The process of translating the information contained by the low base band signal to high frequencies is called

The process of translating the information conta-ined by the low base band signal to high frequencies is called

The process of translating the information conta-ined by the low base band signal to high frequencies is called

The Process of superimposing message signal on high frequency wave is called

Modulation is the phenomenon of superimposing the low audio frequency base band message or information signals ( called the modulation signals) on a high frequency wave (called, the carrier wave). The resultant wave is called the modulated wave, which is transmitted. Read the above passage and answer the following questions: (i) What are the Audio Frequency and Radio Frequency ranges? (ii) Why audio frequency signals, as such cannot be transmitted over long distance? (iii) What does the phenomemom imply in day to day life ?

Statement 1 : The process of superimposing audio wave (low frequency) on the carrier wave (high frequency) is called modulation. Statement 2 : The process of separating the audio wave the carrier wave is called demodulation.

Assertion : The information contained in our original low frequency baseband signal is to be translated into high or radio frequencies before transmission. Reason: For transmitting a signal, the antenna should have a size comparable to the wav elength of the signal.

Assertion : The information contained in our original low frequency baseband signal is to be translated into high or radio frequencies before transmission. Reason: For transmitting a signal, the antenna should have a size comparable to the wav elength of the signal.