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数字电视标准综述,本文从数字电视技术标准所起的作用，美国ATSC标准，欧洲DVB标准，日本ISDB标准，DVB与 ATSC的比较，三种标准的数字地面广播系统比较...
数字电视标准综述,本文从数字电视技术标准所起的作用，美国ATSC标准，欧洲DVB标准，日本ISDB标准，DVB与 ATSC的比较，三种标准的数字地面广播系统比较，我国数字广播电视标准化工作的现状等方面，详细地介绍了数字电视标准。 -Summary of digital TV standards, this article from the digital television technical standards the role of American ATSC standard, the European DVB standard, the Japanese ISDB standard, DVB and ATSC of comparison, the three standard digital terrestrial broadcasting system comparison, China
- 2022-10-23 19:25:03下载
- 积分：1
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useful to look at the
c9百例有用的来-useful to look at the
- 2022-08-23 15:37:43下载
- 积分：1
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连接发电机组控制台的后台程序，要求控制器支持MODBUS协议
连接发电机组控制台的后台程序，要求控制器支持MODBUS协议-Generating units connected console daemon requires the controller to support the MODBUS protocol
- 2022-09-23 07:50:08下载
- 积分：1
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an intermediary management system, it contains the original source and backgroun...
一个中介管理系统，里面含有原代码和后台数据，我们在做任何中介系统时都可以采纳这个系统的内容，可以运行。-an intermediary management system, it contains the original source and background information, we do any intermediary system can be adopted this system, and can run.
- 2022-06-18 15:12:36下载
- 积分：1
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RLE8压缩的LabVIEW源程序，这个是游程压缩算法
RLE8压缩的LabVIEW源程序，这个是游程压缩算法-LabVIEW source RLE8 compression, this is a run-length compression algorithm
- 2022-02-11 13:31:02下载
- 积分：1
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the boat are so strong that it can afford two item
the boat are so strong that it can afford two item
- 2022-02-13 07:50:28下载
- 积分：1
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AU1200平台的SDIO的驱动程序，其它平台可以提供参考
AU1200平台的SDIO的驱动程序，其它平台可以提供参考-Au1200 platform SDIO drivers, other platform can provide a reference
- 2022-10-31 11:50:03下载
- 积分：1
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verilog 实现的CPU，用Modelsim SE 6.2b 创建的工程，包含测试文件。...
verilog 实现的CPU，用Modelsim SE 6.2b 创建的工程，包含测试文件。- CPU of verilog implementation
- 2022-03-18 07:33:10下载
- 积分：1
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System Dynamics Simulation Software vesim the Chinese user manual is described i...
详细介绍了系统动力学仿真软件vesim的中文用户手册。
- 2022-03-20 17:28:24下载
- 积分：1
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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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