167. In BPSK, we use a polar Non Return to Zero (NRZ) signal for a. Decoding b. Encoding c. Modulation d. Demodulation
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| 167. | In BPSK, we use a polar Non Return to Zero (NRZ) signal for |
| a. | Decoding |
| b. | Encoding |
| c. | Modulation |
| d. | Demodulation |
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- A binary signal is sent over 5-kHz channel whose signal-to-noise ratio is 20dB. Will this be an error-freecommunication? Hint: Assume Bmsg = Btx and calculate Nyquist and Shannon rates.]Convert 1, 9, and 1 into 8-bit ASCII characters usingeven parity. Convert this 24-bits digital data into digital signal using the following linecoding schemes:a) Bipolar AMIb) Polar NRZ-Lc) Polar differential Manchesterd) 2B1Qe) MLT-3If the bitrate is 1911*100 what will be required average bandwidth in these schemes.Comment about the DC component and baseline wandering nature of these schemes.(a) Compare the terms Throughput and Goodput. (b) Describe the principle of Manchester Signaling encoding scheme. (c) Decode the following digital signal using NRZ.
- Which encoding technique solves the loss of synchronization because of long 0’s and 1’s? A. Manchester B. Psuedoternary C. Polar-NRZ D. Polar-RZUsing the digital modulation and line encoding techniques, modulate and encode this digital data: 0010 1001 NRZ-L, NRZ-M, NRZ-S, RZ57. Which quantization level results in a more faithful reproduction of the signal? a. 2 b. 8 c. 16 d. 32
- Convert the bit stream 1 0 1 0 1 1 0 1 0 1 for the following schemes NRZ-L NRZ-S UNIPOLAR-RZ BIPOLAR-RZDifferential Manchester encoding has a transition at the beginning of each 0 bit. Need explanation?A technique used by codes to convert an analog signal into a digital bit stream is known as Pulse code modulation why?
- 272. Line coding, block coding and scrambling are three techniques of a. Digital to digital conversion b. Digital to analog conversion c. Analog to analog conversion d. Analog to digital conversionWe have sampled a low-pass signal with a bandwidth of 200 KHz using1024 levels of quantization.a. Calculate the bit rate of the digitized signal.b. Calculate the SNRdB for this signal.c. Calculate the PCM bandwidth of this signal.What is TLB and Hit-Ratio?