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Main difference between spectrum analyzer and cathode ray oscilloscope?
an oscilloscope give amplitude v/s time display of a wave, whereas the spectrum analyzer gives amplitude v/s frequency display. the oscilloscope gives distribution of energy in wave with respect to time whereas the spectrum analyzer displays frequency components of a wave and their amplitudes.
How is interference avoided by using FDM?
Interference is avoided under frequency division multiplexing by the use of guard bands, which are unused portions of the frequency spectrum between subchannels. by abdullahi yusuf gedi
What is Difference between prismatic spectrum and grating spectrum?
Grating spectrum is a spectrum produced as a result of diffraction, as by a grating.Whereas prismatic spectrum is a consequence of dispersion of light by a prism. In grating spectrum you also observe different orders of spectral lines which does not happen in prismatic spectrum. Hope this helps VIBHAV ZUTSHI B.Tech '13 IIT Kharagpur
What is the difference between frequency and pitch?
The human ear is capable of detecting sound at frequencies between about 20 and 20,000 Hz. Within this frequency range, however, the response of the ear is not uniform. The ear is most sensitive to frequencies between 200 and 4000 Hz, and its response decreases toward both higher and lower frequencies. There are wide variations in the frequency response of individuals. Some people cannot hear sounds above 8000 Hz, whereas a few people can hear sounds above 20,000 Hz. Furthermore, the hearing of most people deteriorates with age. The sensation of pitch is related to the frequency of the sound. The pitch increases with frequency. Thus, the frequency of middle C is 256 Hz, and the frequency of the A above is 440 Hz. There is, however, no simple mathematical relationship between pitch and frequency. frequency causes the different types of pitch
Why infrared is named as infrared?
This has to do with the electromagnetic spectrum. Whether you know it or not, Gamma-rays, ultraviolet, X-rays, microwaves, visible light, infrared, and radio/tv waves are all the same thing, just in different doses. Infrared literally means "below-red", while ultraviolet means (beyond or above violet, or purple). With fore-said spectrum, visible lights highest frequency color appears to us as purple. At a slightly lower frequency we observe blue, then green, followed by yellow, and eventually red. In between each of these colors we observe intermediate colors like magenta, teal, orange and pink. At a frequency lower than, or below, red, we begin to enter the infrared area of the electromagnetic spectrum. Above purple, we enter the ultraviolet area of the electromagnetic spectrum.
What is the difference between Pitch and volume of a maraca?
Volume (loudness), pitch and timbre are approximately the correlates of signal amplitude, frequency and frequency spectrum, respectively.
Difference between RF microwave?
RF means radio frequency or relativity low range of frequency microwaves however are into the top range of the spectrum or very hi frequency.
Deacribe a method for frequency translation?
let me explain it : The transfer of signals occupying a specified frequency band, such as a channel or group of channels, from one portion of the frequency spectrum to another, in such a way that the arithmetic frequency difference of signals within the band is unaltered. One key operation is the frequency translation of a signal spectrum from one center frequency to another. Conversions between baseband and bandpass representations (modulation and demodulation) are special cases of this. Conceptually, the most simple case is the (complex) I/Q-mixing. Here the input sequence is multiplied by a complex exponential signal corresponding to the local oscillator (LO) frequency fLO.(2.1)It follows directly from the properties of Fourier transform that I/Q mixing causes a pure frequency translation of the signal spectrum:(2.2)Complex mixing used to produce pure frequency translation of input spectrum.
What is the difference between succeeding terms called?
The difference between succeeding terms in a sequence is called the common difference in an arithmetic sequence, and the common ratio in a geometric sequence.
What is relationship between signal spectrum and bandwidth?
Signal Bandwidth is the Bandwidth of particular frequency at which signal is transmitted and Bandwidth of spectrum which can able two show number of signal between Intrest of frequency.
What is the difference between cumulative frequency and frequency?
nothing
What is the frequency of IR spectrum?
Between O.7 and 300 micrometres
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 does high frequency resolution mean?
High frequency resolution refers to the ability to distinguish between closely spaced frequency components in a signal or spectrum. It indicates the smallest frequency difference that can be detected or resolved by a measuring or analyzing system. A system with high frequency resolution would be able to distinguish between two frequencies that are very close to each other.
What is the difference between the words pitch and frequency?
Frequency has a 'Q' in it.
Main difference between spectrum analyzer and cathode ray oscilloscope?
an oscilloscope give amplitude v/s time display of a wave, whereas the spectrum analyzer gives amplitude v/s frequency display. the oscilloscope gives distribution of energy in wave with respect to time whereas the spectrum analyzer displays frequency components of a wave and their amplitudes.
What is the principle difference between radio waves and visible light?
Both of these are part of the electromagnetic spectrum. The main difference between the two is the wavelength and frequency. (Frequency multiplied by Wavelength always equals the Speed of Light, the constant abbreviated as "c". This is approximately equal to 186,000 miles per second or 300,000 km per second. If you know the wavelength and you want to find the frequency, divide "c" by the wavelength. )
