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是程序计算从选定的点的地形图的可见性。我..
这个程序可以计算给定点处的小区信号范围覆盖。-is program computes a map of visibility from a selected point on a topography. It has been written to help the search for radio relay best location. Because it considers only direct line of sight, it gives a good estimation for possible radio link for short distances only (less than 10 km), neglecting curvature of the Earth, Fresnel zone and atmospheric refraction on radio waves propagation. The program computes the relative elevation angle of the mask for each point (the angle is null or negative if the point is visible).
The function needs a digital elevation model Z and associated (X,Y) vectors or matrices of coordinates (same unit as Z), position of the point (X0,Y0), the antenna height H0 (for instance 4 m), and the hypothetic antenna height Ha on each topography points (for instance 3 m). When no output argument is given, the function plots a map of the results (color map of mask angles, and blank for visible points, see example screenshot).
The s
- 2022-06-27 17:42:17下载
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mstar_image
说明： How to prepare Images for Mstar SSC325.
- 2020-02-27 12:14:42下载
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μCOS-II_2.92 API函数详解 v2.0.pdf
说明： 介绍usoc 接口使用方法,为开发者提供方便(ucos api,all interface such as task,tmr,interrupt.)
- 2020-03-24 09:54:24下载
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DeviceNet_Safety_v3.30
说明： devicenet safety omron
- 2020-06-25 18:40:01下载
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这teechart.ocx Visual Basic。
This TeeChart.ocx for Visual Basic.
- 2022-08-12 20:09:59下载
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Snake
贪吃蛇的小游戏，蛇身由可扩容数组组成，并且可以穿墙(简单实现 可穿墙的贪吃蛇小游戏)
- 2013-10-15 00:15:16下载
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Neural networks : an introduction/B. Muller, J. Reinhardt. The book matching flo...
Neural networks : an introduction / B. Muller, J.Reinhardt. 此书的配套软盘-Neural networks : an introduction/B. Muller, J. Reinhardt. The book matching floppy
- 2022-01-27 14:56:40下载
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3D柱形图柱状图动画
说明： CSS3 3D柱形图柱状图动画，纯CSS3代码，DIV+CSS布局，多个3D柱状图从低到高排列。(CSS3 3D bar graph animation, pure CSS3 code, DIV + CSS layout, multiple 3D bar graphs from low to high.)
- 2019-03-30 14:22:42下载
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2016挑战赛文件
此文件为2016年心音挑战赛的相关文件，包括分割与正常异常分类，也包含301条心音数据和标签。(This document is related to the Heart Sound Challenge in 2016, including segmentation and normal anomaly classification. It also contains 301 heart sound data and labels.)
- 2021-04-21 14:08:49下载
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asedemo
说明： demo for ase database, powerbuilder
- 2019-01-03 23:55:41下载
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