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What is the relationship between sampling rates and frequency of the modulating signal when using pulse modulation?
The sampling rate must be at least double the highest frequency component of the modulating signal in order to avoid frequency aliasing.
What would be the minimum sampling interval needed for reconstructing a signal where the highest frequency is 1 kHz?
The Nyquist frequency for a signal with a maximum bandwidth of 1 KHz is 500 Hz, however that will lead to aliasing unless perfect filters are available. The Nyquist rate for a signal with a maximum bandwidth of 1 KHz is 2 KHz, so the answer to the question is 2 KHz, or 500 microseconds.
What is sampling thearm cocerning the rate of sampling required for analog signal?
It states that for satisfactory representation of the sampled signal the sampling frequency must be atleast equal to twice the highest input freq, which is called nyquist sampling. If its less than twice, undersamplin occurs resulting in distortion.
How Frequency Modulation Have Higher Bandwidth then AM?
Bandwidth is defined as difference between two frequencies.In AM only amplitude is modulated or changed to transmit the data at the given fixed frequency. In FM the frequency of the signal is changed to transmit the data. Since we will need a range of frequency to transmit the data using FM (say frequencies from f1 to f2), the bandwidth of FM signal will be higher than AM signal which can transmit at a fixed frequency.But.....The above answer does not address the issue of "strength of modulation", that is, modulation index.A.M. will always have a bandwidth of twice its highest modulating frequency regardless of the strength of modulation.For voice comms with about a 3 kHz maximum frequency, A.M. will demand (3+3) = 6 kHz of bandwidth.Because F.M. modulates the frequency swing of the transmitter, low modulation indexes with F.M. can give a bandwidth LESS than the maximum modulating frequency. Narrow-Band F.M. (NBFM) can have a bandwidth of *less than* 3 kHz, indeed it can have a bandwidth of only a few hundred hertz, in theory.In practice, very narrow NBFM suffers from worsening signal-to-noise ratios, and one of F.M.'s chief advantages over A.M. is the superior signal-to-noise of F.M. when it is allowed sufficient bandwidth.
An analog signal with a bandwidth of 1.5khz is to be digitalised what time intervals should the analog signal be sampled?
as a general rule of thumb, about 5 times the highest frequency for quality reproduction, although one can sometimes get away with a minimum of 2 times. 7.5KHz
A periodic signal with a bandwidth of 70khz and highest frequency 200khz all frequencies have amplitude of 110v draw the spectrum in frequency domain utilizing Microsoft Excel charting facility?
A periodic signal with a bandwidth of 70khz and highest frequency 200khz all frequencies have amplitude of 110v draw the spectrum in frequency domain utilizing Microsoft Excel charting facility? Answer this question…
What is the ideal sampling frequency?
Not less than double the highest frequency component of the signal you're sampling.
What is visible light frequency bandwidth?
The visible light frequency bandwidth ranges from approximately 430 to 750 terahertz, corresponding to wavelengths from about 400 to 700 nanometers. This range includes the colors of the rainbow, with red having the longest wavelength and lowest frequency, and violet having the shortest wavelength and highest frequency.
Which type of em spectrum has the highest wavelength?
The energy of EM radiation depends on its frequency, and the lowest frequency corresponds to the lowest energy. Radio waves are at the low end of the energy and frequency spectrum.
What types of radiation has the highest frequency?
In the electromagnetic spectrum Gamma radiation has the highest frequency.
What part of the em spectrum has the highest frequency?
The highest frequency in the electromagnetic spectrum is found in gamma rays. These rays have the shortest wavelengths and the highest energy levels of all electromagnetic waves.
Does violet light have the highest frequency?
The highest frequency in the visible portion of the electromagnetic spectrumis the last color you can see on the blue/violet end of the rainbow.
What color of light in the visible spectrum has the highest frequency?
The highest frequency/shortest wavelength of visible light isthe last color you can see on the blue end of the spectrum.
What things has the highest frequency in the electromagnetic spectrum?
Visible light has the highest frequency in the electromagnetic spectrum. It falls between ultraviolet and infrared light, with a frequency range of approximately 430 to 750 terahertz (THz).
What is the highest frequency in electromagnetic spectrum?
The highest frequency in the electromagnetic spectrum is gamma rays. Gamma rays have the shortest wavelengths and highest energy of all electromagnetic waves. They are produced by nuclear reactions and radioactive decay.
What has the highest frequency in the electromagnetic spectrum?
There is no such thing as the highest frequency. Since photons or electromagnetic travel at the speed of light its frequency correlates to the energy. The highest energy, and thus the highest frequency, is found in cosmic radiation, where a single photon may carry many millions of kiloelectronvolts.
What part of the electromagnetic spectrum has the greatest frequency?
If by greatest frequency you mean highest frequency, we know that the upper end of the electromagnetic spectrum has the greatest frequency. This is the home to the gamma rays. They have the highest frequency, shortest wavelength, and the greatest energy.
