What is the processing gain in a DSSS system with a 1.5-MHz channel and a data rate of 20 kbps?
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What is the processing gain in a DSSS system with a 1.5-MHz channel and a data rate of 20 kbps?
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- What will be the minimum transmission bandwidth of a PCM system if the number of bits per sample is 8 and the maximum frequency of the analog signal is 4.5 kHz?For a FM system, the maximum freq deviation is 75 kHz and the maximum freq of the info. signal is 10 kHz. What will be the total bandwidth of the FM system? What will be the modulation index?In a PCM system, channels of 3 KHz bandwidth are used. If the uniform quantizer has 128 number of levels, then what will be the channel capacity?
- For a PCM system, the value of the minimum transmission bandwidth is 25 kHz and the maximum frequency of the input waveform is 5 kHz. Estimate the total number of levels in the uniform quantizer present.What is the probability of error with a PSK system with a bit rate of 20kpbs, BW of 50 kHz, Noise power of 10-13 W, Carrier Power of 3.3-14 Joules?Q1:make a comparison between PAM and PPM? Q2: Draw a map of Pluse modulation types? Q3: How to generate the PPM?
- a noiseless 4kHz channel is sampled every 1msec, What is the maximum data rate? How does the maximum data rate change if the channel is noisy, with a signal to noise ratio of 30db?the question is "if we need to send an ECG data. determine a minimum and maximum data rate require to send this data". is the solution related to PCM(pulse coded modulation? explain in details please.Fora standard SSBSC carrier AM, the peak unmodulated carrier peak voltage is 10 V for a load resistance of 10 ohms and modulation index of 1. What will be the total transmitted power?
- 3/ A Digital Analog Converter of 12 Bits of Precision is available A/ Determine the signal to the system's peak noise ratio B/ If the signal is sampled at 44 kHz. What is the bits rate generated by the system? C/ Determine the required bandwidth if I wanted to transmit this data with a modulator 16-QAM.Discuss how the original signal can be recovered perfectly from the output of the decoder. What are the advantages of PCM system over the other types of modulation systems?Exxplain the rellation between BER and E/N_0, where E is the energy per bit,N_0 is the noise spectral density, BER is the bit error rate. What is the reason for usign channel coding?