搜索资源列表
HammingFIR
- 数字FIR滤波器器设计，通带截止频率0.3pi，阻带截止频率0.2pi，通带衰减《=1db，阻带衰减》=40db-Digital FIR filter design, the passband cutoff frequency 0.3pi, stopband cutoff frequency 0.2pi, pass-band attenuation " = 1db, stop-band attenuation" = 40db
Small-signal-high
- 高频小信号调谐放大器，了解谐振回路的幅频特性分析——通频带与选择性。-Small-signal high-frequency amplifier tuned to find resonant frequency characteristics of circuit- passband and selectivity.
fir_lin_phase_lowpass_max_atten
- Designs a linear phase FIR lowpass filter such that it: - minimizes maximum stopband attenuation - has a constraint on the maximum passband ripple This is a convex problem (when sampled it can be represented as an LP). minimize m
fir_lin_phase_lowpass_min_order
- Designs a linear phase FIR lowpass filter such that it: - minimizes the filter order - has a constraint on the maximum passband ripple - has a constraint on the maximum stopband attenuation -This is a quasiconvex problem and can be solved
fir_lin_phase_lowpass_min_ripple
- Designs a linear phase FIR lowpass filter such that it: - minimizes the maximum passband ripple - has a constraint on the maximum stopband attenuation- This is a convex problem. minimize delta s.t. 1/delta <= H(w) &l
work
- 设计一个切比雪夫滤波器，要求通带截止频率 ，通带最大衰减 ，阻带截止频率 ，阻带最小衰减 。要求绘出滤波器的幅频特性曲线。-Design a Chebyshev filter, the passband cutoff frequency required, the maximum passband attenuation, stopband cutoff frequency, stopband minimum attenuation. Requirements of the filter amp
FIR_bandpass
- 用窗函数法设计FIR带通滤波器。指标：低端通带截止频率wlp=0.35π 低端阻带截止频率wls=0.2π。高端通带截止频率whp=0.65π 高端阻带截止频率whs=0.8π。-Design of FIR with window function bandpass filter target: low-pass with cutoff frequency wlp = 0.35π low stopband cutoff frequency wls = 0.2π passband cutof
lowpassfilter
- 利用Kaiser窗设计一个低通滤波器，通带参数、阻带参数、阻带衰减、通带纹波都可以进行调整。程序简单易懂，按照凯塞窗设计滤波器的步骤，非常容易理解，得到的参数可以在MATLAB命令窗口中看到。-Kaiser window design using a low-pass filter, pass parameters, the stopband parameters, stopband attenuation, passband ripple can be adjusted
cheng
- 滤波器广泛应用于数字信号处理、通信、自动控制领域,但设计可变宽频带有源滤波器则比较困难。利用单片机控制参数可编程的双二阶通用开关电容有源滤波器,精确设置有源滤波器的中心频率f，品质因数Q及有源滤波器的工作方式。本系统主要分为两个部分:即程控滤波器和程控放大器。程控放大器电压增益为40dB，通过单片机控制DA进行分压，可精确实现要求的10dB步进，误差小于0.5 ，通带为100Hz-500KHz，输入电压峰－峰值范围为10mV，在输入范围内无明显失真。由MAX264为核心的滤波器，可设置为高通、低
batewosi
- 巴特沃斯滤波器是电子滤波器的一种。巴特沃斯滤波器的特点是通频带内的频率响应曲线最大限度平坦，没有起伏，而在阻频带则逐渐下降为零。 在振幅 的对数对角频率的波特图 上,从某一边界角频率开始,振幅随着角频率的增加而逐步减少,趋向负无穷大。该段代码就是巴特沃斯高通和低通滤波器的设计。-Bart wo filter is a kind of electronic filters. Bart wo filter is characteristic of the passband frequency res
erfang
- 耳放电路，听过调试，可以直接使用。通带平坦，可靠。-Amp circuit, heard debugging, can be used directly. Flat passband, and reliable.
Lab0501-FIR
- 用dsp实现有限冲激响应滤波器（FIR）算法。通带边缘频率10kHz，阻带边缘频率22kHz，阻带衰减75dB，采样频率50kHz-Dsp to achieve a finite impulse response filter (FIR) algorithm. Passband edge frequency of 10kHz, the stopband edge frequency of 22kHz, and stop-band attenuation of 75dB, sampling fre
Lab0502-IIR
- dsp实现无限冲激响应滤波器(IIR)算法，低通巴特沃斯滤波器在其通带边缘1kHz 处的增益为-3dB，12kHz 处的阻带衰减为30dB，采样频率25kHz-dsp Infinite Impulse Response Filter (IIR) algorithm, low-pass Butterworth filter gain in its passband edge at 1kHz-3dB 12kHz at the stop-band attenuation of 30dB, the sa
DPSK_passband
- A DPSK Modulator (analytical versus simulation)
FIR-filter
- 用窗函数设计FIR数字滤波器。参数设置为：阶数 N=84，通带截止频率Wc=0.4*Pi，通频带为低通。-FIR digital filter design with window function. Parameter is set: the order of N = 84, passband, the passband of the low-pass cutoff frequency of Wc = 0.4* Pi,.
11
- 基于最小方差法低通FIR的设计说明书,单通带,有详细的步骤及相关理论知识-Minimum variance method low-pass FIR-based design specification, a single passband, with detailed steps and theoretical knowledge
Digital-filter
- 设计低通数字滤波器，要求在通带内频率低于 时，允许幅度误差在1dB以内，-Design of digital low pass filter, requirements in the passband frequencies below, allow a margin of error of less than 1dB,
Bilinear-transformation-method
- 设计低通数字滤波器，要求在通带内频带低于 时，允许幅度误差在1dB以内-Design of digital low pass filter, requirements in the passband frequencies below, allow a margin of error of less than 1dB,
passband
- 基于simulink环境下的模拟无源Rc及巴特沃斯低通滤波器设计-Simulink environment of analog and passive Rc and Butterworth low-pass filter design
The-FIR-filter-design
- （附带有文档，文档中有方案，有程序有结果，设计完后对一段语音进行处理）给定滤波器的规一化性能指标（参考指标,实际中依据每个同学所叠加噪声情况而定）通带截止频率wp=0.25*pi。 采用窗函数法设计低通、高通、带通型FIR滤波器，对叠加噪声前后的语音信号进行滤波处理，绘出滤波器的频域响应，绘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，分析信号的变化；在相同的性能指标下比较各方法的滤波效果，并从理论上进行分析-(With the document, document, program