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PCM
- 利用Matlab仿真脉冲编码调制(PCM)及A律、μ律PCM对声音进行压缩编解码过程。 脉冲编码调制(PCM,Pulse Code Modulation)是一种将模拟语音信号转换成数字信号的编码方式。波形编码器的作用是对采样后的信号样本进行量化和编码。从数学上来看,量化过程就是把一个连续幅度值的无限数集合映射成一个离散幅度值的有限数集合,编码就是用一组二进制数来表示这些映射后的有限数。国际标准化的PCM采用折叠二进制码,符合长途电话
temperature-control
- 对温度进行实时监测与控制。由温度传感器DS18B20对温度进行采样和转换成数字信号送入单片机,并与设定的报警温度上、下限值进行比较,信息通过LCD显示出来。如实时温度超过设定的上、下限值,一方面由LCD显示信息,并发出警报声;另一方面自动控制继电器(Relay)开接通或断开,从而控制加热源的开与断,达到对温度进行实时控制的目的。-Real-time temperature monitoring and control. Temperat
data-acquisition-software-in-Delphi
- 用Delphi编写的数据采集软件,使用的是24位AD、8个通道,而且可以任意时候关闭和显示某个通道。将采集到的数据转化进制,并跟参考电压计算后,显示出实际采样的电压值。-With data acquisition software written in Delphi, using a 24-bit AD, 8 channels, but also can close any time and display a channel. The
Improving-the-Active-Power-Filter-Performance
- Abstract—In this paper a current reference generation method for a voltage source shunt active power filter is examined. The proposed method improves the harmonic filtering by compensating the delays in the system.
ction
- 非均匀采样数据系统的故障检测Non-uniform sampled data system fault detection-Non-uniform sampled data system fault detection
ALC_Ray_Caster
- 本文介绍的剪切图像顺序光线投射,一个新的体绘制方法。这种方法使得采样数据在图像质量相当于三个尺寸,最好的射线每像素体绘制算法(全图顺序),而在同一时间计算复杂度和保留空间相干性接近已知的最快算法(剪切变形)。在剪切图片的顺序,如剪切,弯曲,体积数据集重新取样片沿平行于其他物体的射线。不同剪切变形,但象纹理为基础的方法,射线演员通过对图像的像素的平面和样品中心点是在与每个切片射线的交点。-This paper describes shea
sinfapm
- 采样正弦信号的振幅、频率、相位和均值,应用Z变换。-Amplitude, frequency, phase and mean value of sampled sine wave,take the application of Z-transform.
smni_eeg_data.tar
- 这组脑电数据用于研究酒精引起的脑电活动变化,包括3种任务下的两组研究对象的数据。-This data arises from a large study to examine EEG correlates of genetic predisposition to alcoholism. It contains measurements from 64 electrodes placed on the scalp sampled at 2
ADC-20100821
- AVR mega8 的 差分AD程序。开发环境AVRstudio。 将采样的得到的数据通过UART发送出来。-AVR mega8 differential AD process. Development environment AVRstudio. Sampled data will be sent out through the UART.
fir_lin_phase_lowpass_max_atten
- Designs a linear phase FIR lowpass filter such that it: - minimizes maximum stopband attenuation - has a constraint on the maximum passband ripple This is a convex problem (when sampled it can be represente
89c51
- 此系统主要以ADC0808和80C51为核心,进行实时数据采集,数据处理和显示,终端接收及存储。具体包括控制、显示、A/D转化器等。设计中用AD0808进行8路数据的采样,利用51单片机的串行口进行发送和接收数据。利用8个LCD数码管进行显示数据处理。采用PROTEUS和Keil uvision3为开发工具,软件设计采用模块化编程-This system mainly ADC0808 and 80C51 as the core, rea
yuyingfenxi
- 录制一段自己的语音信号,时间为10s左右,并对录制的信号进行采样;画出采样后语音信号的时域波形和频谱图;采用窗函数法或双线性变换设计滤波器,并画出滤波器的频率响应;然后用自己设计的滤波器对采集的语音信号进行滤波,画出滤波后信号的时域波形和频谱,并对滤波前后的信号进行对比,分析信号的变化;回放语音信号.-Record a voice signal their time was 10s or so, and the recorded sig
source-codes
- cohere(x,y,M) computes the coherence function using successive DFTs of length with a Hanning window and 50 overlap. (The window and overlap can be controlled via additional optional arguments.) We see a coherence peak at
F340_ad
- 本程序是对电位器产生的电压值进行采样,可以在寄存器观察AD的 也可以通过LCD将值显示出来,由于LV595芯片片选引脚与以太网控制芯片CP2200 中断引脚复用因些在此例程中加入了将CP2200芯片中断关闭的代码。还要在建立 工程文件时将CP220X_REG.C文件包含到工程中.-The program is produced by the potentiometer voltage is sampled, can be o
f2407ad613
- TMS320F2407 AD采样程序,采集三相电网电压,在CCS3.3开发环境中观察采样波形-TMS320F2407 AD sample program,Acquisition phase voltage, observed in CCS3.3 sampled waveform development environment
AD-and-DA-
- 实现DSP片内自带A/D采样,采样后的数据传输到DMA内,利用28335进行DA转换,输出三中波形-For DSP chip comes with A/D sampling, the sampled data to the DMA, the use of 28335 for DA converter, the output three kinds of waveform
SMPTEP296M
- This standard defines a family of progressive image sample systems for the representation of stationary or moving two-dimensional images sampled tempo- rally at a constant fr a me rate and having an image format
AD
- DSP2812 AD双序列采样,实现两路信号同时采样。-DSP2812 AD double sequence sampling to achieve the two signals are sampled simultaneously.
sampling_opticfiber
- 取样光栅的matlab仿真及其源代码,仿真出了取样光栅的特性-Sampled grating matlab simulation source code
ADI-DMM-
- 本项目充分地利用了DSP 强大的信号处理能力和现代数值分析方法。设计了 电能表前端采样及计量模块的硬件,以及一套符合国标GB/T 17883-1999 的0.2S 级精度要求的算法,同时扩展了谐波分析功能。系统概述为:三相电压、电流 AD 采样,采样数据通过串口送至处理器(DSP),由DSP 对采样数据作电参数计 量和谐波分析,处理结果通过定制LCD 显示,并通过脉冲口发出有功、无功校 表脉冲。DSP 采用ADI 公