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非线性方程的数值解法matlab程序
说明： 可实现正割法求解，牛顿法，迭代法，抛物线求根(Can achieve secant method, Newton method, iterative method, parabolic root)
- 2021-03-30 17:42:23下载
- 积分：1
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能量检测法源代码
能量检测法是一种比较简单的信号检测方法[1]， 属于信号的非相干的检测， 直接对时域信号采样值求模，然后平方即可得到；或利用FFT转换到频域，然后对频域信号求模平方也可得到。它无需知道检测信号的任何先验知识，对信号类型也不作限制。
实际上，能量检测是在一定频带范围内作能量积累，如果积累的能量高于一 定的门限，则说明信号的存在；如果低于一定的门限，则说明仅有噪声。能量检 测的出发点是信号加噪声的能量大于噪声的能量。能量检测方法对信号没有作任何假设，是一种盲检算法。
此代码“利用FFT转换到频域，然后对频域信号求模平方”方法来实现对用户的检测。(In fact, energy detection is used for energy accumulation in a certain frequency range. If the accumulated energy is higher than a certain threshold, the existence of the signal is indicated. If the threshold is lower than the threshold, then only noise is indicated. The starting point of energy detection is that the energy of signal plus noise is greater than that of noise. The energy detection method does not make any assumptions about the signal, and it is a blind detection algorithm.
This code "converts the frequency domain into the frequency domain by FFT, then calculates the square of the square of the frequency domain signal" to realize the detection of the user.)
- 2021-04-29 16:18:42下载
- 积分：1
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555712
RGB颜色转换源码程序，根据RDB颜色组成结构，使用位运算实现RGB颜色转换。(RGB color conversion source program, according to RDB color composition structure, using bit operations to achieve the RGB color conversion.)
- 2014-12-09 22:47:54下载
- 积分：1
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斑点检测
通过准确的图像预处理和最小外接矩形方法，准确定位斑点位置和求取面积(Accurate location and area of spots are located accurately by accurate image preprocessing and minimum external rectangle method)
- 2020-07-03 05:20:02下载
- 积分：1
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DCT
解决图像的DCT变换与逆变换，为JEPG压缩做铺垫(To solve the image DCT transform and inverse transform, in order to pave the way for JEPG compression)
- 2009-10-24 18:38:40下载
- 积分：1
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Grawing
画图程序 画直线 矩形 圆 椭圆 可填充(draw line .rectangle .circle .roundrectangle. can be filled)
- 2009-05-05 17:45:43下载
- 积分：1
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correlation
用于判断高光谱图像多个波段之间的相关性系数(Hyperspectral images to determine the correlation between multiple-band coefficient)
- 2021-03-21 15:19:17下载
- 积分：1
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Matlabexamples
说明： 利用matlab所编程的许多例子，帮组大家学习matlab(Matlab programming by using many examples to help everyone learn matlab Group)
- 2008-08-26 17:03:46下载
- 积分：1
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adapt_threshold
自适应阈值算法将前景从背景中分离出来包括非均匀光照。(Adaptive threshold algorithm to the prospect of separating from the background, including non-uniform illumination.)
- 2009-05-15 12:45:16下载
- 积分：1
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GNSS_spectrum
说明： 计算导航信号不同调制方式的功率谱，包括bpsk，mboc等调制方式(Calculate the power spectrum of different modulation methods of navigation signal)
- 2020-10-21 09:58:27下载
- 积分：1
