查询词典 expression error

A method for protecting channel error code resistance ability of low speed vocoder includes applying improved Chinese plain code and BCH code to separately protect voice parameter in voiceless and voiced sound frames at coding end, using BCH code to recover relevant parameters of voiceless sound frame and using maximum post verification probability rule to recover parameter of voiceless sound accurately for voiced sound frame then using line spectrum to parameter anti-error code algorithm to recover line spectrum to parameter at decoding end.

该方法在编码端改变2.4kb/s SELP编码后清音帧清浊音参数的发送模式；采用BCH码和改进的(7，4)汉明码分别保护清音和浊音帧中的语音参数；在解码端，根据信源信道的联合特性采用分支判决确定清浊音；对于清音帧采用相应BCH码恢复出对应参数，对于浊音帧采用基于长时统计特性的最大后验概率准则恢复清浊音参数，并解码出线谱对参数第一级并对残留误码的线谱对参数采用线谱对参数抗误码算法恢复。

The packet error rate and channel estimation are used to compute the adaptive threshold in order to maximize spectral efficiency under given delay and error performance constraints.

该技术结合了传统物理层自适应调制和链路层自动请求重发，利用链路层的误包率和信道估计参数计算自适应调制门限，在系统给定时延和误包率约束的基础上最大程度地提高了频谱利用率。

Spell-checking function, mainly used in the spelling of the English version of the legitimacy of the check, and places an error marker and tips; format and grammar check function, mainly for the English version of a common and simple text format to standardize the English grammar inspection, and where error handling, to support those who should be screened for entry in order to reduce unnecessary consumption of the artificial.

摘要如下：拼写检查工具作为现代信息处理中不可或缺的一环，已经在原来的文字处理领域有了长足发展。拼写检查功能，主要用于英文文本的拼写合法性的检查，并对出错的地方进行标记及提示；格式及语法检查功能，主要用于英文文本中常见的文本格式及简单的英文语法进行标准化检查，并对出错的地方进行处理，以辅助录入者进行筛选，以减轻不必要的人工消耗。

Experimental results show that the entropy of the error image using VQ based on information distortion measure is about 0.05bpp lower than that on Euclidean square error measure.

与常用的矢量量化失真测度———欧几里德平方误差测度相比，该算法在不增加运算复杂度的情况下，矢量量化后的误差图像的熵值能够降低 0 0 5bpp左右。

It checks if the error is a standard Win32 error code in the following line

它检查，如果错误是一个标准的Win32以下行错误代码

This paper is concerned with two problems: First, a formula is derived to estimate the error of system identification from the autoeorrelative function of stationary random disturbances and that of pseudo-random sequences. It can be used to select the type of pseudo-random sequences to be used for quick identification with a given error.

本文讨论了两个问题：(1)导出了平稳随机干扰的自相关函数、伪随机序列的自相关函数和系统脉冲响应辨识误差之间的定量关系式，可用来选择伪随机序列和估计试验误差。

Secondly, when kalman filter has reached steady state its error covariance will have a very small stationary value, namely filter dropping off'. Thirdly, the traditional kalman filter cannot adjust its filter parameters with statistic characteristic of the noise. To overcome the deficiency of kalman filter, an SVD-based adaptive kalman filter is put forward in the paper. The filter restrains the filter divergence by matrix singular value decomposition. The eigenvalues and eigenvectors of the matrix are insensitive to tiny change of matrix element and acceptable error.

然而，传统的卡尔曼滤波器存在以下问题：问题一，因噪声统计特性估计不准确和计算机舍入误差引起的滤波发散现象；问题二，在卡尔曼滤波器达到稳态时，其误差方差阵将饱和使其对信号的突变变得不敏感，问题三，传统的卡尔曼滤波器对滤波参数无自适应能力，不能随着噪声统计特性的改变而调整自身的滤波参数。

Matlab channel model, the right OFDM Channel modeling, statistical probability of error, and direct transmission error rates.

matlab信道模型，对OFDM信道建模，统计错误概率，并于直接传输的错误率比较。

Used a statistical error rate target socket and use real-time transmission of the small interface procedures, statistical error can b...

一个用来统计误码率并利用socket对象实时发送的小的界面程序，可以配置误码统计的参数。

This thesis discusses the main reasons that the look direction error occurs under the conditions of RS imaging environment, and proposes an approach based on statistical method to correct the error.

本文则从地表微平面反射的角度，分析了地表地形对遥感成像辐射信息的影响，探讨了由成像环境因素引起的视角辐射误差产生的原因及其改正的方法。

Don not attempt to do something which you can not to do.

不要企图做那些办不到的事情。

The expression of CTGF and TNF-αweredetected by immunochemistry and the number of Clara Cells was calculated.

光镜下观察肺组织的病理变化，采用免疫组化染色观察肺组织中结缔组织生长因子和肿瘤坏死因子-α的表达和Clara细胞的数量。