3.Which type of fading cause serious distortion of
modulated signal
a)selective fading
b)interference fading
c)absorption fading
d)polarization fading
- 7 Answers
- 16783 Views
- Cisco, Ericsson, HCL, I also Faced
- E-Mail Answers
Answer Posted / raghu
b.
| Is This Answer Correct ? | 0 Yes | 3 No |
Post New Answer View All Answers
Explain full duplex and half duplex.
where v see useful video in electronic circuits? which site it is free for download?
Describe the operation of series inverter with aid of diagrams. Describe an expression for output frequency, current and voltages. What are the disadvantages of basic series inverter?
What is the difference between dcs & plc & scada?
what is difference b/w watt loss and watt full devices. what is watt loss and watt full devices?
Define what is hole current?
What are the different methods to turn on the thyristor?
Explain how to increase the gain and directivity of an antenna?
Explain the difference allen bradley and siemens plc
What is the height of ESMA card?
Explain the difference between emulator and simulator?
Im Simil,doing 6th semester Electronics & Communication Engineering.After completing my course I would like to be an integral part of Siemens technology.For dat when & how shoult I apply?
hi .. i have done my b.e in under electronics and communication engineering and now i have opted for computer engineering which has most of communication related subjects. still what should i answer, if i am been asked "why didnt yu opt for electrical engineering"
What is meant by D-FF? What is the basic difference between Latches and Flip flops? What is a multiplexer? How can you convert an SR Flip-flop to a JK Flip-flop? How can you convert an JK Flip-flop to a D Flip-flop? What is Race-around problem? How can you rectify it? Which semiconductor device is used as a voltage regulator and why? What do you mean by an ideal voltage source? What do you mean by zener breakdown and avalanche breakdown? What are the different types of filters? What is the need of filtering ideal response of filters and actual response of filters? What is sampling theorem? What is impulse response? Explain the advantages and disadvantages of FIR filters compared to IIR counterparts. What is CMRR? Explain briefly. What do you mean by half-duplex and full-duplex communication? Explain briefly. Which range of signals are used for terrestrial transmission? What is the need for modulation? Which type of modulation is used in TV transmission? Why we use vestigial side band (VSB-C3F) transmission for picture? When transmitting digital signals is it necessary to transmit some harmonics in addition to fundamental frequency? For asynchronous transmission, is it necessary to supply some synchronizing pulses additionally or to supply or to supply start and stop bit? BPFSK is more efficient than BFSK in presence of noise. Why? What is meant by pre-emphasis and de-emphasis? What do you mean by 3 dB cutoff frequency? Why is it 3 dB, not 1 dB?
Explain the structure of entire GSM.
