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corner frequency

corner frequency

[′kȯr·nər ‚frē·kwən·sē]
(control systems)
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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References in periodicals archive
c is the velocity of the P wave or S wave in the seismic source region, and [f.sub.c] is the corner frequency. Its formula [32] is
Microphones were chosen to exhibit flat frequency response in bandwidth of respiratory sounds (i.e., 100 to 1000 Hz) and accelerometers featuring a resonant frequency well above the upper corner frequency.
The active signal filter is formed by using an AC op-amp integrator with DC gain control with the corner frequency of 15.92 kHz.
The MOSFETs are biased in the subthreshold region and this will provide high output impedance and hence enhance the lower corner frequency. All biased currents are designed using simple current mirrors.
For the 85 % of rock bursts, the corner frequency does not exceed 23 Hz.
The highpass corner frequency was determined from De Luca.
The output current filter may easily be designed by choosing both a desired filter corner frequency and a small inductor value (one freedom degree).
According to Figure 5 a pessimistic estimation of the OTA corner frequency is around 100 kHz.
For all measurements, the highpass filter corner frequency is set 8 % lower than the measurement frequency, and the lowpass filter corner frequency is set 8 % higher than the measurement frequency.
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