modulation index


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modulation index

[‚mäj·ə′lā·shən ‚in‚deks]
(communications)
The ratio of the frequency deviation to the frequency of the modulating wave in a frequency-modulation system when using a sinusoidal modulating wave. Also known as ratio deviation.
References in periodicals archive ?
Therefore, in the paper, not only the booming index (BI) and modulation index (MI) are developed as the sound metrics of powerfulness and applied to the development of powerful index but also the ratio of order decay based on the spectrum decay is developed as the sound metric of pleasantness and applied to the development of pleasant index of a vehicle.
The amplitude modulation index of the PDPWM is given by
7 it could be noted that the absolute value of the mean error is at least 5 times smaller than the value of standard deviation for a given modulation index.
Also the same information is used to look up the control mode (SVPWM vs six-step) and the modulation index reference MI* from the table.
m] is the baseband signal frequency, A is the amplitude of AM signal, a is the amplitude modulation index, [k.
Ravenna developer, ALC NetworX, has declared that two new firms have been collaborated with Ravenna: Modulation Index from California, and 2wcom from the Schleswig-Holstein in Germany.
The non- linear matrix, differential matrix and solution error were calculated for entire range of modulation index.
The modulation index is set at 35A-1005 as discussed in [49] and the carrier frequency is to be taken as 10 GHz with equal length of OFDM signal.
The modulation index will be adjusted and two RF driving signals with 135[degrees] phase delay will be applied to obtain an optical MMW signal with OSSR as high as 32 dB and RFSSR exceeding 33 dB when an IDP-MZM with extinction ratio (ER) of 30 dB is utilized.
0] is the mean optical power, and m is the optical modulation index.