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8人抢答器
说明： 基于AT89C51单片机设计制作一个抢答器，具体要求如下：
1、 设计一个智力竞赛抢答器，可同时共8名选手参加比赛，编号为1、2、3、4、5、6、7、8，各用一个按键。
2、 用一个按键作为主持人总开关，用来控制系统的清零和抢答的开始。
3、 抢答器开始后，数码管开始10秒倒计时，若有选手按动抢答按钮，在LED数码管上显示选手的编号，同时灯亮且伴随声音提示；倒计时完成后，选手不能在抢答；有人抢答成功后，要禁止其他选手抢答；最先抢答选手的编号一直保留到主持人将系统清零。(Based on AT89C51 single chip computer, a rush answerer is designed and manufactured. The specific requirements are as follows:
1. Designing an intelligence contest answering machine, which can be attended by 8 competitors at the same time, numbered 1, 2, 3, 4, 5, 6, 7 and 8, each with a button.
2. A key is used as the master switch of the host, which is used to clear the zero of the control system and start the rush response.
3. After the answering machine starts, the digital tube counts down 10 seconds. If a player presses the answering button and displays the player's number on the LED digital tube, the light is on and accompanied by sound prompts. After the countdown is completed, the competitor can't rush to answer. When someone rushes to answer successfully, other competitors are forbidden to rush to answer. The number of the first competitor is kept until the host clears the system.)
- 2019-03-15 22:25:56下载
- 积分：1
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1998-J.H.-Stock--M.W
1998-J.H. Stock, M.W. Watson Business Cycle fluctuations in US macroeconomic time series.pdf
- 2012-05-03 19:21:15下载
- 积分：1
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solve-9-9-Sudoku
用于解决9*9的数独，功能不完善,只能给出所有结果中的一种。(to solve Sudoku 9* 9 , function is not perfect.)
- 2011-02-11 15:23:36下载
- 积分：1
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addressBook
地址薄，姓名，性别，年龄，邮编，email，等可以添加删除(Address book, name, gender, age, zip code, email, etc. Can add or remove
)
- 2015-12-22 16:01:08下载
- 积分：1
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在程序中如何更改缺省打印机，在vb下如何做到？
在程序中如何更改缺省打印机，在vb下如何做到？-In the procedure how to change the default printer in vb how to do this?
- 2023-01-29 14:40:04下载
- 积分：1
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实时数据以web图形方式显示，ISAPI实现，包括系统图和历史曲线，这是多年前自己在电厂DCS数据采集实施项目开发的，绝对个人作品。...
实时数据以web图形方式显示，ISAPI实现，包括系统图和历史曲线，这是多年前自己在电厂DCS数据采集实施项目开发的，绝对个人作品。-distribute control system data collection， show data in web style，ISAPI and C++ Builder。
- 2023-07-17 20:20:03下载
- 积分：1
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DBN-ELM-regression-master
说明： DBN模型实现分类与回归功能，minister数据集实验准确率可以达到98%。(DBN model realizes the function of classification and regression, and the experimental accuracy of minister data set can reach 98%)
- 2021-03-26 21:25:17下载
- 积分：1
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3D迷宫游戏的源程序。vb写的，很好的学习素材
3D迷宫游戏的源程序。vb写的，很好的学习素材-3D maze game of the source. Vb writing, good learning materials
- 2023-08-24 10:15:03下载
- 积分：1
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fangzhen
基于模糊自适应pid的电机矢量控制，通过使用模糊自适应pid提高了电机的控制性能(Based on fuzzy adaptive pid motor vector control, the control performance of the motor is improved by using fuzzy adaptive pid)
- 2017-04-13 14:57:23下载
- 积分：1
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合成孔径雷达干涉测量技术 INSAR
合成孔径雷达干涉测量技术（INSAR，Interferometric Synthetic Aperture Radar；简称：干涉雷达测量）是以同一地区的两张SAR图像为基本处理数据，通过求取两幅SAR图像的相位差，获取干涉图像，然后经相位解缠，从干涉条纹中获取地形高程数据的空间对地观测新技术。(INSAR (Interferometric Synthetic Aperture Radar) is a new technology of space-to-Earth observation, in which two SAR images in the same area are used as basic processing data. The phase difference between two SAR images is calculated to obtain the interferometric image, and then the terrain elevation data is obtained from the interferometric fringes by phase unwrapping.)
- 2018-12-19 16:40:09下载
- 积分：1
