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SinWaveByPWM
- 利用PWM产生高精度正弦波,从PWM引脚输出的脉冲信号经过简单的低通滤波后,可以得到平滑的正弦波,波的频率可以微调-produced using high-precision sine wave PWM, PWM output pin from the pulse signal through simple low-pass filter, can be smooth sine wave, the wave frequency can be fine-tuned
max262.rar
- 利用单片机控制max262芯片程控滤波器,实现频率步进可调,可以实现高低通滤波,带通滤波器。,Max262 chip to control the use of single-chip programmable filter, the realization of frequency step tunable, can achieve high and low pass filtering, band-pass filter.
kekongfangda
- 用单片机AT89s52对可编程滤波器芯片MAX262 进行程序控制,可以同时对两路输入信号进行二阶低通、高通、带通、带阻以及全通滤波处理,滤波器的中心频率在15kHz~50kHz 频率范围内实现64 级程控调节,其Q 值在0.5~64 范围实现128 级程控调节。-In a simple, accurate, reliable, stable and universal principles, use of a hierarchical design to match the idea of i
fliter
- 自己写的07年电子设计竞赛程控滤波器题测试程序。高通部分尚未达到要求。仅供参考。-Write your own electronic design contest in 2007 programmed filter question test procedures. High-pass part of the yet to meet the requirements. For reference only.
junheng
- 基于5416芯片,通过按键控制,实现对音频信号进行高通,低通,带通滤波。并有led显示-Based on 5416 chip, through the control buttons, the audio signal to achieve high-pass, low pass, band pass filter. And has led displays
tina-
- 此文件夹有高通滤波,低通滤波,带通滤波,带阻滤波,三角信号发生器,正弦信号发生器,三角波发生器,三角波转换成余弦,等等tina的源程序,适合广大爱好者!-This folder has a high pass filter, low pass filter, band-pass filtering, band stop filtering, triangular signal generator, sine wave generator, triangle wave generator, tri
cheng
- 滤波器广泛应用于数字信号处理、通信、自动控制领域,但设计可变宽频带有源滤波器则比较困难。利用单片机控制参数可编程的双二阶通用开关电容有源滤波器,精确设置有源滤波器的中心频率f,品质因数Q及有源滤波器的工作方式。本系统主要分为两个部分:即程控滤波器和程控放大器。程控放大器电压增益为40dB,通过单片机控制DA进行分压,可精确实现要求的10dB步进,误差小于0.5 ,通带为100Hz-500KHz,输入电压峰-峰值范围为10mV,在输入范围内无明显失真。由MAX264为核心的滤波器,可设置为高通、低
src-of-MSP430FG439-ECG-analyzer
- 包含MSP430心电仪源代码,分为ECG读取,高低通滤波,液晶显示以及串口发送实现-include source code of MSP430 ECG instrument,such as ECG reading, high and low pass filter, liquid crystal display and the serial port
Programmable-filter
- 程控滤波器的源代码。能实现高通,低通,带通,带阻。-The source code of the programmable filter. High-pass, low pass, band pass, band stop.
MAX262.c
- 程控滤波器的程序,可以实现高通滤波和低通滤波,中心频率可调。-Programmable filter program, you can achieve high-pass filter and low-pass filter, the center frequency is adjustable.
mega16_program
- 用单片机mega16实现FIR滤波器功能,有高通低通,带阻与带通,并可产生PWN验证-Mega16 MCU FIR filter function, a high-pass low-pass, band-pass and band-stop, and can produce PWN verification
DigitalFilter
- 音乐(语音)通过语音芯片转化为差分输出的模拟量电压信号,经过差分减法电路转化为单端信号,AD转换芯片将模拟信号转化为数字信号。利用单片机设计数字滤波器对语音信号进行处理,根据低通、带通和高通三个滤波器的计算结果输出三路PWM信号。三路PWM信号经驱动电路分别控制LED光带红、绿和蓝三种颜色的亮度,灯光颜色明暗随音乐变化。-Music (Voice) by voice chip into a differential output analog voltage signal, through a
AD9854_Template
- 本系统是基于零中频正交解调原理的简易频率特性测试仪,用于检测被测网络的幅频特性和相频特性。该系统主要包括DDS集成模块,RLC串联谐振电路,乘法器电路,低通滤波器,同相放大器和测量显示模块,其中RLC串联谐振电路作为被测网络。本系统以DDS 集成模块为核心,将其产生的正交扫频信号通过被测网络后,经乘法器得到高频信号;这两个信号经过低通滤波、同相放大后得到符合要求的I、Q直流分量;最后通过单片机进行ADC 采样、数据处理和液晶显示,得到被测网络的幅频特性和相频特性。本系统在算法上的创新之处
program
- max262 程控滤波器的程序,实现高通低通,带通功能- Max262 program-controlled filter to achieve high-pass low-pass, band-pass function
Filter
- 心电算法,实现低通滤波高通滤波及基线滤波(ECG algorithm, low pass filtering, high pass filtering and baseline filtering.)
