In view of the present teaching status of Communication Electronics Technology course,this paper introduced how to design experiments according to the statistic/judgement circuit.
鉴于通信电子技术课程的教学现状,提出了依据统计/判决电路来设计通信电子实验,在8分频的前提下,该电路可以在改进系统通信质量方面起到一定的作用,如改善信噪比,降低误码率,提高系统抗干扰性。
Based on the Shanon expressions and the optimal digital signals receiving,we analyse the characteristic of the CDMA communication system in the channel,and then bring forward the statistic/judgement circuit.
分析了CDMA通信系统在信道中的性能,并根据香农公式和数字信号最佳接收的知识提出了统计/判决电路,在8分频的前提下,该电路可以在改进CDMA系统通信质量方面起到一定的作用,如改善系统信噪比,降低误码率,提高系统抗干扰性,改善通信质量。
By introducing a kind of estimation method to statistical decision, minimax estimation method, this article achieves the goal of estimating the accuracy of securities investing consultation institute forecasting securities market tendency.
给出了证券投资机构对证券市场大盘走势预测准确度的定义,通过引入统计判决中的极小极大估计方法,将其作了估计。