数字微波

早期的数字微波传输设备没有网络接口，无法连接到Internet进行网络管理。

Since early digital microwave transmission devices lack network interfaces , it cannot carry on network management by connecting to the Internet .

宜宁数字微波SDH边带原理及其应用

SDH sideband principle and application in Yichang-Nanjing digital microwave backbone lines

SDH数字微波通信的关键技术及其应用

The Key Technologies and Application of SDH Digital Microwave Communication

宜宁SDH数字微波系统运行及故障处理

Operating and fault treating of Yining SDH digital microwave system

SDH数字微波系统中的编码调制技术

Coded Modulation Schemes in SDH Digital Radio

SDH数字微波技术的特点

Features of SDH Digital Microwave Engineering

SDH数字微波网管系统

SDH Digital Microwave Network Management System

点对多点数字微波通信系统间的机助电磁兼容（EMC）分析模型

The Model of Computer-Aided Electromagnetic Compatibility Analysis Among Point - to - Multipoint Digital Microwave Communication Systems

带有分数抽头判决反馈均衡器的简化VA在大容量数字微波中的应用

Application of Simplified VA with Fractionally Spaced DFE in High Capacity Microwave Digital Radio

本文论述了数字微波应用于SDH网的一些问题以及SDH数字微波通信系统的关键技术。

This Paper Presentes some aspects of radio relay system used in SDH based networks and its key techniques .

多电平QAM数字微波系统中的导频插入载波恢复法性能分析

Performance of a Pilot Carrier Injection Method for MQAM Digital Microwave Radios

多路E1扩频数字微波通信系统的研究与实现

The Study and Realization of Spread Spectrum Digital Microwave Communication System for Multi-route E1

SDH数字微波网管系统同SDH先传输网管系统、PSTN网管系统、DDN网管系统一样，是电信管理网（TMN）的一部分。

SDH digital microwave network management system is a part of Telecom Management Network .

本文简要介绍了SDH数字微波传输系统中采用的几项关键技术：高性能高速多状态调制解调技术；

In this paper , we 'll talk about some key technologies in microwave SDH : multi-level coding modulation ;

浅析PDH与SDH数字微波传输系统

The Discussion about PDH & SDH Digital Microwave Transmission System

相位噪声对QAM数字微波通信系统误码率的影响

The Effects of Phase Noise on BER of QAM Digital Microwave Communication System

但是在数字微波中的CPM接收机的复杂程度比较高，不利于实现与成本的降低。

But the CPM receiver in digital microwave system is quite complex and hard or expensive to implement .

数字微波通信在多径衰落下的自适应判决反馈均衡与VA判决的模拟

Computer Simulation of the Adaptive Decision Feedback Equalization and VA Decision on Multipath Transmission Channel in Digital Microwave Communication

因此连续相位调制（CPM）方式作为一种高频带利用率的调制方式十分适合应用在数字微波中设计的高速通信系统。

The Continuous Phase Modulation ( CPM ) is suitable in digital microwave communication with the high spectral efficiency .

文章针对SAT数字微波设备改频设备，从总体设计、设备组成、系统技术指标及各模块技术实现方法等方面进行了详细的论述；

The article discusses the equipment that used to shift the frequency range , its system composing , technical specification and realizing way of each module are discussed in detail .

结合NokiaDB2系列智能接入设备的功能特点和实际，提出了几种改造现有PDH数字微波电路的实施方案。

Based on the Nokia Series Access Equipment , several projects to reform the system are proposed .

16-QAM数字微波系统判决反馈均衡器的改进和性能分析

Analysis of Decision Feedback Equalizer for 16-QAM Digital Microwave System and Some Modifications

通过实例分析数字微波PCM时钟同步方式对传输继电保护信号的影响，以确保通信通道安全可靠地传输电网保护信号。

Through some examples , the paper analysised the influence of digital PCM clock synchronization mode on transmitting the relay protection signal , in order to ensure the channel transmit the power grid protection signal reliably .

FDM-FM方式对数字微波通信干扰的分析方法

The Analysis Method of Digital Microwave Communication Interference with FDM-FM Mode

本文根据由日本NEC引进的NSV-85人集中监视装置，近年来对北京到武汉的PCM数字微波系统监视所获得的统计资料，分析和计算不同CT下丢失信息的概率。

This paper analyzes and calculates the probability of missing infor - mation with different C_T according to the statistical data obtained from NSV-85A centralized supervisory equipment ( NEC product ) employed in supervising a PCM digital microwave system in china .

高阶QAM可以有效地提高频谱利用率，在数字微波通信系统、有线电视网络、卫星通信等领域取得了广泛应用。

As high efficiency utilization of spectrum , high-order quadrature amplitude modulation ( QAM ) has been widely used in digital microwave communication systems , cable TV network , satellite communications and many other fields .

16-QAM作为一种高效的调制解调方式，在高清电视、卫星通信、数字微波传输等许多通信领域得到了日益广泛的应用。

As a high efficiency digital modulation and demodulation scheme , 16-QAM is widely used in HDTV , satellite communication , microwave communication and so on .

本文介绍针对任意调制状态数及任意星座结构的M-QAM大容量数字微波通信系统借助微型计算机通用分析、模拟其系统性能的基本方法与有关结果。

This paper deals with the basic method and corresponding results of the general microcomputer aided system analysis and simulation for M-QAM high capacity digital microwave radio system with any modulation states and any type constellation structure .

东莞电力工业局数字微波传输网，主要为广东省电力中心调度所、东莞电力工业局本部和所属220kV变电站的话音和远动数据的实时信息传输提供通信通道，并为电力载波通信提供汇集通道。

The digital microwave transmission network of Dongguan Power Bureau mainly provides communication channels for real time transmission of speech and telecontrol data of Guangdong Provincial Power Dispatching Center , the bureau proper and its 220 kV substations , and offers collecting channels for power carrier communication .

东北电网数字微波监测数据集中管理系统

The Digital Microwave Supervisory Data Central Managing System of Northeast China