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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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基于C8051F060的数据采集存储系统的设计

Abstract:
 An acquisition and storage system based on C8051F060and
2013-10-12 07:08:01 下载 73 查看 1,075
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基于MPC555与CS8900A的以太网扩展设计

of MPC555 and CS8900A are introduced,and the software driven program based on NUCLEUS PLUS operation system
2013-10-23 14:12:01 下载 183 查看 1,068
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PROTEUS VSM在单片机系统仿真中的应用

Keil uVision3;仿真;外围器件;PROTEUS VSM;

Abstract:This paper introduces the simulation tool for M CU system

2013-11-16 13:08:01 下载 177 查看 1,123
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qemu性能直逼VMware的仿真器QEMU 的模擬速度約為實機的 25%;約為 Bochs 的 60 倍。Plex86、User-Mode-Linux、VMware 和 Virtual PC 則比

、User-Mode-Linux、VMware 和 Virtual PC 則比 QEMU 快一點,但 Bochs 需要特定的 Kernel Patch;User-Mode-Linux 的 Guest System
2014-06-04 09:00:01 下载 158 查看 1,293
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Carrier-phase synchronization can be approached in a general manner by estimating the multiplicativ

multiplicative distortion (MD) to which a baseband received signal in an RF or coherent optical transmission system
2013-11-28 08:21:09 下载 29 查看 1,113
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国外的人才求职招聘最新版

-PHP write a human resources management system of Source : System is modular case design, This document
2016-09-04 00:16:01 下载 161 查看 1,054
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Essentials+of+LTE+and+LTE-A

wireless broad-
band fourth-generation technology (4G) is an evolution of the packet-
based 3G system
2020-05-27 13:17:11 查看 86
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基于单片机的无线数据传输系统设计

This paper introduces a design of wireless data transmission system based on MCU,which realizes

2023-10-03 01:00:01 下载 6 查看 136
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STM32启动代码

The bootloader is stored in the internal boot ROM memory (system memory) of STM32
devices.
2014-09-06 17:30:24 下载 129 查看 1,214
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ADS2005A入门教程

ADS – Advanced Design System,由美国Agilent 公司推出的微波电路和通信系统仿真软件,是当今业界最流行的微波射频电路、通信系统、RFIC 设计软件.
2013-10-19 14:00:01 下载 99 查看 1,047
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The cart with an inverted pendulum, shown below, is "bumped" with an impulse force, F. Determine th

Determine the dynamic equations of motion for the system, and lin earize about the pendulum s angle,
2014-01-17 14:41:14 下载 23 查看 1,105
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Application & Integration Services are at the heart of any Service Oriented Architecture (SOA). Sun

Sun Java System Application Server and integration services provide a highly scalable and reliable platform
2014-12-20 21:33:03 下载 186 查看 1,092
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Advanced UNIX Programming is the long-awaited (19 years!) update to the 1985 original. Maybe "update

The original covered about 70 system calls, and the new one covers about 300.
2013-12-19 14:54:04 下载 66 查看 1,117
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Recovering 3-D structure from motion in noisy 2-D images is a problem addressed by many vision syste

Recovering 3-D structure from motion in noisy 2-D images is a problem addressed by many vision system
2017-04-17 10:10:01 下载 104 查看 1,056
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In this paper, the feasibility of replacing a chaos source by an equivalent digital pseudo-random ge

FPGA implementation of four different maps has been experimentally verified in a FM-DCSK test radio system
2013-12-13 15:44:03 下载 22 查看 1,101
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When trying to extract information from SAR images, we need to distinguish two types of image prope

The second is generated purely by the system and the signal processing.
2014-01-09 07:11:10 下载 35 查看 1,072
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