Interested to Buy Any Domain ? << Click Here >> for more details...
What is meant by pre-emphasis and de-emphasis?
- 24 Answers
- 113109 Views
- BEL, BSF, I also Faced
- E-Mail Answers
Answer Posted / shruti
Pre-emphasis is a strong high frequency boost before the transmitter, and an equally strong high frequency attenuation in every radio.
In telecommunication, de-emphasis is the complement of pre-emphasis, in the antinoise system called emphasis. Emphasis is a system process designed to decrease, (within a band of frequencies), the magnitude of some (usually higher) frequencies with respect to the magnitude of other (usually lower) frequencies in order to improve the overall signal-to-noise ratio by minimizing the adverse effects of such phenomena as attenuation differences or saturation of recording media in subsequent parts of the system.
| Is This Answer Correct ? | 1 Yes | 0 No |
Post New Answer View All Answers
hello i have applied for group 2 exams but i didn't got my hall ticket till now can anyone please tell me what to do.
Explain the approximate cost of the corrosion penetration monitoring system(cpmp)?
What are the effects of ageing or using second hand IC or other electronic components?
What is the purpose of using data modem.
What is memristor? How many modes it works? What is its advantage?
what its mean 'inverter based technology' ? if we talk about refrigerators, splits ACs etc how it helps to produce & keep more coolness and chilled atmosphere ?
7. Orange LED on RRI card is glowing – what is the indication?
I would like to do my MS in US but i have a second class in B.tech with 56% where in i have good acedemics in 10th and inter .Is it posiible to get a US visa if i get good scores in GRE and toefl.I have work experience in an Internation call center for 1 year will they consider me for US visa as i have a gap of 2 yaers after my B.tech will the visa be succesful.What would be the answer if they ask me why you worked in callcenter after your B.tech and why opting for MS now when you didnt show interest in your B.tech background....
What is the difference between power amplifier and voltage amplifier?
What are edge triggered flip flop and level triggered flip flop? How do they differ from one another?
Can we get light when the circuit is working?
Noise with uniform power spectral density of n0w/hz is passed through a filter h (w) = 2 exp(-jwtd) followed by an ideal low pass filter of bandwidth bhz. What is the output noise power in watts?
Explain what is an asic?
Explain various types of antenna diversity.
Can you help me correct FM transmitter circuit?
