平台主要包括中频信号发生器，模拟信道、接收机以及上位机控制台。
The system comprises of four parts which are signal transmitter, receiver, signal channel and upper computer as a console.
一种数据信道，其传输的信息可取该信道规定界限内的任何值。话音信道就是模拟信道。
A data channel on which the information transmitted can take any value between the limits defined by the channel. Voice - grade channels are analog channels.
信道化接收机可以满足这些要求，但传统的模拟信道化接收机存在相位非线性和各信道间幅度增益不一致等缺点。
The channelized receiver covers these characteristics, but the traditional analog channelized receivers have the limitations, that is phase non-linearity, the amplitude gain non-consistent and so on.
根据网络通信模拟器的要求和工作原理，提出了用开关矩阵函数模拟网络的连通关系以及在相关链路上模拟信道误码的新方法。
Based on the principle and requirements of the NCS, a new scheme that USES the on off matrix function to represent the network topology and bit error rate of each link is presented.
提出基于快速傅立叶交换的连续信道的计算机模拟。
The computer simulation of continuous channels based on the algorithm of FFT is proposed.
该文研究了基于数据模拟方法和HMM（隐马尔科夫模型）自适应的电话信道条件下语音识别问题。
This paper addresses the problem of speech recognition under telephone channel conditions using data simulation method and HMM(Hidden Markov Model)adaptation.
纯导频方式是采用专门的信道发生器模拟出纯粹的导频信号。
The way of pure pilot-frequency is one that adopts dedicated-channel generator to simulate pure pilot signal.
并由此模型设计了一个四信道模拟系统。
Then, a simulation system of realizing four channels receivers, from the model, is designed.
双音多频是一种在话音信道用音调来表示数字的方法，它可以用来在模拟话音信道传输信令，因此在通信中有广泛的应用。
Provide is a voice channel and tone to represent Numbers method, which can be used to transmit analog voice, so in communication has been widely used.
系统模拟了从信号的产生，在空间信道中的传输，天线的接收，到最后恢复出信号源的整个过程。
The system simulates the whole course from the signal generating, transmitting in the channel, being received by antennas to the signal rebuilding.
在分频多任务（用于模拟讯号），信道切割成次信道，每个信道具有不同的频率宽度，指定给特定的讯号。
In FDM (typically used for analog signals) the channel is subdivided into subchannels, each with a different frequency width that is assigned to a specific signal.
模拟结果表明，该方法比一般的载波干扰比功率控制方法性能更优，可获得更低的误码率和更高的信道容量。
Compared with conventional power control method utilizing carrier to interference ratio, the simulation results show that it can achieve lower bit error ratio and higher channel capacity.
在数字移动通信信道模型上，利用计算机模拟，在均方误差和误码率特性方面与其它均衡器算法进行了比较。
On a digital mobile radio channel model, using computer simulation, we compare the SWFTF DFE algorithm with other equalizer algorithms in the characteristics of mean squared error and bit error rate.
模拟结果表明引入子载波分组后系统性能依然保持良好，并且信道估计偏差对本算法的影响较小。
Simulation results show that subcarrier grouping just has a little influence on system performance. Meanwhile the imperfect channel estimation has little effects on the present algorithm.
数值模拟表明信道容量与衰落程度和分集的性能有关。
The numerical simulation results show that channel capacity will be affected by fading severity and diversity performance.
文章叙述了其编码方法以及在模拟干扰信道情况下的纠错效果。
This paper introduces the coding method as well as effects of error correcting during disturbances in the message channel of the simulation.
所述前端电路包括用于将所接收的数字信号转换为多个模拟网络中被选择的一个的多个可编程信道电路。
The front end circuits comprise a plurality of programmable channel circuits for converting received digital signals into selected one of a plurality of analog network.
论述了电力线信道上脉冲干扰的特性，运用概率论推导出存在脉冲干扰时求解敖据帧长度的数学模型，并进行了仿真模拟验证。
This paper discusses the nature of the impulsive interferences with on the power line channels, and presents a model for finding a frame length and a simulated example using probability.
传统的模拟指令和数字指令的无线传输采用不同的信道机分别传输。
Usually the analog signal and digital signal will be transferred through different wireless channel in firepower control system.
在数字移动通信信道模型上，利用计算机模拟，在均方误差和误码率特性方面与其它均衡器算法进行了比较。
On a digital mobile radio channel model, using computer simulation, we compare the SWFTF DFE algorithm with o...
测试低轨卫星移动通信信道模拟器的硬件性能。
Test the specification of the LEO satellite communication channel simulator.
双音多频(DTMF)是一种在话音信道用音调来表示数字的方法，它可以用来在模拟话音信道传输信令，因此在通信中有广泛的应用。
Provide (DTMF) is a voice channel and tone to represent Numbers method, which can be used to transmit analog voice, so in communication has been widely used.
随后，我们模拟了不同参数条件下(信道模型、码道数目、天线数目)这几种算法的性能，并与理论分析进行对照，得出一定结论。
Then we simulate their performance in different occasions, such as channel model, burst number and antenna number. Combing theory analyses and simulation results, we give some conclusion.
根据电离层影响无线电波传输的有关理论，本文设计并实现了一种基于DSP的话音带宽短波信道模拟器。
In this paper, a DSP-based HF channel simulator within audio bandwidth is designed and implemented based on the concerned theory on the effects caused by the ionosphere in radio wave.
并在此基础上进行分析，从而用计算机模拟出了四种噪声信道中对应高斯分布和拉普拉斯分布的离散信号信息传输量。
On this basis, transinformations for discrete signals of Gauss and Laplace distribution in channels with four noise patterns are simulated.
很多国家在建立了低轨卫星系统的同时，进行了卫星信道模拟器的研究。
Many countries get to research satellite communication channel emulator while building up low-orbiting satellite communication system.
模拟结果显示，分组码采用网格译码，可为移动衰落信道带来显著的性能改善。
Results show that system performance is greatly improved when this trellis decoding method of block codes is adopted.
本文利用DSP和FPGA完成了一种可编程实时信道模拟器。
A programmable real-time channel simulator integrated with DSP and FPGA is presented.
通过在加性高斯白噪声(AGWN)信道中的模拟仿真，其结果说明了此系统的优越性，并通过卷积编码，进一步降低了系统的误码率。
We simulated the system in the Additive Gaussian White Noise (AGWN) channel, proved the superiority of this system, and used the convolutional codes to reduce the bit error rate further.
同时，信道模拟器的硬件实现可以为卫星通信系统的工程设计提供强有力的调试手段，具有十分重要的意义。
Meanwhile, the implementation of the channel simulator is so significant that it can provide a strong debug method for the system design and testing.
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