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DTMB_Modulator1111
本总体方案完成国标GB20600-2006数字电视地面广播传输系统基带部分功能。 输入数据码流经过扰码器(随机化)、前向纠错编码(FEC),然后进行比特流到符号流的星座映射,再进行交织后形成基本数据块,基本数据块与系统信息组合(复用)后并经过帧体数据处理形成帧体,帧体与相应的帧头(PN序列)复接为信号帧(组帧),经过基带后处理转换为输出信号(8MHz带宽内)。该信号经变频转换为射频信号(UHF和VHF频段范围内)。用C程序设计了图形交互界面,可以在界面上直接设置调制参数。(The overall program completion GB GB20600-2006 digital terrestrial television broadcasting transmission systems baseband function. The input data stream through the scrambler (randomization), forward error correction (the FEC), then the symbol constellation mapping bitstream to the stream, and then after forming the basic block interleaving, the basic data block and information combined system ( multiplexing) after data processing and after the frame body forms a frame body, frame body with a corresponding header (PN sequence) multiplexed signal frame (framing), after post-processing baseband signal is converted to an output (internal 8MHz bandwidth). The signal is downconverted to a radio frequency signal (in the VHF and UHF frequency range). C program designed graphical interface, you can set modulation parameters directly on the screen.)
- 2021-01-29 23:48:41下载
- 积分:1
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opencamlib-master
一个C++库,用于CNC数控加工之CAM处理。(OpenCAMLib (ocl) is a c++ library for creating toolpaths for cnc-machines
such as mills and lathes.)
- 2016-01-25 16:14:20下载
- 积分:1
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dianyabiao
51单片机。AD0832设计的电压表32X16点阵显示(51 single. AD0832 design voltmeter 32X16 dot matrix display)
- 2014-04-24 18:15:40下载
- 积分:1
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ALIENTEK-MiniSTM32-DHT11-
stm32 mini板dht11温湿度测试程序(stm32 mini board dht11 temperature and humidity testing procedures)
- 2021-01-19 17:18:41下载
- 积分:1
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Automatic-traffic-control-system-
自动交通控制系统用红、绿、黄三支共两组发光二极管表示交通信号灯,利用单片机模拟有时间显示的定时交通信号灯控制管理。信号灯的变化规律可如下:
1)放行线:绿灯亮放行25秒,黄灯亮警告5秒,然后红灯亮禁止。
2)禁示线:红灯亮禁止30秒,然后绿灯亮放行。
3)当某一方向的红灯亮时,若该方向有车通过,则用扬声器声报警。(撞红灯信号可用3-5V模拟量表示)(Automatic traffic control system using red, green, yellow light-emitting diodes, said a total of three traffic lights, the use of single-chip analog time display on a regular traffic signal control and management. Changes of lights to be as follows: 1) Release Line: green clearance 25 seconds, the yellow light warning for 5 seconds, then the red light is prohibited. 2) ban shows lines: the red light is prohibited for 30 seconds, then the green light to release. 3) When the red light in one direction, if the direction of the car through, the alarm speaker sound. (Hit the red signal available 3-5V analog representation))
- 2013-12-19 18:26:11下载
- 积分:1
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LedBuzzer
点阵LED、数码管、独立LED和无源蜂鸣器的驱动模块(Dot matrix LED, digital control, independence and passive buzzer LED driver module)
- 2016-01-17 21:37:00下载
- 积分:1
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AD9958
AD9858:频率从1M~120M输出可设置。通过测试。(AD9858: frequency from 1M ~ 120M output can be set. Pass the test.)
- 2021-04-08 15:49:00下载
- 积分:1
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old6
说明: 独居老人监控系统
使用80c51f020编程
具体的使用方法和接口,里面有(Elderly people living alone monitoring system using 80c51f020 programming methods and the use of specific interfaces, which has)
- 2011-03-24 19:07:28下载
- 积分:1
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spi_test
IC(PIC16F690)驱动程序C语言代码,为需要帮助的人提供方便,互相帮助!(IC (PIC16F690) driver C language code, for the people who need help to facilitate and help each other!)
- 2013-06-24 09:20:05下载
- 积分:1
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chuanxing-da
串行da模块的应用,和单片机通信,通过单片机控制da模块(Serial da module application, and single-chip communication, via da MCU control module)
- 2013-07-18 02:57:14下载
- 积分:1