搜索资源列表
nannvshengshibie
- 本文通过对男性和女性声音的语音特征的研究，发现男女声的基音频率存在较大的差异，并设计了基于基音频率分析的男女声识别系统。男女声识别系统由以下三个模块电路构成：话筒放大器，低通滤波器，半波整流电路，单片机测量控制模块。话筒放大器采用NE5532P音前置芯片，对语音信号进行放大；八阶低通滤波器MAX293完成基音信号的提取；单片机STC12C5410AD实现频率测量和控制输出功能。经仿真与电路实测，男女声的识别效果良好。-In this paper, the voices of male and f
digital_pll
- 传统的数字锁相环系统是希望通过采用具有低通特性的环路滤波器，获得稳定的振荡控制数据由于数字电子技术的迅速发展，尤其是数字计算和信号处理技术在多媒体、自动化、仪器仪表、通讯等领域的广泛应用，用数字电路处理模拟信号的情况日益普遍。所以模拟信号数字化是信息技术的发展趋势，而数字锁相环在其中扮演着重要角色。-Conventional digital PLL system is to have a low-pass characteristics by using the loop filter to o
M-prog
- calculate the order and coefficient using a low pass filter
filter
- 包含3个不同类型的滤波器设计报告，无源带通滤波器，无源低通滤波器，有缘低通滤波器-Contains three different types of filter design report, passive band-pass filter, passive low-pass filter, and by chance the low-pass filter
An-Improved-Stator-Flux-Estimation-for-Speed
- This paper proposes a programmable low pass filter (LPF) to estimate stator flux for speed sensorless stator flux orientation control of induction motors. The programmable LPF is developed to solve the dc drift problem associated with a pure
Untitled
- 设计低通滤波器对信号进行滤波，对比分析滤波前后信号的频谱；-Design of low pass filter for signal filtering, comparative analysis before and after filtering the signal spectrum
QRS-Re-examination
- 基于matlab对QRS波进行复检，其中包含高通、低通、微分等滤波器-QRS wave of re-examination, which includes a high-pass, low-pass differential filter based on Matlab
Lowpass-bandpass-highpass-filter
- 低通 带通和高通的滤波器 以FIR滤波器为例-Low-pass, band-pass and high-pass filter with the FIR filter example
IIR
- 利用高通、低通、带通、带阻等滤波器对信号进行处理，滤除噪声，获得想要的信号。-Using high-pass, low pass, band pass, band stop filter such as signal processing, filtering noise, obtain the desired signal.
ditongfilter
- 与二阶模拟滤波器对等的二阶数字滤波器设计。-Design of two order low-pass digital filter.