Low-pass filtering is needed in a DSP system to prevent
A) biasing. B) harmonics.
C) digital signals from going to the input. D) aliasing.
D
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Answer the following statement(s) true (T) or false (F)
1. The tank section is at the heart of an analog oscillator; however, instead of restoring an AC waveform, the oscillator creates one. 2. In a “normal” or “standard” sine wave, the positive alternation comes first, and the negative alternation follows. 3. The Hartley oscillator always generates an exact frequency. 4. The Clapp oscillator has a much less accurate output frequency than the Hartley or Colpitts oscillators. 5. A crystal has both a series resonant frequency and a parallel resonant frequency.
In UNIX/Linux, all shells support the same commands and programming statements.
Answer the following statement true (T) or false (F)
Technician A says a dual master cylinder uses two matching primary pistons. Technician B says the pistons can create separate pressures in some instances. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
Describe how a low-pass filter works.
What will be an ideal response?