基于多径干扰、多址干扰和信道噪声的机理分析，推导了计算平均差错概率的有效近似公式。
An efficient approximation for expressions of the average error probability are developed based on considering the effects of multipath interference, multiple access interference and channel noise.
鉴于酉空时码的独特结构，在差错概率公式中可以很容易地分析衰落相关系数矩阵带来的影响。
According to the special structure of unitary code, it is very simple to analyze the effect of fading correlation from the equation of PWEP.
当人为差错概率是时间的函数时，用此模型可预测未来某一时刻有人为差错系统可能发生事故的危险性。
If the probability of human errors is the function of time, these models can be used to predict the hazard possibility of the system at any given time in the future.
为获得衰落信道中空时网格码(STTC)的性能估计，对STTC的成对差错概率(PEP)进行了研究。
The pairwise error probability (PEP) of space-time trellis codes (STTC) was investigated to evaluate the performance of STTC over fading channels.
考察了空时码的首事件差错概率，并基于首事件差错概率提出一种新的用于时变衰落信道的空时码混合设计准则。
The first-event error probability of STC is evaluated, and a new hybrid design criterion of space-time code for time-varying fading channels is proposed based on that probability.
考察了不同长度的首事件差错概率，并基于这些概率推出误帧率的上界，进而提出一种使误帧率的上界最小化的新准则。
The probabilities of first-event errors with different lengths are evaluated, and based on these probabilities a new criterion is proposed to minimize the upper bound of frame error ratio (FER).
介绍了球译码算法的工作原理，给出了算法流程；研究结果表明AWGN信道下LAS-CDMA系统使用16QAM调制时，球译码算法差错率趋近于使用基于ML算法的理论差错概率。
The result presents that when LAS-CDMA system using 16QAM modulation under AWGN channel, the error probability of sphere decoding goes to theory error probability of ML algorithm.
并通过差错控制机制，有效减低了发生错误后重传相关信息的概率。
Through the error control mechanism, the probability of retransmission can be cut back down in effect.
结果表明，当误码率小于10- 4时，所有情况的差错块检出概率都达到95 %以上。同时，不同情况又存在一些差异。
The result shows that the checking probability will be over 95% when the error rate is below 10 -4. However, there are some difference in a case.
结果表明，当误码率小于10- 4时，所有情况的差错块检出概率都达到95 %以上。
The result shows that the checking probability will be over 95% when the error rate is below 10 -4.
每一个操作步骤都有严格的规范，由专人负责，保证将差错的概率降到最低，提供满意服务。
Each procedure has a strictly regulated, by the person responsible, the guarantee will minimize the probability of error, to provide satisfactory services.
每一个操作步骤都有严格的规范，由专人负责，保证将差错的概率降到最低，提供满意服务。
Each procedure has a strictly regulated, by the person responsible, the guarantee will minimize the probability of error, to provide satisfactory services.
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