Search - frequency response magnitude of filters

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[matlab] filters DL : 0: the programs are an introduction to DSP ,the programs illustrate the frequency response ,impulse response and magnitude response
Date : 2025-07-01 Size : 1kb User : ria
[Software Engineering] APR7 DL : 0: This application note considers the design of frequency- selective filters, which modify the frequency content and phase of input signals according to some specification. Two classes of frequency-selective digital filters are considered: infinite impulse response (IIR) and finite impulse response (FIR) filters. The design process consists of determining the coefficients of the IIR or FIR filters, which results in the desired magnitude and phase response being closely approximated.
Date : 2025-07-01 Size : 487kb User : madshark
[Software Engineering] 199mfi DL : 0: This application note considers the design of frequency- selective filters, which modify the frequency content and phase of input signals according to some specification. Two classes of frequency-selective digital filters are considered: infinite impulse response (IIR) and finite impulse response (FIR) filters. The design process consists of determining the coefficients of the IIR or FIR filters, which results in the desired magnitude and phase response being closely approximated.
Date : 2025-07-01 Size : 49kb User : madshark
[Software Engineering] gabor DL : 0: The real and imaginary components of a complex Gabor filter are phase sensitive, i.e., as a consequence their response to a sinusoid is another sinusoid (see Figure 1.2). By getting the magnitude of the output (square root of the sum of squared real and imaginary outputs) we can get a response that phase insensitive and thus unmodulated positive response to a target sinusoid input (see Figure 1.2). In some cases it is useful to compute the overall output of the two out of phase filters. One common way of doing so is to add the squared output (the energy) of each filter, equivalently we can get the magnitude. This corresponds to the magnitude (more precisely the squared magnitude) of the complex Gabor filter output. In the frequency domain, the magnitude of the response to a particular frequency is simply the magnitude of the complex Fourier transform, i.e.
Date : 2025-07-01 Size : 156kb User : cestrada
[matlab] DESIIR DL : 0: 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-Bilinear Z transform design Butterworth and Chebyshev Type I IIR digital filters, including low pass, high pass, band pass, band stop four forms. Users simply specify the passband edge frequency stopband actual and corresponding attenuation subsystems can form molecular cascade output digital filter coefficients of the denominator, and the output of its magnitude and phase frequency response
Date : 2025-07-01 Size : 2kb User : 曹诗杰