错误概率

其中，本系统对一枚虹膜进行处理的速度小于0.2秒，在CASIA虹膜数据库上测试的EER（等错误概率）为3.9%。

To process an iris image , this system needs only 0.2 second . The EER ( Equal Error Rate ) is 3.9 % in testing the CASIA iris library .

但在无线城域网通信系统中，多径、阴影、多普勒频移等会严重恶化系统性能，使随机错误和突发错误并存。用户通常需要系统能够提供较低的数据包错误概率和较高的系统吞吐量。

Anyway , in the WMAN communications system , the effects of multipath fading channel may cause to weaken the system performance , and lead into the co-existence of random errors and burst errors , but the end user applications often require low packet error rate and high throughput .

相关的阴影Rice衰落信道中成对错误概率分析

Analysis of the pairwise error probability over the correlated shadowed Rice fading channel

q元非线性等重码的不可检错误概率

On the Probability of Undetected Error for q-ary Nonlinear Constant Weight Codes

本文介绍了一种基于最小错误概率准则的帧检测算法，提出了该算法的FPGA实现方案。

This paper introduces a frame detection algorithm based on the minimum error probability principle , and gives its realization in FPGA .

容错检测算法中通过对（λ，κ）的优化获得最小的检测错误概率，并证明了最优检测错误随着协作用户数n的增加而呈指数下降。

Fault-tolerant detection algorithm obtains minimum detection error probability by the optimization of (λ, k ) and the optimal detection error decreases exponentially with the increase of cooperation users .

随后讨论了该方案的频谱利用率和成对错误概率（PEP）。

The spectral efficiency and pairwise error probability ( PEP ) is also considered .

M序列编码的MSK信号的非相干接收的错误概率

Noncoherent reception error probability for m-sequence coded MSK signals

截短Hamming码和截短R-M码的不可检错误概率

Undetected Error Probability for Shortened Hamming Codes and R-M Codes

在水印图像信噪比受Gaussian加性噪声干扰下降到26dB时，仍实现了对嵌入水印零错误概率的检测。

The watermark can be detected with zero error probability even if the quality of watermarked image is as poor as 26 dB in PSNR after corrupted by additive Gaussian noise .

第4类SAB码的不可检错误概率

Undetected Error Probability for the Fourth Class of SAB Codes

为了分析协作LDPC码性能，拓展传统外信息转移（EXIT）图，推导了基于消息错误概率的双层EXIT图噪声门限分析方法。

To analyze the performance of cooperative LDPC codes , bilayer EXtrinsic Information Transfer ( EXIT ) charts based on message-error rate is devised as an extension of standard EXIT .

非时槽FH-CDMA系统分组错误概率分析

Packet-Error Probability Analysis lor Unslotted FH-CDMA System

本文研究了二元等重码不可检错误概率（UEP）的界。

Bounds of undetected error probability ( UEP ) for binary constant weight codes ( BCWCs ) are studied in this paper .

另一方面，数据业务通常要求非常小的链路错误概率，而空间复用引入的多流干扰（Multi-StreamInterference，MSI）会对系统性能产生严重影响。

At the same time , data services require extremely low link error probability , while unfortunately the spatial multiplexing will introduce the impact of the multi-stream interference ( MSI ) .

从精确成对错误概率（PEP）出发，推导得到了DUST调制群码符号误码率（SEP）的联合边界。

Starting from the precise pair-wise error probability ( PEP ), the joint border of group coding signal error probability ( SEP ) in differential unitary space – time ( DUST ) modulation is deduced .

通过对扩展缩短CRC码的构造方法、最小距离、不可检错误概率、码重分布等进行理论分析和仿真，得到了扩展缩短CRC码的好码，并综合出普遍规律。

Through a performance analysis and simulation on generated methods , maximum minimum distance , undetected error probabilities , code weight distribution , good extended shortened codes are determined and general rule is concluded .

本文从位平面错误概率和校验组数的关系入手，把无反馈信道的分布式视频编码中的码率分配问题看作一个分类问题，提出了一种通过BP神经网络估计码率的方法。

In this paper , starting with the relationship between error propability of a bitplane and parity groups , we treat rate allocation in DVC without FC as a classification problem , and then propose a new scheme to estimate rate based on BP-neural network .

针对MB-OFDMUWB系统的性能特征，基于理论分析系统的成对错误概率，获知编码增益和分集增益的计算公式，从而得到空时频编码方案的设计准则。

Aiming at the performance characteristics of MB-OFDM UWB , the formula for coding gain and diversity gain is worked out based on pairwise error probability of theoretical analyzing system .

信道均衡算法中，基于最大后验概率的均衡算法（maximumaposteriori）是基于平均错误概率最小准则下的最佳算法，但是算法的高复杂度缺点制约了其在实际中的应用。

The equalization algorithm based on maximum a posteriori ( MAP ) estimation is the optimal algorithm which is based on the minimum probability of the error criterion , while the high complexity of the algorithm restricts its practical application .

成对错误概率分析表明：在频率选择性信道中，通过选择最佳的旋转矩阵，这种DSFOFDM系统能实现满分集增益和最大的编码增益。

By analyzing the pairwise error probability ( PEP ), we prove that the DSF OFDM system can achieve full diversity gain and maximum coding gains over frequency selective fading channel by choosing optimum rotation matrix .

针对存在衰落相关性的MIMO信道，提出了利用衰落相关性信息设计差分空时块码的初始化矩阵的方法，设计准则是使差分检测的平均成对错误概率的上界达到最小。

For MIMO channels with fading correlation , a scheme is proposed to design the initialization matrix of differential space-time block code by utilizing the information about fading correlation . The design is conducted by minimizing the upper bound on the average pairwise error probability of the differential detector .

基于句法结构的译文选择将句法上下文集合视为词包，统计集合中各词的词信息和词性信息作为上下文特征，以Bayes最小错误概率公式作为评价函数选择译文。

The translation choice is realized on the basis of a grammar tree and takes the context as a word bag , with the lexicon and POS tag information as context features . The Bayes minimal error probability is taken as the evaluation function of the candidate translation .

4）证明了基于最小均方误差的后向扩散神经网络能使错误概率（误码率）为最小，由此诱导出了又一种MEP均衡实现方法。

Finally it shows that the backpropagation neural nets with appropriate layers and nodes , which take the minimum-mean-squared-error as its optimization goal , also minimize the error probability , thus leading to an - other realization of the MEP equalization .

论文在相关一般信源下推导出Slepian-Wolf系统平均MAP译码错误概率的一个上界，并在此基础上，给出了相关一般信源下Slepian-Wolf定理正命题部分的一个新证明。

An upper bound on the average MAP decoding error probability of Slepian-Wolf systems for correlated general sources is derived , and a new proof of the direct part of the Slepian-Wolf theorem for correlated general sources is given based on this bound .

基于成对错误概率的空时编码性能分析

The performance analysis of space-time codes based on pair-wise error probability

推导了级联码的不可检测错误概率。

A formula of undetectable error probability is ( deduced . )

推导了它们的帧同步错误概率。

The frame synchronization error ratios for both algorithms are derived .

基于最小错误概率变步长的盲均衡算法

Variable Step Size Blind Equalization Algorithm Based on Minimum Error Probability

关于线性分组码的不可检错误概率

Group statistics on undetectable error probabilities of linear block codes