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POCS-NL
- 毫米波图像存在分辨率低的缺点,该程序在WRLA算法的基础上,进一步采用投影算法,能有效改善毫米波图像的分辨率-Images acquired from Passive Millimeter-Wave (PMMW) radiometer have poor resolution due to limited aperture dimension. Therefore, Super-Resolution Algorithm (SRA) is a key component for PMMW imag
DESIIR
- desiir.for 利用双线性Z变换设计巴特沃斯和切比雪夫I型IIR数字滤波器,包括低通、高通、带通、带阻四种形式。使用者只需指定通带、阻带的边缘实际频率及相应的衰减,便可输出数字滤波器 的级联形式的各子系统分子、分母的系数,并输出其幅频和相频响应。 -bilinear Z transform desiir.for design using Butterworth and Chebyshev IIR digital filter-I, including the low-pass, h
remezhighpass
- 用remez函数设计高通滤波器 观察等波纹逼近法中加权系数w( )及滤波器阶数N的作用和影响。期望逼近的滤波器通带为[3 /4, ],阻带为[0,23 /32]。 -Remez design with high-pass filter function to observe the law, such as corrugated weighted coefficient approximation w () and filter order N of the role and impac
FIR
- 已知一低通滤波器的采样率为2KHz,通带为500Hz,阻带为600 Hz,带内波动3dB,带外衰减-50dB,滤波器的相位具有线性特性,具体幅频特性见下图。要求用等波纹方法设计出该FIR滤波器,然后用TMS320C54x汇编语言编程,并在CCS下调试实现该FIR滤波器。-A low-pass filter known to the sampling rate of 2KHz, passband to 500Hz, stopband to 600 Hz, with fluctuations wit
butterworth
- 通过巴特沃斯滤波器的通带和阻带截止频率以及通带和阻带衰减做出相关的图形。-Through the Butterworth filter passband and stopband cut-off frequency and passband and stopband attenuation to make the relevant graphics.
bandpass_IIR
- 設計數位帶通濾波器其通帶邊緣頻率Fp1=100Hz Fp2=4000Hz ,止帶邊緣頻率 Fs1=20Hz Fs2=4100Hz αp=2dB αs=16dB-design a bandpass IIR digital filter passband edge1 100Hz stopband edge1 20Hz passband edge2 4000Hz stopband edge1 4100Hz passband ripple 2 dB minimum stopband at
c8_PSDexample
- 这个例子里,我们将独立(白噪声)样本通过有5dB通带纹波的切比雪夫滤波器。 试估计滤波器输出端的PSD。实现这一估计的MATLAB程序如下: -This example, we will be independent (white noise) samples through a 5dB passband ripple Chebyshev filter. Estimate the filter output PSD. MATLAB program to achieve this esti
firfilter
- FIR滤波器:自定滤波器的类型(低通,高通或带通)、设计指标(通带截止频率、通带波纹、阻带截止频率、阻带衰减) 1、根据指标选择合适的窗函数,用窗口设计法设计符合指标的FIR滤波器;并验证其性能是否满足预定指标。 -FIR filters: Custom filter types (low pass, high pass or band-pass), design specifications (passband cutoff frequency, passband ripple, st
xb
- 用汉宁窗设计一个FIR高通数字滤波器,满足以下参数要求:通带边界频率ωp=0.7π,通带内衰减函数αp=0.4dB;阻带边界频率Ωs=0.4π,阻带内衰减函数为αs=55dB。-With the Hanning window design an FIR high-pass digital filter to meet the requirements the following parameters: passband edge frequency ωp = 0.7π, pass-band at
DesignandFPGAImplementationof
- In most cases, a bandpass filter characteristic is obtained by using a lowpass-to-bandpass frequency transformation on a known lowpass transfer function. This frequency transformation controls the location of passband edges and transfer zero
LPF1
- 设计一个低通数字滤波器,满足如下设计指标: 通带截止频率:0.2pi,通带波动:1dB 阻带截止频率:0.3pi,阻带衰减:15dB 要求:采用切比雪夫Ⅱ型滤波器原型,并分别采用脉冲响应不变变换法和双线性变换法进行设计,比较设计的结果,并进行分析 -Design a low pass digital filters that meet the following design specifications: passband cutoff frequency: 0.2pi
iir
- 设计一个低通数字滤波器,满足如下设计指标: 通带截止频率:0.2pi,通带波动:1dB 阻带截止频率:0.3pi,阻带衰减:15dB 要求:分别采用巴特沃斯、切比雪夫Ⅰ型、切比雪夫Ⅱ型和椭圆滤波器原型进行设 计,比较各种设计的阶数、实际阻带衰减,分析实验结果 -Design a low pass digital filters that meet the following design specifications: passband cutoff frequency:
fir
- DES3200实验系统的模拟信号输出通道产生一个1KHz 的方波,然后利用信号输入通道对产生的方进行低通滤波,得到一个1KHz 的正弦信号,并使用CCS 的图形显示工具显示输入和输出的波形。这里我们使用的是一个46阶的对称结构的FIR低通滤波器,其采样频率Fs为25KHZ,通带截止频率 1KHZ,阻带截止频率为3KHZ,阻带衰减为-60dB。-DES3200 experimental system analog output channel generates a 1KHz square wav
zr
- 用窗函数法设计一个能对模拟信号进行滤波的线性相位FIR低通滤波器。抽样频率为 kHz,通带截止频率为 kHz,阻带截止频率为 kHz,要求阻带最小衰减 dB。为了降低运算量,所设计滤波器的阶数要尽可能的低-With the window method to design a filter to the analog signals of linear phase FIR low-pass filter. Sampling frequency is kHz, passband cutoff fre
zr
- 1. 用双线性变换法设计一个巴特沃斯低通IIR数字滤波器。设计指标参数为:在通带内频率低于0.2π时,最大衰减小于1dB;在阻带内[0.3π, π]频率区间上,最小衰减大于15dB. 2.0.02π为采样间隔,打印出数字滤波器在频率区间[0, π/2]上的频率响应特性曲线。 3. 用所设计的滤波器对实际心电图信号采样序列进行仿真滤波处理,观察总结滤波作用与效果 附:心电图采样序列x(n) 人体心电图信号在测量过程中往往受到工业高频干扰,所以必须经过低通滤波处理后,才能作为判断心脏
cic_examp
- 对一个采样频率为45.5MHz的信号进行14倍的抽取滤波,同时进行补偿滤波器的设计,并给出CIC滤波器、补偿滤波器和级联后的频谱图 - Design a minimum-order CIC compensator that compensates... for the droop in the passband for the CIC decimator.
Frequency_domain_sample_stop
- freqz对一个采样频率为45.5MHz的信号进行14倍的抽取滤波,同时进行补偿滤波器的设计,并给出CIC滤波器、补偿滤波器和级联后的频谱图 - for the droop in the passband for the CIC decimator.Design a minimum-order CIC compensator that compensates... .
UsingaDSPaudiofilterdesign
- 通带边缘频率 10kHz,阻带边缘频率 22kHz,阻带衰减75dB,采样频率 50kHz-Passband edge frequency of 10kHz, stopband edge frequency of 22kHz, stop-band attenuation of 75dB, sampling frequency of 50kHz
fir
- FIR函数通过定义的系数和延时线来实现有限脉冲响应FIR滤波器。该函数产生了对输入数据的响应。该过滤器(通带,阻带等特点)由系数和抽头数决定。-FIR function by defining the coefficients and delay line to achieve the finite impulse response FIR filter. The function of the input data generated response. The filter (passban
Butterworth
- butterworth滤波器的matlab设计,通带截止频率0.3pi,阻带截止频率0.2pi-matlab butterworth filter design, the passband cutoff frequency 0.3pi, stopband cutoff frequency 0.2pi