Golgappa.net | Golgappa.org | BagIndia.net | BodyIndia.Com | CabIndia.net | CarsBikes.net | CarsBikes.org | CashIndia.net | ConsumerIndia.net | CookingIndia.net | DataIndia.net | DealIndia.net | EmailIndia.net | FirstTablet.com | FirstTourist.com | ForsaleIndia.net | IndiaBody.Com | IndiaCab.net | IndiaCash.net | IndiaModel.net | KidForum.net | OfficeIndia.net | PaysIndia.com | RestaurantIndia.net | RestaurantsIndia.net | SaleForum.net | SellForum.net | SoldIndia.com | StarIndia.net | TomatoCab.com | TomatoCabs.com | TownIndia.com
Interested to Buy Any Domain ? << Click Here >> for more details...

On what principle the sonar/ radar works

Answer Posted / b.b. das

It works on the principle of transmission(electromagnetic
wave),propagation andreflection

Is This Answer Correct ?    8 Yes 2 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

what would be main different environment in gsm and cdma core networking side?

1974


The magnitude of the gain or integrator transfer function using op-amp is A WR1Cf B -1/WR1Cf C -WR1Cf D 1/WR1Cf

1923


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?

2059


What is meant by retrace time?

1114


numerical on PCM.

2399


what is transmission ?how transmission is done in nokia 3G?

1905


What are the UE modes in GSM,GPRS,UMTS and LTE

3638


how to determine AC frequency through hardware ?

3010


Describe the working of 3φ semi converter. And derive the expressions for average output voltage and rms output voltage?

1089


where v see useful video in electronic circuits? which site it is free for download?

1821


what is the necessity of phase locked loop in amplitude modulation systems ?

2173


What is the difference between power amplifier and voltage amplifier?

1179


In Traffic Manager, What is the Use for Zero (0) timeslot.

2087


Ripple as referred to in a rectifier circuit.

1083


what is different between three phase balanced and three phase unbalanced load with chart.?

1146