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nonlinear device modulation is a process which imparts to sinusoidal two or more amplitude levels.

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13y ago

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Why is Angle Modulation called nonlinear modulation?

angle modulation is called non linear modulation because the information is stored in phase of the carrier signal


What is nonlinear devices?

Nonlinear devices are components that do not follow a linear relationship between input and output. This means that their response is not proportional to the input signal. Examples include diodes, transistors, and nonlinear capacitors. Nonlinear devices are often used in electronic circuits to perform functions like signal processing and modulation.


What is the relation between susceptibility and nonlinear refractive index?

The susceptibility of a material describes its response to an external electric field, while the nonlinear refractive index relates to the change in refractive index with intensity of light. In some cases, the nonlinear refractive index can be related to the third-order susceptibility of a material when considering nonlinear optical effects such as self-focusing or self-phase modulation.


What has the author Rudolf Donocik written?

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Nonlinear model of communication?

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What does AM and FM stand for in radios?

AM - Amplitude Modulation FM - Frequency Modulation


Need for modulation?

modulation


What are the two types of angle modulation?

Frequency Modulation and Phase Modulation


Why should be the voltage of the modulating signal greater than that of the carriers in the nonlinear modulators?

When the modulating signal is greater than the carrier it can cause over modulation, that will cut of the peaks of the modulating signal and when detected by the receiver the final audio signal will also show the flat peaks and the results will be a distorted sound at the speaker. A 90% modulation is always better than a 100% modulation. In the case of frequency modulation it will cause the frequency to shift to much and will result in a to wide band and will cause adjacent channel interference, it can be so severe that a transmitter can occupy the whole spectrum of the band that is allocated for FM broadcasting.


When modulation frequency is double the modulation index is halF and the modulating voltage remains constant the modulation system is?

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How velocity modulation and density modulation related to each other?

due to velocity modulation density modulation occurs in TWT