bit error

Bit Error Rate, S/ N and Frame Delimitation in Telecontrol System

关于远动系统中误码率、信噪比和帧同步字探讨

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Especially, because of the low bandwidth, high delay and high bit error rate in wireless channel, the traditional congestion control mechanisms suffer great unfairness and inefficiency in wired/ wireless hybrid networks.

特别在目前有线/无线互联网络中，由于无线信道具有低带宽、高延时和高差错率等特点，传统的基于有线网络的拥塞控制机制暴露出严重的不公平和网络效率低下等问题。

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Finally, MATLAB simulation results of channel estimation performances using different BEMs and bit error rate results after equalization are given and analyzed.

最后给出并分析了各种基扩展模型信道估计性能的仿真结果和均衡后的误比特率仿真结果。

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Cryptograph of block encryption appear one bit error, whole block cannot comeback.

块加密的密文出现一位错误, 整个块都不可能正确解密.

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In the systerm, each user has individual randomly produced time bias parameter, which is used to study the bit error rate performance of the systerm.

系统模型中不同的用户随机产生了不同的时偏参数，以此研究采样偏差对系统误码率性能的影响。

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The main reasons of bit-error-rate in underwater acoustic communication are serious multipath fading and Doppler shift.

严重的多途衰落、多普勒频偏是水声通信中引起误码的主要原因.

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Based on the models of WCDMA unlink channel and signal, the expression of output bit error rate ( BER) is derived.

在建立了WCDMA信道、信号模型的基础上，给出了输出误码率的表达式。

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A New Bit Error Probability Bound for Intersymbol Interference Channels interference between longer and shorter great circle path signals

符号干扰信道的一个新比特差错概率界长短大圆路径信号干扰

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The main factors that cause the quantum bit error rate are the optical elements, the detector dark noise and the space optical environment and these factors were analyzed.

对于自由空间量子信道，引起量子误码率的主要因素是光学元件、探测器暗噪声和空间光学环境，并对这些因素进行了分析。

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The simulation result shows that the bit error ratio can be decreased greatly.

仿真结果表明,此方法对系统误码率性能有较大改善.

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In this paper, the multiple access performances of spread spectrum with chaotic sequence and that with pseudo-random sequence, pseudo-( chaotic) time hopping and conventional time hopping are compared, in terms of theoretical analysis of bit error rate, simulation results and the receiver.

从误码率理论分析、性能仿真和接收机结构等几个方面对混沌序列扩频与伪随机序列扩频、伪混沌跳时与传统跳时多址接入方式进行比较研究。

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The effect of full bit error on the baud rate is also analysed.

分析了整位误差对波特率误差的影响.

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Without proper compensation for MAI and ISI, Bit Error Rate ( BER ) is generated highly.

如果不对多址干扰及码间干扰加以适当补偿的话,接收信号就会有很高的误码率.

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Compared with traditional terrestrial sensor networks ( TSN) that use radio communication, underwater acoustic communication has low bandwidth, high bit error rate ( BER), and long signal propagation delay.

与传统的陆地传感器网络使用的无线电通信相比，水声信道具有通信带宽低、误码率高、传播时延大的显著特点。

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This paper presents a design for bit error ratio tester of DVD mother disc using FPGA.

本文提出了一种利用FPGA来 实现DVD光盘母盘误码率检测的仪器设计.

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In the low-frequency elastic wave through-the-earth communication system, severe Inter-Symbol Interference ( ISI) is generated and the bit error rate ( BER) is increased after transmission because of the multipath transmission caused by the characteristics of the layered earth.

在低频弹性波透地通信系统中，由于分层大地信道的多径传输特性，弹性波信号经过信道传输以后，产生了严重的码间干扰，增加了通信的误码率。

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The temporal variation and powerful interference of low-voltage power line channel, which had high bit error rate and low reliability when data were transmitted compared with the traditional line channel.

与传统有线信道相比，低压电力线信道的时变特性和强干扰特性使之在数据通信时误码率较大、可靠性不高。

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Simulations for bit-error-rate on an additive white gaussian noise channel showed that at the threshold of visibility the required E_b/ N_0 was only 3.4 dB, which is 1.8 dB better than the reference schemes.

在加性高斯白噪声信道下的误码率性能仿真证明：在视觉门限下该方案所需的比特信噪比Eb/N0仅为3.4dB，比参考方案有约1.8dB的增益。

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This Recommendation is based upon bit error and bit error ratio measurements.

本建议以比特差错率测量为依据,相应地规定了事件、参数和指标.

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This paper analyzes the Transfer Control Protocol ( TCP) mechanism and the reason TCP suffers from efficiency loss when extended over a satellite link, which presents both a high delay bandwidth product and a high burst bit error rate.

该文分析了传输控制协议（TCP）的运行机制，以及它在高延时带宽积和高突发误码率的卫星信道上传输效率低下的原因。

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CVSD ( Continuous Variable Slope Delta Modulation ) voice coding enables operation at high bit-error rates.

连续可变斜率增量调制的语音编码可以在高误码率的情况下正常工作.

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Both the air interface based on time division multiplex CDMA and the uplink synchronization techniques based on closed loop delay control are introduced. The influence of synchronization accuracy on bit error rate is analyzed.

介绍了时分复用码分多址空中接口和上行信号闭环延迟控制两项关键技术，分析了同步精度对比特误码率的影响。

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Comparison of the theoretical error probability with the bit error rate of simulation example proved that the approximate approach was effective for nonlinear system's performance evaluation.

理论误码率和仿真试验中实际误比特率的对比结果表明，该近似处理方法是有效的。

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Bearer: A information transmission path of defined capacity, delay and bit error rate, etc.

承载: 定义了传输能力 、 时延和误码率等的信息传输通道.

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Paper researched the work theory and structure of traditional BERT, and use VHDL program language to realize a majority of BERT functions on FPGA, such as LCD driver, rs232 driver, error bit test, key and led control, etc.

研究了传统误码仪的工作原理与结构，并利用VHDL语言在FPGA芯片上模拟实现了绝大部分的传统误码仪的功能，如LCD显示驱动，串口通信驱动，误码测试，数据存储芯片驱动等功能。

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The effects of weak optical feedback ( WOF) on the bit error rate ( BER) of coherent optical differential phase shift key-controll ( DPSK) systems are presented.

本文讨论了弱光反馈对相干光差分相移键控系统误码率的影响。

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Toward digital communication, bit error and spectrum availability ratio are two main scale targets.

对于数字通信而言, 误码率和频带利用率是两个主要的衡量指标.

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Bit Error Rate Test, or Tester.

误码率测试或检验装置.

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Performance Simulation of MPEG-4 in Different bit Error Ratio

MPEG-4在不同误码率下的性能仿真

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Bit error tester is indispensable equipment during performance testing and malfunction diagnosis of communication system.

在通信系统的性能测试以及故障诊断工作中,误码仪是必不可少的设备.

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