• ...1,400 Hz. You would like to low-pass-filter the signal x(t) with a cut off frequency of 800Hz and a gain of 7. Let's call this desired filtered signal y(t). & \text{CT filter with frequency response } H(f) & \\
    3 KB (499 words) - 16:04, 22 September 2015
  • where the frequency response H(f) corresponds to a band-pass filter with no gain and cutoff frequencies a) Sketch the graph of the frequency response H(f) of System 1.
    5 KB (779 words) - 18:19, 25 September 2015
  • ...1,400 Hz. You would like to low-pass-filter the signal x(t) with a cut off frequency of 800Hz and a gain of 7. Let's call this desired filtered signal y(t). & \text{CT filter with frequency response } H(f) & \\
    3 KB (475 words) - 15:23, 20 October 2015
  • where the frequency response H(f) corresponds to a band-pass filter with no gain and cutoff frequencies a) Sketch the graph of the frequency response H(f) of System 1.
    6 KB (945 words) - 11:40, 19 October 2015
  • ...n for each of the following systems. Sketch the magnitude of the frequency response, and indicate the location of the poles and zeros of the transfer function. Find the response of this system to the input
    4 KB (625 words) - 13:17, 16 November 2015
  • ...fluence the location of the local maxima of the magnitude of the frequency response of the vocal tract?
    3 KB (449 words) - 11:39, 20 November 2015
  • Frequency Response <math>H(\omega)</math> :'''Frequency response'''
    11 KB (1,782 words) - 00:17, 23 November 2015
  • ...’s position as the fourth C key on a standard 88-key piano keyboard. The frequency of the nth key is calculated from the equation: f(n) = 2^((n-49)/12) * 440 We can truncate an ideal filter’s impulse response by using different windowing functions. In lab 7a and lab 7b, some truncati
    6 KB (1,002 words) - 22:08, 29 November 2015
  • ...tp://cobweb.ecn.purdue.edu/~ipollak/ee438/FALL03/notes/Section1.3_9_26.pdf frequency analysis] ...<span class="texhtml">ω</span> versus Fourier transform as a function of frequency <span class="texhtml">''f''</span> (in hertz).
    10 KB (1,357 words) - 17:02, 14 September 2016
  • :c) the system has a well defined and finite frequency response function; :f) the unit impulse response of the system is right-sided;
    3 KB (481 words) - 15:35, 8 November 2016
  • ...n for each of the following systems. Sketch the magnitude of the frequency response, and indicate the location of the poles and zeros of the transfer function. Find the frequency response of this system using five different approaches.
    3 KB (503 words) - 15:44, 8 November 2016
  • where <math>{\mathcal H}(\omega)</math> is DTFT of unit impulse response h[n] <br /><br /> c) the system has a well defined and finite frequency response function;<br />
    8 KB (1,336 words) - 15:40, 27 November 2016
  • ...fluence the location of the local maxima of the magnitude of the frequency response of the vocal tract?
    3 KB (460 words) - 13:20, 18 November 2016
  • Frequency Response <math>H(\omega)</math> :'''Frequency response'''
    9 KB (1,559 words) - 14:33, 24 November 2016
  • ...per complex plane yields a local maximum in the magnitude of the frequency response within the interval <math>[0,\pi] </math>. The other 3 poles create symmetr ...fluence the location of the local maxima of the magnitude of the frequency response of the vocal tract?
    7 KB (1,236 words) - 17:19, 29 November 2016
  • ...tp://cobweb.ecn.purdue.edu/~ipollak/ee438/FALL03/notes/Section1.3_9_26.pdf frequency analysis] ...<span class="texhtml">ω</span> versus Fourier transform as a function of frequency <span class="texhtml">''f''</span> (in hertz).
    10 KB (1,357 words) - 09:45, 8 January 2017
  • ..., LPF, etc) with different Q and cutoff values to achieve the exact filter response desired. Very simple filters, such as the HPF and LPF discussed in 438 are ...toff frequency, hear the processed audio signal, and see the effect on the frequency distribution of the signal, much like what happens in a DAW.
    6 KB (1,048 words) - 16:58, 24 April 2017
  • 8. Find the frequency response in two different ways of <math> y[n] + 2y[n-1] + 7y[n-3] = x[n] + 3x[n-2] < ...5 KHz, and a small formant at 4KHz. Below, plot the poles of the frequency response of this vocal recording.
    7 KB (1,194 words) - 19:21, 24 April 2017
  • ...multiple sources can lead to significant spatial variance in the frequency response. If two audio sources are at a similar level and significantly out of phase ...point. A FFT is then used to plot and graph the power spectral density vs frequency at that location. By playing pink noise (sound that has equal energy per oc
    2 KB (298 words) - 00:06, 24 April 2017
  • ...ns, I replaced the reference point of 4.5V with 0V, and I assumed that the frequency responses' filter characteristics should remain the same. With the help of Matlab, I obtained frequency responses for both transfer function: (with the Tone button turn to leftmos
    5 KB (752 words) - 16:44, 2 December 2017
  • | Frequency Response of the system is well-defined || Unit circle is inside ROC of transfer func
    967 B (143 words) - 13:22, 3 December 2017
  • ...ample, intensity of sunlight on a forest floor over time. Meanwhile in the frequency-domain, one is primarily concerned with the information contained in a sign ...hand, the frequency response will show how the info will be changed in the frequency domain.
    6 KB (897 words) - 16:44, 7 December 2017
  • ...herapeutic purposes. They are analytical devices that convert a biological response into an electric signal. Biosensor technology incorporates a wide range of ...artifacts; event detection, analysis of waveshape and waveform complexity; frequency domain characterization of signals and systems; modeling biomedical signal-
    12 KB (1,702 words) - 20:48, 9 April 2018
  • ...the linear magnetics, the frequency of the voltage response must match the frequency of the current excitation: <math>\omega_j = 100 \, \frac{\text{rad}}{\text{
    5 KB (816 words) - 15:22, 4 August 2018
  • =Relationship between the Time Domain and Frequency Domain= ...how one can solve for the output of a system via either the time domain or frequency domain. You will come to the same answer.
    5 KB (865 words) - 16:23, 2 December 2018
  • ...method to achieve this is to convolve the audio recording with an impulse response taken from the concert venue, or another location with similar acoustics. ===Audio Impulse Response===
    7 KB (1,070 words) - 00:57, 3 December 2018
  • d) Calculate the frequency response, <math>H(e^{j\mu},e^{jv})</math>. (Express your result in simplified from.) ...and let <math>y(n)=x(nT)</math> where <math>f_s=1/T</math> is the sampling frequency of the system.<br>
    2 KB (338 words) - 16:48, 19 February 2019
  • ...tp://cobweb.ecn.purdue.edu/~ipollak/ee438/FALL03/notes/Section1.3_9_26.pdf frequency analysis] ...<span class="texhtml">ω</span> versus Fourier transform as a function of frequency <span class="texhtml">''f''</span> (in hertz).
    10 KB (1,356 words) - 18:52, 20 August 2019
  • ...filter from the previous bullet point should be less than 1 for any given frequency, to ensure the system is a stable positive feedback system.
    3 KB (546 words) - 23:43, 1 December 2019

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Alumni Liaison

Ph.D. 2007, working on developing cool imaging technologies for digital cameras, camera phones, and video surveillance cameras.

Buyue Zhang