比特误码率

提出了采用线性伪错统计的实时监测估算比特误码率（BER）的方法。

This method is to estimate BER according to pseudo-error monitoring statistic .

文中首先给出了CDMA系统中的多用户信号模型，然后具体介绍了3种多用户检测器，并分析了它们的信号干扰比和比特误码率。

The multi-user signal model in CDMA system is presented and three kinds of multi-user detectors are introduced in detail , then their SIR and BER are analyzed .

实验结果表明：在不同信道条件下，CDMA终端（包括同步CDMA终端和异步CDMA终端）的比特误码率性能都随着异步CDMA终端的增多而下降；

The results indicate , the bit error rate ( BER ) of the CDMA terminals ascends when the asynchronous users increase under different channel conditions .

针对比特误码率（BER）随振动幅值增加而上升的问题提出了用带宽自适应方法控制的解决方案。

An adaptive bandwidth solution to the problem of the bit error rate ( BER ) increasing with the vibration increasing has been presented .

基于跳频速率为20跳／秒的短波跳频系统，提出了一种将OFDM和Turbo码结合的技术，用于提高短波跳频系统的数据传输率和降低短波跳频系统的比特误码率。

The main points of this paper are : ( 1 ) Based on the short-wave frequency hopping system with 20hop / s , we presented a technique with OFDM and Turbo codes , which can improve informations ' transporting speed and depress the bit error rate .

短波信道FH/DQPSK系统比特误码率的实时监测

Real-time monitoring channel 's bit-error-rate in short wave for FH / DQPSK system

另一方面，可以充分利用负啁啾或可调的啁啾来改善系统的色散特性，降低系统的比特误码率。

And the adjustable or negative chirp parameter can decrease bit error rate of transmission system through reducing dispersion penalty .

基于室内多径衰落信道统计模型，分析并仿真了直扩二相相移键控多用户超宽带无线通信系统的比特误码率性能。

The bit error rate ( BER ) performance of multi-user direct spreading bi-phase shift keying ( DS-BPSK ) direct impulse ultra wideband ( UWB ) systems is analyzed and simulated based on a statistical indoor multi-path fading channel model .

然后对接收功率及比特差错率进行了计算分析，结果表明通信链路参数设计满足比特误码率要求。

Subsequently , the received power and bit error ratio are calculated , the results show that the parameters design of communication link can meet the demand of the bit error ratio .