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已知一个点到一条直线的距离，主要用在地图匹配中基于权重地图匹配算法中(Given a point to a straight line distance, mainly used in the map-matching weight based map-matching algorithm)
- 2013-08-21 11:25:55下载
- 积分：1
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Arcgis制图规范符号库
为方便土地利用总体规划编制单位制作土地利用总体规划图件，针对市、县、乡三级土地利用总体规划制图，制作市、县、乡土地利用总体规划必选图件的图式符号库。该图式符号库适用于ArcGIS软件平台下的图件制作(In order to facilitate the land use master planning units to make land use master plan maps, for the city, county, Township three-level land use master plan mapping, the city, county, Township land use master plan must be selected map schema symbol library. The graphic symbol library is suitable for map making under the ArcGIS software platform.)
- 2018-09-24 15:41:32下载
- 积分：1
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Archive
抗任意角度旋转的图像匹配算法的matlab实现(image matching of any rotation )
- 2009-04-05 09:12:05下载
- 积分：1
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PSIR_ISIR_IRW
计算点目标成像的峰值旁瓣比，积分旁瓣比，分辨率(Calculate peak sidelobe ratio, integral sidelobe ratio and resolution of point target imaging)
- 2021-01-07 11:28:52下载
- 积分：1
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zidongduoyuzhi
图像的自动多阈值分割，可以进行灰度图像的自动分割。(Automatic multi-image threshold segmentation, gray-scale images can be automatically split.)
- 2008-12-19 21:52:38下载
- 积分：1
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MatlabMie
多层mie散射程序,可以模拟多层粒子的散射情况。(multi-layer mie scatter )
- 2010-01-17 18:53:11下载
- 积分：1
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tvreg
全变差图像处理方法，利用全变差做图像去噪、去卷积和修复(The tvreg package is a collection of MATLAB functions for total variation (TV) based image denoising, deconvolution, and inpainting, and an implementation of Chan-Vese segmentation)
- 2009-12-20 16:47:54下载
- 积分：1
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falpha
一个计算多重分形谱的matlab程序，希望对大家有用。(a calculation of the multi-fractal spectrum of Matlab procedures in the hope that it may be useful right.)
- 2006-12-26 16:56:25下载
- 积分：1
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Color-gamut-calculation
根据输入的色坐标自动计算出色域,并标注在CIE-1931色度图上.(Automatically calculate based on the input color coordinates of the gamut, and marked in the CIE-1931 chromaticity diagram....
)
- 2012-02-24 12:45:07下载
- 积分：1
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Locating-Voltage-Sags
电压跌落是最严重的动态电能质量问题之一，
精确定位电压跌落起止时间是应对电压跌落问题的
重要前提和基础。由于电压采样信号往往有噪声分
量，现有的方法在定位电压跌落的起止时间时存在
局限性。本文提出利用多小波变换及相邻系数去噪
的电压跌落定位方法。多小波兼有对称性、正交性、
有限支撑性和二阶消失矩等优异的信号处理性能，
利用GHM多小波可以准确定位电压跌落起止时间。
多小波变换系数在每层之间具有对应关系，多小波
相邻系数将紧相邻的若干个系数作为一个整体来确
定阈值，考虑了系数之间的相关性，能获得更好的
去噪效果。通过 Matlab 进行仿真验证，仿真结果表
明，所提出的方法的正确性。
(Voltage sag is one of the most serious
dynamic power quality problems. Critical start-time
and end-time are important indices for voltage sags.
But the sampling signals often have noisy component,
the locations of start-time and end-time are hard to get.
Wavelet is an effective tool for those non-stationary
signal processing and has been used in this field. Local
feature in the signal can be enlarged after the
transformation using the scalar wavelet. But scalar
wavelets cannot contain orthogonality, symmetry,
compact support and higher order of vanishing
moments simultaneously. In this thesis, multi-wavelets
GHM is used to detect and locate power quality
disturbances. Multi-wavelets offer many excellent
properties such as the same approximation order but
more compact support. The dependence of the
multi-wavelets coefficients varies with the level, so
neighboring coefficien)
- 2014-03-25 17:08:50下载
- 积分：1
