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LTEchannelmatrix
该代码是lte信道的仿真源码，用于仿真lte上行链路(The code is emulation lte source channel for the uplink simulation lte)
- 2010-12-17 10:40:32下载
- 积分：1
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trans_sigPnoisePinterference
根据直扩原理，首先有随机数发生器产生一系列二进制信息数据（+1，-1），每个信息比特重复Lc次，Lc对应每个信息比特所包含的伪码片数，包含每一比特Lc次重复的序列与另一个随机数发生器产生的PN序列c(n)相乘。然后在该序列上叠加高斯白噪声和形式为i(n)=Acosw0n余弦干扰下次信号，切余弦干扰信号的振幅满足条件A<Lc。在解调器中进行与PN序列的互相关运算，并且将组成各信息比特的Lc个样本进行求和。加法器的输出送到判决器，将信号与门限值0进行比较，确定传送的数据为+1还是-1，计数器用来记录判决器的错判数目。(According to the principle, first some straight expansion random number generator produces a series of binary data (+ 1-1), each information bit repetitive Lc times, Lc for each information bit contains PN code piece count, embraces each bit Lc times repeated sequence and another random number generator produces PN sequence c (n) multiplication. Then in the sequence superimposed on gaussian white noise and forms as I (n) = Acosw0n cosine interference next time signal, cut cosine interfering signal amplitude satisfy conditions A < Lc. In the modem with the cross-correlation operation PN sequence, and the information will comprise the Lc a sample bits peace. The output of the adder judgment device, will signal to compare with threshold 0 data transmitted, determine for+ 1 or-1, counter is used to record the number victimised judgment.
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- 2011-04-20 10:18:47下载
- 积分：1
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敏感性分析
说明： 参考维基百科（https://en.wikipedia.org/wiki/Variance-based_sensitivity_analysis）的取样过程以及对应的Estimators。理论性的东西就不进行复述了，这里主要阐述用MATLAB（R2018b）对某个特定函数进行Solo indices敏感性分析的过程。大致可分为四个过程：采样，构建函数，函数输出（将样本带入函数得到输出值），计算Sobol指数（估算一阶影响指数和全局影响指数）(Sobol global sensitivity analysis)
- 2021-03-31 20:29:08下载
- 积分：1
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shuchufenlei
说明： 软测量氧含量数据工况聚类、建模matlab实现代码3(Measuring the oxygen content of soft data clustering conditions, modeling matlab implementation code 3)
- 2011-04-13 14:49:10下载
- 积分：1
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Newtoninter
牛顿插值法，可用于非线性拟合，并返回在某点出的近似函数值。(Newton interpolation method can be used for nonlinear fitting, and the function returns the approximate value at some point out.)
- 2015-08-09 17:23:13下载
- 积分：1
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ANP
网络分析法(ANP)作为一种决策过程，它提供了一种表示决策因素测度的基本方法。这种方法采用相对标度的形式，并充分利用了人的经验和判断力。在递阶层次结构下，它根据所规定的相对标度—比例标度，依靠决策者的判断，对同一层次有关元素的相对重要性进行两两比较，并按层次从上到下合成方案对于决策目标的测度。(As an decision-making process, Network Analysis (ANP) provides a basic method for measuring the measurement of decision factors.This approach takes the form of a relative scale and takes full advantage of human experience and judgment.Under the hierarchical structure of the hierarchy, it relies on the relative scale of the scale-scale scale, and relies on the judgment of the decision makers to compare the relative importance of the elements of the same level in pairs, and to synthesize the scheme from top to bottom according to the hierarchy.)
- 2021-03-06 18:09:30下载
- 积分：1
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low-noise
主要讲解的低噪比下跳频信号的调速估计问题，可以作为一定的参考(The main explanation of the low-noise ratio of the speed estimation of frequency hopping signals, can be used as a reference)
- 2010-05-06 13:32:04下载
- 积分：1
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acr
Simulink下的电流闭环控制系统仿真，可根据需要修改Transfer Fcn1中的参数，找到一个在超调量和动态响应快慢上都比较满意的电流环调节器。(Simulink, the current closed-loop control system simulation, according to the need to modify the parameters Transfer Fcn1 find an overshoot on the dynamic response speed are more satisfied with the current loop regulator.)
- 2010-11-25 16:03:48下载
- 积分：1
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V1Features
This is an archive for feature extraction.
- 2013-04-05 20:00:18下载
- 积分：1
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matlab_2_code
matlab 数值分析 书中代码详解 齐全 例题和答案都有(Detailed numerical analysis book matlab code examples and answers have complete)
- 2015-03-25 20:07:27下载
- 积分：1
