协议提供面对发生在类似移动信道误差易出环境中的传输误差。
The protocol provides against transmission errors occurring in error-prone environments like mobile channels.
对于信道误差引起的含水印索引丢失，该算法具有良好的鲁棒性。
The method is robust against the channel error, thus causing loss of watermarked indices.
基于一定的解码状态，声码器通过最小均方误差（MMSE）估计的方法估计最优参数，充分降低信道误码对重建语音质量的影响。
The minimum mean square error (MMSE) is computed for each decoding state to estimate optimal parameters and to reduce the influence of the bit error.
本文将分形理论引入多径衰落信道的描述，提出了一种利用分形滤波进行最小均方误差意义下信道参数估计的方法。
The fractal theory was applied to describe multipath fading channels, and a novel channel estimation scheme using fractal filter in the sense of minimum mean square error (MMSE) was presented.
而基于双层符号常数模的多径水声信道盲均衡器，具有收敛速度快，超量均方误差和计算复杂度小等特点。
The DSCMA-based multipath underwater acoustic channel blind equalizer has many features such as fast convergence, low excess mean square error and low computational complexity, etc.
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.
分析结果表明，与已有的OFDM系统在时变多径信道中的信道估计技术相比，所建议的算法可以有效地减小信道估计的误差。
The result shows that, compared with the existing channel estimation algorithms for OFDM system under time-vary multipath channel, the proposed algorithm can effectively reduce estimation errors.
并对几种方案在不同误差特性状态下的短波信道中应用的结果进行了评估。
The results of several schemes applied in short wave channels of different error features are also evaluated.
逆扩频装置，时序检测装置，信道估计装置和频率误差测量方法。
Reverse-spread spectrum device, time sequence inspection device, channel evaluation device and method for measuring frequency faults.
提出了计算瑞利信道下存在信道估计误差时m -QAM的误比特率的解析表达式。
Following is an analytical expression to calculate the BER of M-QAM under Rayleigh channel when channel estimation error exists.
然而时统信号在通过数字信道传输后却会产生畸变，使其在普通解码时会产生各种误差而使测控数据无法使用。
However, the signal in the digital channel has distorted so that the general decoding method fails to generate the correct signals.
基于导频的信道估计方法已经受到广泛的研究，主要估计算法有最小二乘法(LS)、最小均方误差法(MMSE)和最大似然(ML)估计法等。
The channel estimation method based on pilots has received much research. It adopts the algorithms such as least squares (LS), minimum mean square error (MMSE), maximum likelihood (ML), and so on.
从理论上分析了该算法所能达到的信道估计误差下限和比特误码率下限，并提出了最优叠加导频序列的设计准则。
Theoretical results of the lower bound of the bit error rate as well as the channel estimation error of the proposed algorithm were given.
并且以信道估计均方误差(MSE)作为评估标准，从理论上证明了所提算法的有效性。
Taking the channel estimation mean square error (MSE) as the performance evaluation indicator, the thesis verifies the efficiency of the proposed scheme from the theoretical aspect.
水声信道的随机时变特性使得匹配滤波器的检测性能下降，参量估计误差增大。
The detection performance of matched filter will be degraded and the errors of estimated parameters of matched filter will be increased in a randomly space-time variant channel.
该文针对存在信道估计误差的有限反馈多用户多输入多输出(MIMO)传输性能进行分析。
In this paper, the impact of channel estimation error on the performance of multiuser Multiple-Input Multiple-Output (MIMO) transmission based on limited feedback information is analyzed.
同时，信道分配单元也不是越小越好，适当提高分配单元的大小可以在一定程度上减轻信道信息误差的影响。
It's also observed that, when the channel information is not sufficiently reliable, extending the channel allocation unit can, to some extent, lessen the impact of channel information error.
为了降低这种误差，提出了循环迭代的算法，通过对数据域信道估计进行补偿，提高了单个时隙信道估计精度。
To reduce this error, a recursive channel estimation algorithm was proposed to compensate the channel estimation of data field to increase the precision of the channel estimation of single timeslot.
同时，通过消除频域导频时域序列的自相关误差，能有效降低由DFT谱泄漏导致的信道估计误差。
At the same time, the channel estimation error, caused by the spectral leakage of DFT, can be reduced by canceling the auto-correlation error of the time-domain sequence of frequency-domain pilots.
使用最小均方误差准则，用一个FIR均衡器联合缩短信息与回波冲激响应，有效地缩短了回波和信道冲激响应长度。
Both channel and echo response can be shortened at random with a single FIR equalizer by following the minimum mean square error rule.
同时，基于确定信道模型的通信系统分析显示，该方案的抗信道估计误差的鲁棒性明显提高。
Meanwhile, the communication system analysis based on determinate channel model demonstrates that the robustness against the channel estimate error is evidently enhanced.
由于公共导频信道无功率控制，有可能在接收端接收到的公共导频信号的功率很低，使得信道估计的误差变大。
Because there is no power control in CPICH, the received common pilot signal power is possibly very low if the mobile is far from the base station, and this time the channel estimates is inaccurate.
对多信道模型的输出应用线性预测，证明了预测误差只包含多信道模型冲激响应在第一个时隙的参数，并给出最佳线性预测器的长度。
A linear prediction approach is applied to the output of this SIMO model and we prove that the prediction error contains the parameters of the first time slot of the model impulse response.
实际星地光通信系统的发射光束为高斯型的情况下，跟瞄误差和大气闪烁是星地激光链路中的主要信道噪声源。
The transmitter beam is Gaussian for real satellite-ground laser communication system. The pointing jitter and atmospheric scintillation are the main noise sources for satellite-ground laser link.
虽然判决导引最小均方误差算法(DD -LMS)剩余误差小，但是，在信道眼图闭合的情况下，该算法无法收敛，即不具备冷启动能力。
Though the decision directed least mean square error algorithm (DD-LMS) has small residual error, when the channel eye close, it can not converge. That is, it has no cold start ability.
最后，对存在信道估计误差时MIMO系统中的自适应资源分配问题进行了研究。
Finally, the adaptive resource allocation problem for the MIMO systems in the presence of channel estimation error is analyzed.
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...
本发明利用视频画面帧间的相关度来动态调整信道带宽，能够减少预测误差，使信道分配更准确。
The invention utilizes the relevancy among the video picture frames to dynamically adjust the channel bandwidth and can reduce prediction error and allocate channel more correctly.
本发明利用视频画面帧间的相关度来动态调整信道带宽，能够减少预测误差，使信道分配更准确。
The invention utilizes the relevancy among the video picture frames to dynamically adjust the channel bandwidth and can reduce prediction error and allocate channel more correctly.
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