搜索资源列表
Lowfrequencydigitalphasetester
- 低频数字式相位测试仪，本设计给出了以凌阳16位单片机Spce061A为核心的数字式相位测量的基本原理与实现方案。该系统由相位测量仪、数字式移相信号发生器和移相网络三个模块构成，分别由两块单片机独立地实现控制与显示功能。采用DDS技术生成两路正弦波信号，并通过改变存储器中数据读取的起始地址来实现数字移相的功能，用Ф-T变换技术来实现相位差的测量，使得测量分辨率精确到0.1º ，测得的频率与相位差值送入LCD进行显示，加入红外键盘以及语音播报的功能，使得系统具有智能化、人性化的特色。-Low
resize
- 在DCT域中，通过裁减高频分量，或者增加高频分量的方式，对图像视频序列的尺寸进行上/下变换，变换过程中其他的低频DCT系数也要做相应的调整，否则处理后图像亮度会与原图不一致-resizing the video/image in dct domain .Adding or removing the high frequency components will realize the up-resizing or down-resizing. extra attention need to on
voiceinput
- 基于声卡的语音信号采集，对低频信号的处理还需要完善。-Based on the sound card' s audio signal acquisition, the low-frequency signals is also required to improve treatment.
Imagelow-passfilter
- 低通滤波容许低频信号通过, 但减弱[或减少]频率高于截止频率的信号的通过。对于不同滤波器而言,每个频率的信号的减弱程度不同。-Low-pass filter allows low-frequency signals, but weakened [or decrease] the frequency higher than the cut-off frequency of the signal through. For different filter for each frequency of
harr
- harr wavelet 哈尔小波变换的代码，高频低频-harr wavelet
wavelet_dec
- 利用小波冗余算法实现图像的高频和低频纹理特征的提取-Redundant algorithm using wavelet implementation of high-frequency and low frequency image texture feature extraction
frequency
- 一种等精度的频率计，同时适合高频和低频，误差小。-A precision frequency meter, etc. At the same time, suitable high-frequency and low frequency, the error small.
avr_Detectedfrequency
- AVR 检测频率源代码，电路简单，精确度很高。 低频可能支持不太好。-Detected frequency AVR source code
signal
- 用LPC2148PWM功能实现的方波低频信号源,频率可调整到小数点后2位,频率值可通过串口接PC更改,并返回PC-LPC2148PWM function with the implementation of low-frequency square-wave signal source, frequency adjustable to 2 after the decimal point, the frequency value can be received through the serial
ComputePSNR
- 计算图像经小波变换，低频部分重建后，与原图像的信噪比！-Images by calculating the wavelet transform, after the low-frequency part of the reconstruction of the original image signal to noise ratio!
jiyuCPLDtipinshuziceliang
- 设计了一种基于ＣＰＬＤ（复杂可编程逻辑器件）的低频数字相位测量仪-Based on the design of a CPLD (complex programmable logic device) of the low-frequency digital phase-measuring instrument
junhenghua
- 直方图均衡化，使图像高频部分和低频部分均衡-Histogram equalization, so that part of the image high frequency and low frequency part of a balanced
ddsphase
- 低频数字相位测量仪仿真的软件部分，是由VHDL语言设计-Low-frequency digital phase-measuring instrument simulation software is designed by VHDL language
HDB3encoder
- 数字基带信号的传输是数字通信系统的重要组成部分。在数字通信中，有些场合可不经过载波调制和解调过程，而对基带信号进行直接传输。采用AMI码的信号交替反转，有可能出现四连零现象，这不利于接收端的定时信号提取。而HDB3码因其无直流成份、低频成份少和连0个数最多不超过三个等特点，而对定时信号的恢复十分有利，并已成为CCITT协会推荐使用的基带传输码型之一。为此，本文利用VHDL语言对数据传输系统中的HDB3编码器进行了设计。-Digital baseband signal transmission i
hanshufashengqi
- 单片机实现低频函数信号发生器。能够产生四种波形。-Single chip to achieve low-frequency signal generator function. Able to generate four types of waveform.
ad9850
- 一个非常实用的基于ad9850的低频信号发生器程序-Based on a very practical ad9850 process low-frequency signal generator
DIVCLK
- 该程序是用VHDL语言实现的时钟分频程序，可以把高频时钟信号分成低频时钟信号，便于实际应用。-The program is the realization of VHDL language program the clock frequency, high frequency clock signal can be divided into low-frequency clock signal, to facilitate the practical application.
xiaobobianhuan
- 实现小波变换调用upcoef 函数，根据近似（低频）分量和细节（高频）分量进行重构-Wavelet transform to achieve upcoef function call, according to approximation (low frequency) component and details (high frequency) component is reconstructed
Matlab_wavelet
- 掌握小波分析在图像分析等各方面的应用。对图像进行二维离散小波分解、多尺度二维离散小波分解 并提取二维小波分解的高频系数和低频系数， 画出原始图形并显示分解结果。-Master the application of wavelet analysis in image analysis and other applications. Image two-dimensional discrete wavelet decomposition, multi-scale two-dimensiona