Q2: x(t)= 50 cos 200n t 1- Determine the minimum sampling rate required to avoid aliasing. 2- Suppose that the signal is sampled at the rate fs=400 Hz, what is the discrete-time signal obtained after sampling. 3- What will happened if you sample the above signal at sampling frequency equal to 10 KHz ?

Q2: x(t)= 50 cos 200n t 1- Determine the minimum sampling rate required to avoid aliasing. 2- Suppose that the signal is sampled at the rate fs=400 Hz, what is the discrete-time signal obtained after sampling. 3- What will happened if you sample the above signal at sampling frequency equal to 10 KHz ?

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

See similar textbooks

Similar questions

Consider an analog-to-digital conversion (ADC) system with an ideal sampler, a uniform quantizer, and a binary encoder. The sampling rate is the same as the Nyquist sampling rate. The input signal to the uniform quantizer has an average power of 30 and an amplitude range of [-3,3]. The output signal-to-quantization-noise ratio (SQNR) of this uniform quantizer is 22.04 dB. The bit rate is 10 bits/second. What is the bandwidth of the input signal to this ADC system? 10 Hz 1.25 Hz 5 Hz 2.5 Hz
2. In voice morphing application of DSP a person voice is captured and sampled for 50second by using 24-bit ADC at a sampling frequency of 40 kHz. The samples arestored on a memory chip.i. What is the minimum memory size in bytes required to store all the samples?ii. How long the signal must be sampled to store the samples in 4 GB hard disc.iii. What should be the highest frequency component of the signal?iv. If the sampling frequency is increased by 25% then how long the signal mustbe sampled to store samples in 4 GB hard disc.
1. What are the control methods for electromechanical systems. What arethe advantages of each method? 2. What are the design steps for a microcontroller basedelectromechanical system? 3. Given that sampling frequency (fs) is equal to 250Hz and Nyquistfrequency (fN) is equal to two times of the alias frequency, find the aliasfrequency. 4. You need to design a quantizer for a sensor which measures voltagevalues between 40 V and 200 V. If your resolution is 4 (n value) findthe number of output states (N) and quantization step (Q). 5. Design a capacitive transducer to be able to measure the displacementof a rotating element in a machine. Sketch the diagram and specifywhich parameters will let you measure the displacement.
1. During the process of digital sampling, data can be lost due to aliasing.Analyse this problem and provide at least two possible solutions. Also,determine the rate at which a signal should be sampled, if the highestfrequency is 50MHz. (b) An 9-bit binary number is used to represent an analog value in the rangefrom -10oC to 100oC, determine the resolution of the system andinterprete your result.
1. Sample and hold circuit uses what type of sampling? 2. Which of the following statement is not true about Companding? A. Companding increases the dynamic range of small signals B. Companding prioritizes small amplitude signals than large amplitude signals C. Companding is the process of compressing and then expanding D. All of the choices E. None of the choices
1. In MS tams project meeting the student audio voce is captured and sampled for 10 second by an 12-bit ADC at a sampling frequency of 30 kHz. The samples are stored on a memory chip.i. What is the minimum memory size in bytes required to store all the samples?ii. How long the signal must be sampled to store the samples in 1 GB Pen drive iii. What should be the highest frequency component of the signal?iv. If the sampling frequency is increased by 50% then how long the signal must be sampled to store samples in 1 GB Pen drive
A Digital camera captures an image and sampled for 4 seconds by a 16-bit ADC at a sampling frequency of 20 kHz. The samples are stored on a memory chip. a) What is the minimum memory size in bytes required to store all the samples? b) How long the signal must be sampled to store the samples in 200Mbytes CD-ROM c). What should be the highest frequency component of the signal? d). If the sampling frequency is doubled then how long the signal must be sampled to store samples in 200Mbytes CD-ROM
what causes aliasing? a, when the original analog signal is outside the voice band frequency range. b. when each cycle of the analog input signal is not sampled at least twice. c. is produced when the magnitude of a sample is rounded off to closest available level. d. the sample and hold circuit naturally introduces alias of the input.
A Delta modulator is used to encode a speech signal x(t) = b sin Wmt band-limited to fm = 10KHz with sampling frequency, fs-100 KHz. For b = +4-volt peak signal voltage, 1) Find the minimum step size to avoid slope overloading. 2) Calculate Signal to quantization noise ratio.
In MS tams meeting teacher audio voce is captured and sampled for 20 second by an16-bit ADC at a sampling frequency of 50 kHz. The samples are stored on a memorychip.i. What is the minimum memory size in bytes required to store all the samples?ii. How long the signal must be sampled to store the samples in 1 GB Pen driveiii. What should be the highest frequency component of the signal?iv. If the sampling frequency is reduced by 50% then how long the signal must besampled to store samples in 1 GB Pen drive
In MS tams meeting teacher audio voce is captured and sampled for 20 second by an16-bit ADC at a sampling frequency of 50 kHz. The samples are stored on a memorychip. i. What is the minimum memory size in bytes required to store all the samples?ii. How long the signal must be sampled to store the samples in 1 GB Pen driveiii. What should be the highest frequency component of the signal?iv. If the sampling frequency is reduced by 50% then how long the signal must besampled to store samples in 1 GB Pen drive 3. Discuss the significance of DFT in signal processing applications
Assuming the bandwidth of a speech signal is from 25 Hz to 4.5 kHz and that of a music signal is from 30 Hz through to 22 kHz. a) Derive the bit rate is generated by digitization procedure in each case assuming the Nyquist rate sampling rate is used with 12 bits per sample for the speech signal and 16 bits per sample for the music signal. b) Derive the memory required to store a two-hour passage of stereophonic music.