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The human voice is an analogue signal because the frequency of the sound varies in the sound waves as well as their amplitude that gives the power. Analog signal is defined as a signal that has a continuously varying amplitude or frequency. Human speech, and everything else a human hear, is in analog form.
analog signal
it can be genrated by multipling of the carrie signal and the message signal that varies the amplitud of the carrire nd supprssd the caarir signal.
The Role of modulation in signal transmission varies because of what type of signal should be modulated.Then how long it should be travel in air.All these points are considered, when we go before modulation.Suppose we are transmitting vedio signal means it should be only Amplitude Modulated signal.If we transmitting audio signal means it should be Frequency Modulated Signals.So the Role of the modulation is varies in signal transmission.
To convert from analog (continuously varying) to digital (consisting of ones and zeros) -usually discrete steps that can closely mimic the analog signal.
None, as it doesn't transmit continuously.
Transformer
An Analogue signal.
a circuit that produces a continuously oscillating signal.
The human voice is an analogue signal because the frequency of the sound varies in the sound waves as well as their amplitude that gives the power. Analog signal is defined as a signal that has a continuously varying amplitude or frequency. Human speech, and everything else a human hear, is in analog form.
discrete signal varies on the independent variable scale (example time scale) digital signal varies on the dependent variable scale as well
a continuously variable signal. it could be electronic, mechanical, hydraulic, optical, etc.
100
analog signal
Man On a Ledge
The trun signal lever needs to be replaced.
That varies depending on the circuit technology used and function of the signal.