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- Chapter 4 and chapter 5 discuss the impact of load estimation error on DAP protocol and the load estimation algorithm. 第四章和第五章分别就信道负载估计误差对动态接入概率协议性能的影响和信道负载估计算法的角度阐述。
- The problem becomes how to choose the bucket boundaries to minimize the estimation error for a given number of buckets. 于是，这个问题就转变成，我们要如何去决定最佳格子的边界而使得压缩的误差是最小。
- In this paper, effect of channel information estimation error on the performance of LDPC-OFDM system is analyzed . 为此,研究了信道估计误差对LDPC-OFDM系统性能的影响。
- And in the uplink, the performance of the multiuser detector is better, but the large channel estimation error will bring performance degradation. 而上行信道多用户检测器的性能也较好;但是多用户检测器会受较大的信道估计错误影响而性能降低.
- Time delay estimation error may decrease the linearization performance of adaptive predistortion for radio frequency (RF) power amplifier. 摘要延时估计偏差通常会严重影响射频(RF)功率放大器预失真技术的性能。
- To eliminate the speed estimation error,the machine parameters are adapted on-line,based on a mutual model reference adaptive system(MRAS). 为消除速度估计误差,电机参数通过一交互式模型参考自适应系统(MRAS)在线辨识。
- Meanwhile, the result is refined using frequency-domain correlation and covariance matrix of estimation error in minimum mean-squared error sense. 对滤波的结果，利用信道的频域相关函数和估计误差的协方差矩阵，在频域进行最小均方误差意义上的优化。
- Following is an analytical expression to calculate the BER of M-QAM under Rayleigh channel when channel estimation error exists. 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。
- The biggest relative estimation error is 8.39% and the advance of the wetted areas and the infiltrability, as functions of time, fitted exponential expressions. 水流推进面积、土壤入渗性能与时间均具有较好的幂指数相关关系。
- Algorithm 2 has better performance than algorithm 1, GHK filter can make the steady estimation error very small.It can satisfy the request of accurate burst time control. 算法2相对于算法1具有良好的性能，通过GHK滤波使估计值稳态误差较小，可以满足精确炸点控制要求。
- However, OFDM is sensitive to synchronization error and channel estimation error and it has the weakness of the high Peak-to-Average Power Ratio (PAPR) of the transmitted signal. 但是,OFDM不仅对于同步误差和信道估计误差非常敏感,而且还伴随发射信号高峰平比(PAPR)的缺点。
- Simulation results show that the newly proposed BEM algorithm outperforms conventional EM estimation schemes both in terms of BER and mean square estimation error. 仿真试验结果表明：该算法和传统EM信道估计算法相比具有更低的误码率和更小的估计均方误差值。
- The iterative optimization procedure also involves reducing the orientation estimation error,revising the salient measure and thinning the tensor voting results. 实验结果表明:文中改进措施有效地解决了张量投票算法在提取主观轮廓中存在的问题。
- The simulation results show that, if the variance of channel estimation error is less than 10-4, the 16QAM system can achieve the preferred BER performance similar to the one with perfect channel estimation. 本文的仿真分析显示,当信道估计误差的方差小于10-4时,16QAM系统可以获得接近理想信道估计时的误码率性能,这一结果具有重要实用意义。
- Visualize the distribution of Credit Losses and the VaR without incurring into model or estimation errors. 将信贷损失和风险价值的分布形象化，而无需使用模型或产生估计错误。
- The error propagation law shows the abundance estimation error can be reduced and hence improve the unmixed accuracy by reducing within endmember variances and increasing between endmember variances. 研究结果表明：(1)端元光谱间差距越大，端元光谱内差距越小，则混合像元分解精度越高；(2)如果漏选了端元光谱会造成很大的模型误差，然而多选端元光谱却仍然是端元组分的无偏估计。
- In this paper,accuracy of pitch estimation based on two slightly different CQT definitions are discussed. The formulas for calculating frequency estimation error and the minimum length of the window function for a given frequency resolution are presented. 对于两种CQT定义下的频率估计准确性问题进行了讨论,给出了频率估计误差的计算公式和给定音节频率分辨率下CQT窗函数长度应满足的关系;
- Regardless of the impact of channel estimation error,performance comparison with conventional MMSE and Decorrelation（DEC） multiuser detection is demonstrated under different users. 在不考虑信道估计误差的情况下,仿真了不同用户数下该方案与传统解相关和最小均方误差多用户检测的性能比较。
- Analysis of this paper can provide an important reference for deciding the parameter values of CQT and for finding an approach of compensating estimation errors. 本文的分析将为实际应用中CQT算法参数的选取、寻找音阶频率估计误差的修正方法等提供重要参考依据。
- Jakes channel model was adopted in the design and channel estimation error and time delay of feedback channel were considered.An optimum precoder was designed under MMSE criterion. 用Jakes信道模型描述MIMO信道，假定接收端通过最大似然估计方法估计信道，并通过反馈信道发送到发射端，发射端和接收端根据各自的信道状态信息利用贝叶斯准则分别设计了MMSE意义下的最优的处理矩阵。
