搜索：function - 虫虫下载站

通讯/手机编程  在三条径的瑞利信道中

在三条径的瑞利信道中，对于直接序列扩频： (1) 请设计DS-CDMA一种具体的码分导引辅助的信道估计方法，接收机分别采用等均益合并、最大比合并。用Simulink进行仿真，测量BPSK的误码率性能，画出比特信噪比与信道估计均方误差的关系曲线，画出比特信噪比与误码率的关系曲线，请解释在误码率为0.01时，两种合并方式所表现的 ...

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matlab例程  用Simulink仿真卷积编码

用Simulink仿真卷积编码，并用Viterbi译码的方法进行解码，其中的编解码全部自己编写代码(S-Function方式)

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其他  Excel的强大函数功能

Excel的强大函数功能，为我们带来了极大方便，虽然它有200多个函数，但有时我们为实现一项规定的功能，可能用到几个函数或者采用嵌套函数，这样应用起来，也不太方便。其实对于我们经常用到的功能，我们可以创建自定义函数UDF(User—defined function)，它的运行与Excel中自带的函数完全相同。建立自定义函数有以下几个优点 ...

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其他  documentation for optimal filtering toolbox for mathematical software package Matlab. The methods i

documentation for optimal filtering toolbox for mathematical software package Matlab. The methods in the toolbox include Kalman filter, extended Kalman filter and unscented Kalman filter for discrete time state space models. Also included in the toolbox are the Rauch-Tung-Striebel and Forward-Backwa ...

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其他书籍  documentation for optimal filtering toolbox for mathematical software package Matlab. The methods i

documentation for optimal filtering toolbox for mathematical software package Matlab. The methods in the toolbox include Kalman filter, extended Kalman filter and unscented Kalman filter for discrete time state space models. Also included in the toolbox are the Rauch-Tung-Striebel and Forward-Backwa ...

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matlab例程  The BNL toolbox is a set of Matlab functions for defining and estimating the parameters of a Bayesi

The BNL toolbox is a set of Matlab functions for defining and estimating the parameters of a Bayesian network for discrete variables in which the conditional probability tables are specified by logistic regression models. Logistic regression can be used to incorporate restrictions on the conditional ...

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数学计算  cordic methods describe essentially the same algorithm that with suitably chosen inputs can be used

cordic methods describe essentially the same algorithm that with suitably chosen inputs can be used to calculate a whole range of scientific functions including sin, cos, tan, arctan, arcsin, arccos, sinh, cosh, tanh, arctanh, log, exp, square root and even multiply and divide. the method dates ba ...

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GPS编程  This is GPS Acquisition..by Matlab, this file performs cold start acquisition on the collected "data

This is GPS Acquisition..by Matlab, this file performs cold start acquisition on the collected "data". It searches for GPS signals of all satellites, which are listed in field "acqSatelliteList" in the settings structure. Function saves code phase and frequency of the detected signals in the "acq ...

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GPS编程  This is GPS Matlab findPreambles finds the first preamble occurrence in the bit stream of each ch

This is GPS Matlab findPreambles finds the first preamble occurrence in the bit stream of each channel. The preamble is verified by check of the spacing between preambles [6sec] and parity checking of the first two words in a subframe. At the same time function returns list of channels, that a ...

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其他书籍  Fast Fourier Transform power point The rectangular window introduces broadening of any frequency co

Fast Fourier Transform power point The rectangular window introduces broadening of any frequency components [`smearing鈥? and sidelobesthat may overlap with other frequency components [`leakage鈥?. 鈥he effect improves as Nincreases 鈥owever, the rectangle window has poor properties and better c ...

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