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Figure 3-11. Spectra of frequency-modulated signals with various values of modulation index for a constant modulation frequency. It can be seen that for small values of the modulation index M (e.g. M ...
Save guides, add subjects and pick up where you left off with your BBC account. f = frequency = number of waves produced by a source per second, in hertz Hz. T = period = time it takes for one ...
Learn about how waves are measured according to amplitude, wavelength and frequency. ... Wave graphs; Wave speed equation; Page 5; Question. A boat at sea bobs up and down as waves pass.
An experimental comparison of amplitude and frequency modulation at a frequency of 90 mc/s, using indoor aerials. Report 1949-34. Download. Published: 1 January 1949. Abstract.