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picture_processing
- 图像处理包括(1) 显示图片 (2) 正交变换--包括傅立叶变换、沃尔什变换、离散余弦变换 (3) 图象增强--包括直方图显示、图象均衡化、图象规定化、图象平滑、锐化、中值滤波、低通滤波器、伪彩色编码 (4) 图象复原--非约束复原(逆滤波)、约束复原(维纳滤波) -Image processing, including (1) Show pictures (2) orthogonal transformation- i
gaborfilter
- 高斯函数能构成一个在频域具有平滑性能的低通滤波器。可以通过在频域做乘积来实现高斯滤波。-Constitute a Gaussian function to the frequency domain with a smooth performance of the low-pass filter. Can be done in the frequency domain Gaussian filter to achieve the prod
FIR
- 设计一个数字FIR低通滤波器,其技术指标如下:Wp=0.2 Rp=0.25 Ws=0.3 As=50-Design a digital FIR low-pass filter, the technical indicators are as follows: Wp = 0.2 Rp = 0.25 Ws = 0.3 As = 50
17jie_fir
- 采用VHDL语言实现17阶的数字低通滤波器的设计-VHDL language used to achieve 17 the number of bands of low-pass filter design
lpfilter
- MATLAB 中滤波器的M文件源代码。该滤波器为低通滤波器-lpfilter
LowpassFiltering
- 本实验要求要求实现高斯低通滤波器的程序,并设定截至频率半径为15时得到如课本上图4.18图c的图。使低频通过而使高频衰减的滤波器成为低通滤波器,被低通滤波的图像比原始图像少一些尖锐的细节部分。本实验就是设计实现高斯低通滤波器。-Requirements of this experiment requires low-pass Gaussian filter procedure and set the frequency up to a
IIR
- IIR滤波器的实现,这是一个低通滤波器,在visualC++6.0上的软件上实现 -The realization of IIR filter, this is a low-pass filter, in visualC++6.0 on the realization of software
glpf
- 这段代码主要是实现二阶高斯低通滤波器,本段代码全部用MATLAB语言实现的。-This code is to achieve second-order Gaussian low-pass filter, the above code to achieve the full use of the MATLAB language.
ladder_pass
- matlab编写的梯形低通滤波器对与图像的影响,画图比较滤波前后的对比图。-the preparation of matlab trapezoidal low-pass filter and image of the effect of drawing the contrast to compare before and after filtering Fig.
cfilter
- 应用c语言编写的可以实现的巴特沃斯低通滤波器的原理应用-C language applications can be prepared by the Butterworth low-pass filter application of the principle
filterdesign
- 设计一个低通滤波器,比较信号的输入和输出-Design a low-pass filter to compare the input and output signals
fir
- 用各种窗函数设计FIR数字滤波器。 分别用矩形窗和Hamming窗设计线性相位FIR低通滤波器。要求通带截止频率,单位脉冲响应h(n)的长度N=21,绘出h(n)及其幅频响应特性曲线。 -Window function with a variety of FIR digital filter design. Were rectangular window and Hamming window design of linear
remez
- remez函数设计FIR低通滤波器 设计滤波器,使逼近低通滤波特性 。 要求通带波纹 ,阻带衰减 ,并用最小阶数实现。绘出设计的FIR数字滤波幅频特性曲线。 -remez function design FIR filter low-pass filter designed to approximate the low-pass filter characteristics. Requirements of passband
C
- 此文档是使用C语言实现数字滤波,对高通或低通滤波器的C语言程序介绍。-This document is the use of C language realization of digital filter for high-pass or low-pass filter to introduce the C language program.
TheDesignofFIRFilterBasedonFPGA
- 从分析FIR 数字滤波器的原理和设计方法入手,主要针对基于FPGA 实现数字滤波器乘法器的算法进行了比较研究,并通过一个8 阶FIR 低通滤波器的具体设计,简要分析比较了几种算法的优越性和缺点,从而充分发掘和利用FPGA 的高速特性。-From the analysis of FIR digital filter design theory and approach, mainly based on the realization of
123
- 一个无源二阶低通滤波器,改变电阻与电容值可以改变截止频率,已试过,好用。-A passive second-order low-pass filter and change the resistance and capacitance values can change the cut-off frequency has been tried, easy to use.
Dsp_c
- dsp算法40例,包括fft、滤波器、谱运算等 1. 将模拟滤波器转变为数字滤波器。 2. 由得到幅频响应 。 3. 用Burg算法求AR模型的参数。 4. 由AR模型参数得到功率谱。 5. 用Levinson算法求解Yule-Walker方程以得到 阶AR模型的参数 。 6. 实现双线性Z变换。 7. 设计巴特沃斯模拟低通滤波器,求出转移函数 。 8. 设计切比雪夫I型模拟低通滤波器,求出转移函数 。
filter_verilog
- 用verilog实现的低通滤波器,输入输出精度为64位,并附有测试程序。-Use verilog to achieve a low-pass filter, input and output accuracy of 64, together with testing procedures.
IIR
- IIR数字低通滤波器,已在DSP试验箱上实现,希望能对大家有帮助-IIR digital low-pass filter has been implemented on the DSP Chambers, hoping to be helpful to everyone
FIR
- FIR低通滤波器,已在DSP试验箱上测试通过,希望对大家有帮助-FIR low-pass filter has been tested in the DSP chamber passed, want to help everyone