频带传输

介绍了ASKFSK及PSK三种二进制频带传输系统的解调方法；

The adjusting methods with binary systems frequency band transmission of ASK 、 FSK and PSK are discussed , and compare three kinds of method .

频带传输的码间串扰

Intersymbol interference of frequency band transmission

实验系统采用MicrosoftvisualC++6.0开发，提供编译码、流量控制、差错控制、多路复用技术和频带传输与调制解调技术等实验的动态演示。

This experimental system is developed by Microsoft Visual C + + 6.0 , provide the dynamic demonstration of coding and decoding , error control , multiplexing , frequency band transportation and MODEM technology etc.

数字通信系统有基带传输和频带传输两种传输方式。

Digital Base Band Transmission System And Analysis of Its Error Codes ;

数字通信技术主要包括数字基带信号传输、数字信号的频带传输、网络与协议、自适应均衡、功率谱估计等技术。

Digital communication technology includes digital baseband signal transmission , digital signal transmission frequency band , network and protocol , adaptive equalization , power spectrum estimation techniques .

提出了一种将基于OFDM的数字信号和AM信号在同频带内传输的方案。

A scheme is presented for OFDM digital signal and AM signal to transmit at the same band .

采用频带分段传输正交频分复用（BST-OFDM）的日本NHKISDB-T标准。

Using banding segmented transmission Orthogonal Frequency Division Multiplexing ( BST-OFDM ) Japanese NHK the ISDB-T standard .

正交振幅调制（QAM）是一种相位和振幅联合控制的数字调制技术，它不仅可以得到更高的频谱效率，而且可以在限定的频带内传输更高速率的数据。

Quadrature amplitude modulation is a joint-controlled digital modulation technology of phase and amplitude , which not only has higher spectrum efficiency , but also has higher speed of data transmission in limited frequency band .

同频带OFDM+AM传输系统方案研究与仿真

A Scheme for OFDM + AM Transmission at the Same Band : Research and Simulation

AM广播的频带复用传输

In Band Multiplexing of AM Broadcasting system

AM广播的频带复用传输多体存贮器有效频带分析

In Band Multiplexing of AM Broadcasting system The Analysis of Utility Bandwidth of Memory with Multibank

另一款是通过在每个输出端增加一段耦合线，同样也能够在超宽带频带增加传输极点，实现超宽带的特性。

The other adds a coupled-line at each output port , which can also get additional transmission poles in the UWB frequency .

仿真结果表明，此方案能够实现数字信号和AM信号在同一频带内传输而互不干扰。

Simulation result shows that with this scheme , the digital signal and AM signal can be transmitted at the same band without interference on each other .

编码调制技术（TCM）是将信道编码与调制相结合的一种不展宽频带的高效传输方案。

Trellis-Coded Modulation ( TCM ) is efficient transmission scheme that does not show the combination of a channel coding and modulation wideband .

卫星通信系统由于其覆盖面积大、通信频带宽、传输容量大等的独特优势，已经成为实现全球无缝隙个人通信和Internet空中高速通道的重要手段。

Satellite communication system has become the important means for worldwide individual communication and Internet air high-speed access due to its large coverage area , wide communication band and high capacity transmission .

能利用部分语音频带进行信令传输或电报传输的一种设备的分类（法）。

An arrangement of equipment that permits the use of part of a speech band for transmission or telegraph .

由于数字微波通信具有频率高，频带宽，传输信息量大的特点，所以被广泛应用于各种通信领域，包括微波多路通信，微波中继通信，移动通信和卫星通信。

As the digital microwave communication with higher frequency , wider frequency band and larger amount of information transmission , it is widely used in a variety of communication fields , such as multi-channel microwave communication , microwave relay communication , mobile communication satellite communication and so on .

它能在维持不同业务分组QoS的要求和兼顾用户公平性的基础上提高系统的平均频带利用率、传输速率和系统容量。

It raises average the spectral efficiency , transmission rate and system capacity of system on the basis of maintaining the QoS requirement of different traffic packets , and taking the fairness among users into account .

本文提出了采用对称三值逻辑PCM技术可以在有限的传输频带上提高信息传输密度和传输速率的理论分析。

In this paper a theoretic analysis is given , which indicates that information transmission density and transmission rate can be increased within a limited transmission frequency band by using symmetric ternary PCM technique .

现行的广播电视系统由于采用隔行扫描方式，从而有效地压缩了电视信号的频带，有利于传输；

Employing the interlaced scanning , current TV system can compress the frequency band of TV signal effectively and facilitate transmission .

由于信道资源越来越紧张，如何来提高频带效率成为数据传输系统的关键问题。

Because of the channel is getting more and more crowd , how to increase channel efficiency becomes the key problem .

它可以在同一频带内，提供传输平行信息的几个无线信道，并大大地增加系统的容量。

MIMO system can provide radio channels capable of transferring parallel information within the same bandwidth , and greatly increase the attainable capacity .

该电路具有电源电压低、频带宽、电流传输精度高、及成本低廉且实用性好的特点。

The circuit has some advantages , such as low supply voltage , wide-band , the high accuracy of voltage and current transfer , low-cost , and good practical Properties so on .

具有其他无线通信技术所无法具有的尺寸小、频带宽、数据传输高速化、功耗低、安全性能高、保密性高、成本低、容易集成等优点。

The deferent from other wireless communication technologies , it has small size , frequency bandwidth , high-speed data transmission , low power consumption , security , high-performance , high security , low cost , easy integration , etc. .