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signal-Processing

use processing for signal

use processing for signal

標簽： processing signal use for

上傳時間： 2014-01-12

上傳用戶：蠢蠢66
PWMSound.m processing signal digital

PWMSound.m processing signal digital

標簽： processing PWMSound digital signal

上傳時間： 2014-01-06

上傳用戶：ryb
This paper deals with the problem of speech enhancement when a corrupted speech signal with an addi

This paper deals with the problem of speech enhancement when a corrupted speech signal with an additive colored noise is the only information available for processing. Kalman filtering is known as an effective speech enhancement technique, in which speech signal is usually modeled as autoregressive (AR) process and represented in the state-space domain.

標簽： speech with enhancement corrupted

上傳時間： 2015-09-07

上傳用戶：zhangyi99104144
This paper deals with the problem of speech enhancement when only a corrupted speech signal is avai

This paper deals with the problem of speech enhancement when only a corrupted speech signal is available for processing. Kalman filtering is known as an effective speech enhancement technique, in which speech signal is usually modeled as autoregressive (AR) model and represented in the state-space domain.

標簽： speech enhancement corrupted problem

上傳時間： 2013-12-20

上傳用戶：569342831
This example streams input from a ADC source to a DAC. An analog signal is acquired block-by-block

This example streams input from a ADC source to a DAC. An analog signal is acquired block-by-block into SDRAM from the ADC (an AD9244 in this example). The frames are then output with a one-frame delay to the DAC (an AD9744 in this example). In this example, no processing is done on the frames. They are passed unaltered.

標簽： block-by-block acquired example streams

上傳時間： 2015-12-29

上傳用戶：bjgaofei
This document is intended to serve as an introduction to Wavelet processing through a set of Matlab

This document is intended to serve as an introduction to Wavelet processing through a set of Matlab experiments. These experiments will gives an overview of three fundamental tasks in signal and image processing : signal, denoising and compression. These scripts are selfs contents (needed additional Matlab functions can be downloaded while reading the lectures). Each one of these five lectures should take between 1h and 2h in order to tests the various features of the scripts. One should copy/paste the provided code into a file names e.g. tp1.m, and launch the script directly from Matlab comand line > tp1 . Some of the scripts contains "holes" that you should try to fill on your own. I also provide the complete correction of these lectures as a set of Matlab scripts, but you should try as much as possible to avoid using them.

標簽： introduction processing document intended

上傳時間： 2016-03-22

上傳用戶：qlpqlq
Color Image Processing: Methods and Applications，2007版新書

·Color Image Processing: Methods and Applications，2007版新書With advances in image sensors, digital TV, image-enabled consumer electronics, and much more, color image processing is of paramount interest i

標簽： nbsp Applications Processing Methods

上傳時間： 2013-06-19

上傳用戶：comua
利用Allegro進行差分信號（Differential Signal）在高速電路設計需要注意的問題

差分信號（Differential Signal）在高速電路設計中的應用越來越廣泛，差分線大多為電路中最關鍵的信號，差分線布線的好壞直接影響到PCB板子信號質量。

標簽： Differential Allegro Signal 差分信號

上傳時間： 2013-09-04

上傳用戶：jennyzai
基于開關電容技術的鎖定放大器設計

鎖定放大是微弱信號檢測的重要手段。基于相關檢測理論，利用開關電容的開關實現鎖定放大器中乘法器的功能，提出開關電容和積分器相結合以實現相關檢測的方法，并設計出一種鎖定放大器。該鎖定放大器將微弱信號轉化為與之相關的方波，通過后續電路得到正比于被測信號的直流電平，為后續采集處理提供方便。測量數據表明鎖定放大器前級可將10-6 A的電流轉換為10-1 V的電壓，后級通過帶通濾波器級聯可將信號放大1×105倍。該方法在降低噪聲的同時，可對微弱信號進行放大，線性度較高、穩定性較好。 Abstract: Lock-in Amplifying（LIA）is one of important means for weak signal detection. Based on cross-correlation detection theory， switch in the swithched capacitor was used as multiplier of LIA， and a new method of correlation detection was proposed combining swithched capacitor with integrator. A kind of LIA was designed which can convert the weak signal to square-wave， then DC proportional to measured signal was obtained through follow-up conditioning circuit， providing convenience for signal acquisition and processing. The measured data shows that the electric current（10-6 A） can be changed into voltage（10-1 V） by LIA， and the signal is magnified 1×105 times by cascade band-pass filter. The noise is suppressed and the weak signal is amplified. It has the advantages of good linearity and stability.

標簽： 開關電容鎖定放大器

上傳時間： 2013-11-29

上傳用戶：黑漆漆
基于AVR單片機的閉環控制系統

　　針對科研實驗中對拉壓千斤頂加載過程控制的需要，采用ATmega128單片機控制步進電機進而實現對執行系統的電動泵站實行自動控制。對力和位移的數據采集與處理及用步進電機控制電動泵站手柄的技術細節作了重點描述。通過單片機的A/D變換器對AMP放大模塊采集的電橋信號作量化處理，千斤頂的操控手柄位置依電動油泵閥門開啟的方向和大小作若干定位，單片機根據力或位移傳感器信號，實時控制步進電機驅動手柄旋轉到相應操控位置。　　Abstract: 　　This article describes the use of ATmega128 AVR microcontroller series of DBS electric pumping stations and QF100/200 separate twoway hydraulic jack to automate the process of manipulating the work of the technical content. Articles on force and displacement data acquisition and processing， and stepper motor control electric pump with the handle of the key technical details were described. Through the MCU’s A / D converter module is collected on the AMP amplification quantify the signal bridge， jack handle position control valve opening according to the direction of electric pumps for a number of positioning and size of the microcontroller based on force or displacement sensor signals， real-time control stepper motor drive control handle rotate to the appropriate location.

標簽： AVR 單片機閉環控制

上傳時間： 2014-01-16

上傳用戶：hasan2015