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logrank
比较生存曲线可以用统计假设测试日志秩检验。它是用来测试的零假设,没有任何区别的人口的生存曲线(即概率事件发生在任何时间点是相同的每个人口).这个函数使用卡普兰曲线的程序来估计生存函数.(Comparison of two survival curves can be done using a statistical hypothesis test called the log rank test. It is used to test the null hypothesis that there is no difference between the population survival curves (i.e. the probability of an event occurring at any time point is the same for each population). This function use the Kaplan-Meier procedure to estimate the survival function, so it is mandatory to download
)
- 2012-04-09 21:18:32下载
- 积分:1
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fir_lin_phase_lowpass_min_ripple
Designs a linear phase FIR lowpass filter such that it:
- minimizes the maximum passband ripple
- has a constraint on the maximum stopband attenuation( This is a convex problem.
minimize delta
s.t. 1/delta <= H(w) <= delta for w in the passband
|H(w)| <= atten_level for w in the stopband
where H is the frequency response function and variables are
delta and h (the filter impulse response).
)
- 2011-05-27 21:49:03下载
- 积分:1
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InvCWT
This collection of files is an extension of the wavelet software package originally written by Torrence and Compo (http://paos.colorado.edu/research/wavelets/software.html)
The main functions are:
1. contwt.m: (continuous wavelet transform). This is essentially Torrence and Compo s wavelet.m with a few modifications (more inputs and outputs for easier access)
2. invcwt.m: inverse continuous wavelet transform.
- 2011-08-18 18:50:16下载
- 积分:1
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DS_walch_bit
rake接收,walsh码直接扩频,三种分集合并方式(rake receiver, walsh code direct spread spectrum, three kinds of collection and methods)
- 2021-03-28 02:29:11下载
- 积分:1
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212juanjima
(2,1,2)卷积码编硬译码matlab程序,适合学习信道与编码的初学者((2,1,2) convolutional code encoding hardware decoding matlab program for learning channel coding for beginners)
- 2014-09-14 16:42:50下载
- 积分:1
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Latin-hypercube-sampling
拉丁超立方体抽样,是一种初始化常用的方法,使得种群初始化更均匀(Latin hypercube sampling is a common method of initialization, which makes the population initialization more uniform)
- 2021-03-03 20:49:33下载
- 积分:1
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MATLABbasis
该书介绍了Matlab的使用,其主要内容包括:MATLAB 入门及基本操作,数组、矩阵的使用及数据可视化方法,脚步文件及函数的编写,以及仿真、图形用户界面入门等。(The book describes the use of Matlab, and its main contents include: MATLAB Introduction and basic operation, array, matrix use and data visualization methods, the pace of preparation of documents and functions, as well as simulation, graphical user interface, such as entry.)
- 2007-10-24 11:27:07下载
- 积分:1
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1114
说明: 有关自动控制方面的一阶微分响应,matlab仿真程序(control of the first order differential response Matlab simulation program)
- 2006-03-24 23:12:02下载
- 积分:1
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SFDR
基于铌酸锂MZ调制器,通过展开,计算其三阶互调失真以及SFDR等(Based on lithium niobate MZ modulator, by expanding to calculate the third-order intermodulation distortion and SFDR etc.)
- 2014-02-25 00:11:12下载
- 积分:1
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点云数据到平面的距离
说明: 该代码可求解点云数据中每一个点到A、B、C所确定的平面的距离(The code can solve the distance from each point in point cloud data to the plane determined by A, B and C.)
- 2020-11-15 14:39:41下载
- 积分:1