The signals which are obtained by encoding each quantized signal into a digital word is called as Select one: a. PAM signal b. PCM signal c. FM signal d. Sampling and quantization
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- In the figure below, an x(t) signal varying between +- 1.6 V is split into 8 quanta levels and converted to a digital signal. being converted. a) Calculate the quantization gap voltage (step)? b) Draw the PAM, PCM and ASK outputs in this conversion process? c) Calculate bit transmission rate if sampling pulse frequency ?? = 2kHz.In the application of typical digital signal processing, explain the concept of operation in Speech Coding and Compression.The number of bits per sample in a PCM system has SNqR=45 dB is?
- Explain why we need both Analogy as well as Digital signals? Also elaborate the process of converting an Analogue signal into Digital signal?A PCM system is used to transmit base4 signal of 512 level, the input signal works in the range between (30 to 70) MHz. Find the bit rate and signal to noise ratio in dB? Note that: the step size is considered to be double of system levels? *homework of digital signal processing
- 1/ A 4 MHz analog signal is to be converted to a binary signal (PCM). If the signal to peak quantization noise ratio should be at least 30 dB: a/ What is the size of the code word? b/ What is the system rate in bits per second if sampled at the Nyquist rate?Consider the analog signalx(t) = 3cos2000pit + 5sin6000pit + 10cos12000pit(a) What is the Nyquist rate for this signal?(b) Assume now that we sample this signal using a sampling rate Fs = 5000 samples/s. What is the discrete time signal obtained after sampling?An analog signal having a maximum frequency of 10 kHz is being transmitted through a PCM system with a uniform quantizer having 256 levels. What will be the minimum transmission bandwidth of the transmitted PCM signal?