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4×4矩阵键盘识别处理,键盘处理程序的任务是:确定有无键按下

4×4矩阵键盘识别处理,键盘处理程序的任务是:确定有无键按下,判断哪一个键按下,键的功能是什么;还要消除按键在闭合或断开时的抖动。
2017-05-21 00:13:02 下载 99 查看 1,073
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数字语音是信号的一种

数字语音是信号的一种,我们处理数字语音信号,也就是对一种信号的处理,那信号是什么呢? 信号是传递信息的函数。离散时间信号——序列——可以用图形来表示。
2017-08-15 00:15:02 下载 190 查看 1,086
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数字电钢琴(单片机)

不同的音调产生原理又是什么?而若是改变它们的音调,不知道会不会很麻烦,其电路要重新制作吗?系统会怎么修改?
2024-12-21 12:20:03 下载 7 查看 1,743
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《工作赢在心态》读后感

一个幼儿教师,一个合格的幼儿教师,首先要具备的是什么?可能有人会说:是扎实的基本功,是爱。这些我都赞同,但我觉得最应该具备的是强烈的责任心,责任感,没有强烈的责任感,责任心,一切都无从谈起。
2025-05-16 03:10:01 下载 2 查看 4,893
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信号链和PLC是如何影响我们的生活

Abstract: It is incredible how many programmable logic controls (PLCs) around us make our modern
2013-11-10 21:40:01 下载 89 查看 1,042
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在单端应用中采用差分I/O放大器

Since many lowvoltageapplications are single-ended, the questions arise,“How can I use a differential
2013-11-23 20:16:02 下载 165 查看 1,056
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手持式高功率电池充电器

 

As the performance of many handheld devices approachesthat of laptop computers
2013-11-23 09:40:01 下载 87 查看 1,058
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无线电设计入门资料

Abstract: The process of designing a radio system can be complex and often involves many project
2013-12-13 05:25:01 下载 36 查看 1,080
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Robustnesstochangesinilluminationconditionsaswellas viewing perspectives is an important requirement

Many algorithms have beenproposed in the literature that deal with shadows.
2014-01-23 09:18:15 下载 174 查看 1,088
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vs.net技术内幕 The release of the Microsoft Visual Studio .NET (and Visual C++ .NET in particular) has

Visual C++ .NET also includes many new features such as managed code extensions for .NET programming,
2015-12-26 20:46:01 下载 24 查看 1,091
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The Rails Cookbook is is packed with the solutions you need to be a proficient developer with Rails,

Using the many Rails plugins Working with graphics
2013-12-23 21:59:21 下载 179 查看 1,103
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This book is the culmination of more than 20 years of building, studying, and teaching real-time sys

, Lockheed Martin, the Canadian and Australian Defense Forces, MIT’s Charles Stark Draper Labs, and many
2014-01-01 11:25:09 下载 164 查看 1,129
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The task of clustering Web sessions is to group Web sessions based on similarity and consists of max

in clustering W b sessions is how to measure the similarity between Web sessions.However.there are many
2014-01-11 21:00:01 下载 96 查看 1,110
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This a very simple baseband simulator for SC-FDMA system. This simulator is part of the upcoming boo

It does lack many realistic and sophisticated features such as channel coding, time-varying fading channel
2016-08-26 10:24:02 下载 157 查看 1,096
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This the first release of a free TCP/IP/PPP protocol stack for the uC/OS Real-Time Operating System.

ported from BSD, and PPP is ported from the BSD version of the distribution common to BSD, Linux, and many
2016-09-16 20:19:01 下载 135 查看 1,095
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Problem B:Longest Ordered Subsequence A numeric sequence of ai is ordered if a1 < a2 < ... &l

For example, sequence (1, 7, 3, 5, 9, 4, 8) has ordered subsequences, e. g., (1, 7), (3, 4, 8) and many
2016-12-08 10:42:01 下载 20 查看 1,655
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Essentials+of+Short-Range+Wireless

However,
in many cases the design and function of these and other static
products are still
2020-05-27 13:19:20 查看 80
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Multihop+Wireless+Networks

Due
to the limited transmission range of the radio, many pairs of nodes in MWNs may
not be
2020-05-31 06:28:14 查看 55
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Optical+Communications+Essentials

Thus,
many forms of increasingly complex communication systems have appeared
over the years
2020-05-31 10:23:55 下载 1 查看 118
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The Mobile Multimedia Business

The first practical examples of mobile communications were used in many countries like
the USA,
2020-06-01 10:51:59 下载 1 查看 100