What is the defination of modulation?

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Rajiv Sampat

MODULATION is when you change your pitch of voice and tone to emphasize on key words during a conversation. A playback singer modulates his voice to suit the song being enacted on the screen.
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Audio waves are super imposed on carrier waves so that any one characteristics amplitude,frequency or phase of the carrier waves changed is called modulation.
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When modulating signal superimposed by carrier wave and there characteristics changes in frequency or amplitude or angle is modulation
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Any message signal which is passed through a (channel) carrier signal in order to transmit the message signal to longer distances is known as modulation. Here the modulation may be amplitude or frequency or phase modulation.
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Mechanical Engineer

In a simple definition to control someting Something in a influence way is a modulation. Now you interlink this definition with mechanical and electrical way.
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Modulation in simple terms means to superimpose a wave on a carrier wave which helps to maintain the characteristics of the initial wave while traversing.
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Before understanding Modulation, U should know why do we need modulation in first place. Modulation is needed in order to extend the range of a signal, so to propogate signal to a wider range with low energy loss ,we use Modulation . All the definations given below are quite self explanatory, still We...
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Before understanding Modulation, U should know why do we need modulation in first place. Modulation is needed in order to extend the range of a signal, so to propogate signal to a wider range with low energy loss ,we use Modulation . All the definations given below are quite self explanatory, still We can Understand Concept of modulation by an simple eg. of bike rider. U can treat urself as signal and ur bike as a carrier wave . When u need to go nearby place by u go by urself u dont need a vehicle, but if u want to go to a far distance(increase ur range) u need a vehicle on which u can sit and easily go, witout losing much of ur energy. read less
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Tutor

In electronics or telecommunications modulation is the process of varying one or more properties of a periodic waveform called the carrier signal that typically contained information to be transmitted
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Mahesh sir

Controling influince on something.... Or pitch of sound or voice
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