误码率

However, transmission rate and bit error rate are fixed in some communication systems.

实际的通信系统一般要求传输速率和误码率一定，提出的算法就以最小化发射功率为目标，在发射端自适应根据MIM0系统各个空间子信道的增益来分配传输比特、发射功率，最终获得好的频谱效率，并在满足通信系统要求的前提下，降低发射功率。

Proposed a new minimum variance PIC detector for synchronous CDMA system, proposed the formula for the computation of the weighting factor which minimizes the variance of output variable and prove that it locates in the range of (0, 1), functions of the expectation, variance and bit error rate are proposed as well.

提出了一种同步长码CDMA系统中的最小方差并行干扰消除检测器，提出了最小化输出方差的加权系数的计算公式，证明了该系数必定落在(0，1)区间之内，同时提出了该检测器的均值、方差和误码率公式。

The aim of this paper is to calculate the Peb more exactly, get corres-ponding conclusion and explain that it is coincident with the fundamental theorem of communication-Shanon theorem.

本文的目的就是要正确推算出此误码率Peb，并在此基础上得此相应的结论，最后说明此结论是符合通信的基本定律—山农定律的。

Simulation results show that the bit error rate can be decreased by using the increasing frequency hopping sequence.

仿真结果表明，采用递增序列的前置跳频滤波接收方法使误码率大大降低。

In order to overcome ISI and decrease bit error rate, equalization technology is widely used in high speed wireless communication system.

为了消除码间干扰，降低通信系统的误码率，均衡技术被广泛的应用在各种高速率无线通信系统中。

In other words, the threshold is set not only based on a relative level of jammer and noise but also the number of the jammed frequencies.

具体来讲，Clipper门限的优化是在最小信干比，同时受干扰的频率个数一定时系统误码率最小的条件下进行的。

Lecturing the technical requirements and constitution of light transmitter and receiver; the theory of noise of light receiver; analytic theories of signal/noise ratio and bit error rate for digital light receiver; technique of coding and decoding of line.

讲授光发送机和光接收机的组成及其技术要求；光接收机的噪声理论；数字光接收机的信噪比和误码率分析理论；线路编解码技术。

Then it derived the measurement of the system loss rate. Numerical results and simulation experiments are presented.

导出了系统误码率的表达式，通过数值例子和仿真实验说明了理论分析结果的正确性。

Computer simulations show that the scheme proposed increases the transmission efficiency, and at the same time, can obtain lower error bit rate and mean square error of channel estimation than conventional OFDM systems with relative low complexity.

仿真实验表明，该策略可提高传输效率、增强系统的抗噪性能、获得比传统OFDM系统更低的信道估计均方误差和误码率，且具有较低的计算复杂度。

This is a Matlab code of a very popular and simple transmit method based on MINO system. By using it, the BER can be greatly redused.

详细说明：这是一种十分常见的简单的MINO阐述的新方法的MATLB代码，基于这种方法可以极大的减少误码率和码间干扰。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。