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传输误码
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  transmission error
     When the transmission error eodes are generated, the distribution density function of the statistic should be where is the distribution density function of the statistic when there is no transmission error code generated. P(y,ρσ,n) is an even function with y=0 being the minimum value.
     当产生传输误码时,统计量的分布密度函数为,其中为未出现传输误码时,统计量的分布密度函数,P(y,p_σ,n)是以y=0为极小值的偶函数。
短句来源
     In order to eliminate the transmission error codes of the random signals in dataswitching, a receiver designed to detect the input random signals.
     为了消除信息交换中随机信号的传输误码,设计一种接收器对输入的随机信号进行检测。
短句来源
     This paper put forward the use of time-domain balance (waveformcompensation) and error code correction EFC) technique to correct the waveform distortion caused by non-ideal baseband characteristics according to the analysis of the characteristics of signal transmission channel of KJ90 monitoring system in order to reduce the transmission error rate.
     为了减少监控系统的传输误码率,通过对KJ90监控系统信号传输信道特性的分析,提出了采用时域均衡(波形补偿)和误码校正(EFC)的技术方法来校正由于基带特性不理想引起的波形畸变。
短句来源
     This paper presents WYK21 telemetry system,which is used for laser target spot array data measurements on the laser target site experiment. Transmission characteristics of this system,including the data transmission error rate,the receiver operating sensitivity and the power transmission plentiful amount are analyzed and studied.
     介绍了一种用于激光靶场试验中测量激光靶斑阵列数据的WYK21遥测系统,对该系统的传输特性,包括数据传输误码率,遥测接收灵敏度和系统功率传输裕量进行了分析研究。
短句来源
     The results indicated that the uses of time domain balance technology plays the vital role in reduction of the system's transmission error rate, this thus provides a useful technical experience for further upgrading the system performance.
     结果表明:采用时域均衡技术在减少系统的传输误码率上发挥着重要作用,为进一步升级系统性能提供了一条可借鉴的技术经验。
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  “传输误码”译为未确定词的双语例句
     722 has slight delay and small error rate, but its coding rate is 64, 56 or 48kbit/s.
     722的算法延迟很小,传输误码率低,但其编码比特率高,为64、56或48kbit/s;
短句来源
     A bit error rate measurement system for LVDS signal transmission based on USB interface
     基于USB的LVDS信号传输误码率测试系统
短句来源
     Novel Error Concealment Algorithm for Image Transmission in JPEG2000
     一种新的JPEG2000图像传输误码掩饰算法
短句来源
     The MPEG-2 system combined with FEC has reduced BER from 10 -2~10 -3 to 10 -7~10 -8,and been used in real-time monitor,and got good res ult.
     结合了纠错技术的MPEG- 2视频系统使传输误码率从 10 - 2 ~ 10 - 3降低到 10 - 7~ 10 - 8,该系统已经应用于实时监控中 ,性能良好。
短句来源
     Causation Analysis of Error Code in Ship-Shore Data Transport Based on Inmarsat-B
     基于Inmarsat-B岸船数据传输误码原因分析
短句来源
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  相似匹配句对
     THE ERROR CODE DETECTION FOR TRANSMISSION OF RANDOM SEQUENCE
     随机序列传输误码检测
短句来源
     BER Analysis of Signal Channel in Optical Terminal Receiver
     光通信接收机传输误码分析
短句来源
     The Transmission Loop
     传输环路
短句来源
     General Transmission Matrix
     广义传输矩阵
短句来源
     the Developing Techniques on Error Measurement
     发展中的误码测量技术
短句来源
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  transmission error
These systems are multichannel due to the self-synchronization method of the recovered signals of the sensors in the ground part with a 0.1% total reception/transmission error determined by the analog-to-digital conversion.
      
Simulation results showed that the optimal rate allocation carefully trades off total encoding/transmission rate, with the end-to-end transmission error probability and the number of chosen paths.
      
This paper deals with the problem of switching between an open-loop estimator and a close-loop estimator for compensating transmission error and packet dropout of networked control systems.
      
a fixed execution delay has a much larger influence on the transmission error than a comparable mean delay of a statistically distributed transmission delay, and 3.
      
Because the technique is based on axis-by-axis calibration, other non-geometric errors such as joint backlash and gear transmission error may also be revealed.
      
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In order to eliminate the transmission error codes of the random signals in dataswitching, a receiver designed to detect the input random signals. When the transmission error eodes are generated, the distribution density function of the statistic should be where is the distribution density function of the statistic when there is no transmission error code generated. P(y,ρσ,n) is an even function with y=0 being the minimum value. Taking the minimun error propability to be the detection criterion, the detection...

In order to eliminate the transmission error codes of the random signals in dataswitching, a receiver designed to detect the input random signals. When the transmission error eodes are generated, the distribution density function of the statistic should be where is the distribution density function of the statistic when there is no transmission error code generated. P(y,ρσ,n) is an even function with y=0 being the minimum value. Taking the minimun error propability to be the detection criterion, the detection threshold will be the root of the equation P(y,ρσ,n) = l. Therefore thecriterion for the minimum error probability detection will be 1.

为了消除信息交换中随机信号的传输误码,设计一种接收器对输入的随机信号进行检测。当产生传输误码时,统计量的分布密度函数为,其中为未出现传输误码时,统计量的分布密度函数,P(y,p_σ,n)是以y=0为极小值的偶函数。以识别的最小错误概率为检测准则,检测的门限为方程P(y,p_σ,n)=1的根。因此,最小错误概率检测准则为:P(y,p_σ,n)≥1。

The error-rate performance of the high-speed QPSK digital satellite communication system with cochannel large capacity FDM-PM signal interference is studied by means of computer simulation. On the basis of the satellite signal's narrowband transmission characters, base-band equivalent models of the satellite high-speed QPSK modem system, TWT no-nlinearity, large capacity FDM-FM interfering signal and noise are derived and realized in the computer. A computer simulation system is constructed, which is suitable...

The error-rate performance of the high-speed QPSK digital satellite communication system with cochannel large capacity FDM-PM signal interference is studied by means of computer simulation. On the basis of the satellite signal's narrowband transmission characters, base-band equivalent models of the satellite high-speed QPSK modem system, TWT no-nlinearity, large capacity FDM-FM interfering signal and noise are derived and realized in the computer. A computer simulation system is constructed, which is suitable for studying the error-rate performance of the high-speed QPSK digital satellite communication system under interference and noise. Using this equivalent system, the transmission error-rates of the high- speed QPSK satellite signal are simulated under varying signal-to-interference ratios and varying signal-to-noise ratios, the error-rate performance curves with up-link and down-link large-capacity FDM-FM signal interference are obtained, and the simulasion results are discussed.

本文用计算机模拟的方法研究高速QPSK数字卫星系统受大容量FDM-FM信号同波道干扰时的系统误码特性。根据卫星信号的窄带传输特点,建立并在计算机上实现了卫星QPSK调制解调系统、卫星行波管的非线性特性、大容量FDM-FM干扰信号以及噪声的基带等效模型。构成了适合于研究干扰和噪声条件下高速QPSK数字卫星系统误码特性的计算机模拟系统。利用此等效系统对不同信扰比和不同信噪比条件下卫星高速QPSK信号的传输误码进行了模拟,得到了上行和下行大容量FDM-FM信号干扰时的误码特性曲线,并对模拟结果进行了讨论。

A digital code conversion algorithm between 16kbps CVSD(Continuously Variable Slope Delta)and 64kbps A-law PCM is proposed in this paper,which eliminates cumulative distortion regardless of the number of the tandem transcodings in the steady state mode. Thus,the algorithm can enhance the performance of the telephone network linking between the special network and civil network.

本文提出了16kbps连续可变斜率增量调制(CVSD)与64kbpsA律PCM编码数字转换算法,在无传输误码情况下,采用该转换算法,(1)从CVSD转换到PCM时,同直接CVSD编码相比,分段信噪比(SNRSEG)恶化小于0.1dB,信噪比(SNR)恶化小于0.01dB,多次转换(转换次数≥2)时SNR和SNRSEG保持不变,即无误差积累;(2)从PCM转换到CVSD时,同直接CVSD编码相比,SNR和SNRSEG有所提高,多次转换时SNR和SNRSEG同样保持不变。这一算法的提出解决了我国专用网(CVSD信源编码)与公众网(PCM信源编码)互联中信源编码变换的方案。

 
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