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Description: 频域滤波，包括梯形低/高通滤波，理想低/高通滤波，布尔沃什低/高通滤波和指数低/高通滤波等-frequency domain filtering, including the trapezoid low/high pass filters, ideal low/high pass filter, Buerwoshen low/high pass filter and index low/high pass filter, etc.
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Size: 291840 |
Author: jia |
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Description: 基于一级小波变换的将2值图像嵌入宿主图像低频子带的水印嵌入及提取算法-based on a wavelet transform the image of two images embedded host low-frequency band and the embedded watermark extraction algorithm
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Size: 58368 |
Author: li yue |
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Description: 低频射频卡水表源代码,使用ATMEL的T5557卡-low frequency RF Card meter source code, the use of the T5557 card ATMEL
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Size: 82944 |
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Description: 对低频段的带通信号进行高精度的时延估计，有详细说明。-Of low-frequency band signal for high-precision time-delay estimation, has a detailed description.
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Size: 3072 |
Author: 郑耀 |
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Description: 针对基于DSP的使用C++编译的数字信号的高低频滤波的编程源代码-DSP based on the use of C++ Compile digital signal high-low-frequency filter programming source code
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Size: 13312 |
Author: 孙明杰 |
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Description: 自己实现的一维、二维DFT。优点：变换后的低频分量在中间，弥补了matlab库函数的不足（高频分量在中间）-Realize their own one-dimensional, two-dimensional DFT. Advantages: low-frequency components after the transformation in the middle, made up for the inadequacy of matlab library function (high-frequency component in the middle)
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Size: 2048 |
Author: gjf281 |
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Description: 1．产生一个连续信号，包含低频，中频，高频分量，对其进行采样，进行频谱分析，分别设计三种高通，
低通，带通滤波器对信号进行滤波处理，观察滤波后信号的频谱。
2.采集一段含有噪音的语音信号（可以录制含有噪音的信号，或者录制语音后再加进噪音信号），对其进行
采样和频谱分析，根据分析结果设计出一合适的滤波器滤除噪音信号-1. Produce a continuous signal, including low-frequency, medium frequency, high-frequency components, its sampling, spectral analysis, are designed for three high-pass, low pass, band-pass filter the signal filtering treatment to observe the signal spectrum after filtering. 2. Acquisition section of the speech signal contains noise (can record a signal containing noise, or voice recording, additional noise after the signal), its sampling and spectral analysis, based on an analysis of the results to design a suitable filter to filter out one noise signal
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Size: 1024 |
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Description: 利用matlab实现对秘密信息的隐藏，主要是对图像进行dct变换，然后在低频嵌入信息！-Using matlab to realize the hidden secret information, mainly for image DCT transform, and then embedded in low-frequency information!
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Size: 1024 |
Author: 朱玲芳 |
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Description: 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.
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Size: 1024 |
Author: 邹国雄 |
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Description: 先由原始图像（任选）产生待恢复的图像； 利用二维小波分析对一幅图象作2层小波分解,并在此基础上提取各层的低频信息实现图像的压缩。
分别用逆滤波和维纳滤波恢复上面图像。
-First be the original image (optional) to restore the image to be generated the use of two-dimensional wavelet analysis of an image for two-layer wavelet decomposition, and on this basis, the low-frequency information extracted layers for image compression. Were used to inverse filtering and Wiener filter to restore the image above.
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Size: 1024 |
Author: tony |
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Description: 设计产生一个连续信号，包含低频，中频，高频分量，对其进行采样，进行频谱分析，使用矩形窗设计不同特性的数字滤波器对信号进行滤波处理，分析所设计滤波器(画出了频率特性曲线)，并对信号进行滤波，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，同时设计出了一个友好的人机交互界面。-Designed to produce a continuous signal, including low frequency, medium frequency, high frequency components, its sampling, spectral analysis, using rectangular windows of different characteristics of digital filter design the signal filtering, analysis of the designed filter (to draw the frequency characteristic curve), and signal filtering, to draw the filtered signal in time domain waveforms and frequency spectrum, and filtering the signal before and after comparison, the mean time, a friendly interactive interface.
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Size: 76800 |
Author: 楚乐 |
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Description: 提出了一种在数字图像上实现的盲水印算法, 嵌入的水印是64 64 8 bit 灰度图。该算
法用宿主图像的8 8 分块的DCT 域低频对应系数, 进行量化取余的方法嵌入水印。-Proposes a new digital image watermarking algorithm implemented on the embedded watermark is 64 64 8 bit grayscale. In the algorithm, the host image 8 8 block of DCT coefficients corresponding to low frequency domain, to take over the method to quantify the embedded watermark.
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Size: 280576 |
Author: 彩虹 |
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Description: 实现基于单片机的低频信号发生器，程序完整，参考性好-MCU-based low-frequency signal generator
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Size: 4096 |
Author: 陈斌 |
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Description: Low Frequency Experimenter s Handbook
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Size: 17559552 |
Author: hsongun |
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Description: 低频交流信号测量系统 采用12864屏幕实时显示交流信号波形，并测量Vpp和频率-Low frequency AC signal measurement system 12864 screen real-time display of AC signal waveform, and measuring the Vpp and frequency
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Size: 642048 |
Author: ling |
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Description: 加窗的prony方法，实现低频振荡非平稳信号特征量提取-The windowed prony nonstationary signal characteristics amount of low-frequency oscillation extract
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Size: 834560 |
Author: 王祥超 |
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Description: low frequency oscillations analysis and measures to damping
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Size: 70656 |
Author: 刘洋 |
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Description: 简易低频信号源设计，用来发出各种正弦波、三角波，等波形，实用-Simple low-frequency signal source design
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Size: 29696 |
Author: 李高升 |
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Description: combined low frequency with watermarking
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Size: 335872 |
Author: neha |
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Description: 低频电子课程设计，相关的资料以及具体的步骤，可以为大家提供参考。-Low-frequency electronic curriculum design, as well as information related to specific steps that can provide a reference for everyone.
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Size: 288768 |
Author: 路易斯 |
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