Consider an FIR lowpass filter design with the following specifications:
Passband
Stopband
Passband ripple
Stopband attenuation
Sampling rate
Determine the following:
a. window method
b. length of the FIR filter
c. cutoff frequency for the design equation
Consider an FIR lowpass filter design with the following specifications: Passband Stopband Passband ripple Stopband attenuation...
NI+N2-1. Find the output y(n) by using the DFT and the inverse DFT method. 4. (20 points) Design a lowpass Butterworth filter with the following specifications: A desired peak passband ripple Rp of 2 dB, the minimum stopband attenuation R, of 60 dB, the passband edge frequency op of 1000 rad/sec, and stopband edge frequency os of 3000 rad/sec (1) Estimate the order for this filter (2) Estimate the cut-off frequency for this filter. 5. (20 points) Consider the first-order...
2. Design a digital lowpass filter to meet the following specifications: passband edge = 0.45π stopband edge = 0.5π Rp = 0.5 dB, As = 60 dB a. Design a Buttterworth filter, you may use the butterord and butter commands to implement. b. Design Chebyshev Type 1 filter ( use the equivalent commands to above ) c. Design an Elliptic fitler ( use the equivalent commands to part a ). d. List the order of each filter and find the...
a. What kind of filter is ? b. What are the passband edges and stopband edges? c. What are the ripples? 5. A continuous time lowpass filter has been designed with a passband edge of 1000 Hz and the beginning of the stopband of 1200 Hz. It has a passband ripple of 0.1, (8, = 0.1). The stopband ripple is 0.01(82 = 0.01). Let h(t) be the impulse response of this filter. Assume that |H(jo)=0 for @l> 40007. Suppose that...
1. Find the length of the lowpass FIR filter corresponding to the following specifications: wp- 0.3m ωs-0.4m, δp-0.01, and δ,-0.005. Use Kaiser's formula 4. Consider the design of a windowed FIR lowpass filter corresponding to the specifications given in problem #1. Determine its length if Hann, Hamming, and Blackman windows are used. Hint: refer to Equation 10.36 and Table 10.2 of the textbook. 5. With reference to the specifications in problem #1, consider the design of an FIR lowpass filter...
0.09 Rect Bartlett Hann 21 26 0.0063 44 amming0.0022 53 74 M+1 M1 +1 M+1 0.05 12π ckman0.0002 Figure 2: The characteristics of the window types. . FIR filter design Using the windowing method, design a causal linear-phase DT lowpass FIR filter with no more than 1 dB passband ripple at 16kHz, at least 50dB of attenuation at 20kHz, sampling rate of 400 kHz. Choose one of the windows in the table in Fig. 2. Select an even filter order...
1. Design a low-pass Chebyshev filter with the following specifications: (7pts) • Passband edge frequency of, Wp = 2 rads' Passband ripple of 3dB Cut-off frequency is at mid-point of the transition band • Stopband attenuation of 20dB or greater beyond ws=2.5 rads! • Find the filter transfer function H(S)
Design lowpass IIR filter with the following specifications: Filter order = 2, Butterworth type Cut-off frequency=800 Hz Sampling rate =8000 Hz Design using the bilinear z-transform design method Print the lowpass IIR filter coefficients and plot the frequency responses using MATLAB. MATLAB>>freqz(bLP,aLP,512,8000); axis([0 4000 –40 1]); Label and print your graph. What is the filter gain at the cut-off frequency 800 Hz? What are the filter gains for the stopband at 2000 Hz and the passband at 50 Hz based...
An IIR low-pass filter is to be designed to meet the following specifications: 1. Passband cutoff frequency of 0.22 π with a passband ripple less than 0.01.2. Stopband cutoff frequency of 0.24 π with a stopband attenuation greater than 40 dB.(i) Determine the filter order required to meet these specifications if a digital butterworth filter is designed using the bilinear transformation. (ii) Determine the filter order required to meet these specifications if a digital chebyshev filter is designed using the bilinear transformation.
3. Design a bandpass FIR filter using Kaiser's formula for filter order, using Hamming window with the following specifications: the lower passband and stopband edge frequencies are fpi- 700 Hz, fs1 - 300 Hz, the upper passband and stopband edge frequencies fp2 - 2 kHz fs2 - 2400 Hz, the sampling frequency fs-10 kHz, and 6p-0.03, ando0.004.
3. (I0pts) An elliptic analog bandpass filter is to be designed with the following specifications: passband edge: 30 kHz and 50 kHz stopband edge: 25 kHz and 55 kHz peak passband ripple: 0.25dB minimum stopband attenuation: 40dB What's the bandedge of the corresponding elliptic analog low-pass filter? (Note: There are two possible solutions but you only have to provide one) (5pts) What's the filter order of the corresponding elliptic analog low-pass filter? (You can use Matlab to get your answer....