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本程序用于检测音频文件中是否具有DTMF信号

确定了8个频点的能量后运用一系列判决门限来确定有没有DTMF信号,以及信号是什么
2017-03-15 10:26:02 下载 170 查看 1,091
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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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DN387 级联7A点的负载单片降压转换器

The LTC®3415 provides acompact, simple and versatile solution.
2013-10-18 04:04:01 下载 33 查看 1,074
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PCA9539 PCA9539R 16-bit I2C-bu

I/O expanders provide a simple solution when additional
I/O is needed for ACPI power switches, sensors
2013-11-10 18:48:01 下载 186 查看 1,081
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对带有uPSD3234A的DK3200的USB演示

It gives the user an idea of how simple it is to work with the device, using the HID class as a ready-made
2014-04-03 09:07:37 下载 130 查看 1,082
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The code assumes a two-dimensional computational domain with TMz polarization (i.e., non-zero field

(If you want a different corner, that should be a fairly simple tweak to the code, but for now you ll
2013-12-13 01:37:01 下载 65 查看 1,098
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-- WISHBONE revB2 compiant I2C master core -- -- author: Richard Herveille -- rev. 0.1 based on s

-- WISHBONE revB2 compiant I2C master core -- -- author: Richard Herveille -- rev. 0.1 based on simple_i2c
2014-01-18 07:45:13 下载 113 查看 1,115
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encode.v The encoder syndrome.v Syndrome generator in decoder berlekamp.v Berlekamp algorithm in

data-rom.v A simple data source for testing run For those intelligence-challenged who can t run verilog
2014-02-16 06:30:18 下载 163 查看 1,110
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Universal Serial Bus (USB) is a communications architecture that gives a personal computer (PC) th

architecture that gives a personal computer (PC) the ability to interconnect a variety of devices using a simple
2015-12-08 20:58:02 下载 39 查看 1,099
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This folder has some scritps that you may find usefull. All of it comes from questions that I ve r

I also included a simple simulation script that will create random initial coefficients (under the
2013-12-28 18:42:06 下载 73 查看 1,129
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用fpga实现的DA转换器

A PLD Based Delta-Sigma DAC Delta-Sigma modulation is the simple, yet powerful, technique responsible
2016-06-10 20:23:01 下载 32 查看 1,116
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Quartz is a full-featured, open source job scheduling system that can be integrated with, or used al

Quartz can be used to create simple or complex schedules for executing tens, hundreds, or even tens-of-thousands
2014-01-07 14:10:11 下载 199 查看 1,111
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A Design and Implementation of The Online Shopping System Abstract: Along with the development

projects that adopt already on present nets, this project have the advantage of providing customers more simple
2014-12-04 03:42:02 下载 61 查看 1,186
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Arduino开发工具(arduino IDE) v1.5.5-r2 中文官方最新版

Arduino,是一个基于开放原始码的软硬体平台,构建于开放原始码simple I/O介面版,并且具有使用类似Java,c语言的Processing/Wiring开发环境。
2023-02-21 12:20:02 下载 9 查看 4,924
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ARDUINO开发工具(ARDUINO IDE) V1.5.5-R2 中文官方最新版

Arduino,是一个基于开放原始码的软硬体平台,构建于开放原始码simple I/O介面版,并且具有使用类似Java,c语言的Processing/Wiring开发环境。
2014-03-30 12:22:14 下载 27 查看 14,806
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如何优化ISM无线电频率(RF)系统

This tutorial provides simple steps that can be taken to get the best performance out of these transmitters
2013-11-02 23:36:01 下载 64 查看 1,072
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谈集成电路的通用接口

Because interfaces between microprocessors and ICs are simple—even easy—they are oftenignored
2013-11-18 15:28:02 下载 135 查看 1,133
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