位处理载波恢复法。

A new carrier synchronization algorithm , that is carrier recovery strategy , is proposed for all digital receivers that is all digital implementation of receivers for synchronous digital data transmission .

在应用市内通信电缆进行数字信号传输时，系统最大限度的利用很大程度上取决于电缆的串音特性。

When telecommunication cable is used for the purpose of digital signal transmission , the maximized application of the system very much depends on the cross talk characteristics of the cable .

基于DVI接口的数字视频信号传输技术研究

The Research on the Transmission Technology of Digital Video Signal Based on DVI

对于TDD-CDMA移动通信系统，扩频编码和纠错编码是不可或缺的关键技术，扩频码的性质对CDMA系统的抗干扰性能起着决定性的作用，而纠错编码则为数字信号的传输提供额外的保护。

For TDD-CDMA system , spreading codes and error correcting codes play very important role , where the correlation properties of spreading codes is essential for reducing various interference , and error correcting codes offer extra protection for digital signal transmission .

数字信号的传输是数据通信的关键。

The key of data communication is transmission of digital signal .

它主要应用于数字信号的传输和存储中。

It is mainly used on digital signal transmission and storage .

雷达数字信号光纤传输系统发射模块的设计

Design of radar digital signal optical fiber transmission system 's transmitter module

数字信号寄生传输技术研究

Parasitical Transmission of Digital Signal in Remote Auto Test System