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Sampling in digital communication is the process of converting a continuous signal into a discrete signal by taking periodic measurements of the amplitude of the continuous signal at specific intervals. This process enables the representation of analog signals in a digital format, allowing for efficient transmission, storage, and processing. The sampling rate must be high enough to capture the essential characteristics of the signal, adhering to the Nyquist theorem to prevent aliasing. Proper sampling is crucial for maintaining the integrity and quality of the transmitted information.

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Why do you need sampling of signal?

Sampling of a signal is essential because it allows continuous signals to be converted into a discrete form that can be analyzed and processed by digital systems. By sampling, we can capture and represent the important features of the signal while reducing the amount of data needed for storage and transmission. This process is fundamental in various applications, such as digital audio, video processing, and telecommunications, where efficient data handling is crucial. Proper sampling ensures that the original signal can be accurately reconstructed later, adhering to the Nyquist-Shannon sampling theorem.


What is voltage sampling?

Voltage sampling is the process of measuring the voltage level of an electrical signal at specific intervals or points in time. This technique is commonly used in digital signal processing and data acquisition systems to capture and analyze voltage variations over time. By sampling the voltage, devices can convert the analog signal into a digital format for further processing, enabling applications such as monitoring, control, and analysis in various electronic systems.


What are the various kind of sampling?

They include: Simple random sampling, Systematic sampling, Stratified sampling, Quota sampling, and Cluster sampling.


What is nyquist sampling?

Nyquist sampling refers to the principle that to accurately capture a continuous signal, it must be sampled at least twice the highest frequency present in that signal. This minimum sampling rate is known as the Nyquist rate. If the sampling rate is lower than this threshold, it can lead to aliasing, where higher frequency components are misrepresented as lower frequencies, distorting the signal. This concept is crucial in fields like digital signal processing and telecommunications.


Why fourier transform is used in digital communication why not laplace or z transform?

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Related Questions

Why you are using sampling theorem in communication systems?

sampling is a one type of process use for converting into analog signal to digital signal.


What is the advantage of sampling analog signal?

1-What are the advantages of sampling analog signals?2-what are the following terms mean : instantaneous Sampling , Natural Sampling , and Flat-top Sampling ?3- what are the advantages of digital communication over analog communication ?4-Explain the reason for making the sampling frequency greater than or equal to (2B)Hz , where B is the bandwidth of the analog signal


Definetion of nyquist rate in digital communication?

if the sampling rate is twice that of maximum frequency component in the message signal it is known as nyquist rate


What is common sampling technique in communication system?

Random Sampling is the most common sampling technique


Why digital communication is known as digital communication?

because it's digital communication.


Why must sound and video input to a PC be converted from analog to digital?

Because in order to preserve the original sound, a digital sampling rate must be twice the frequency of the analog signalAnalog data is smooth and continuous, where as digital data, such as the binary data used in computers, has distinct gradations. The process of producing digital data by measuring data at a series of representative points is called sampling.


What is the sampling rate in Hz?

Sampling rate is a defining characterstic of any digital signal. In other words, it refers to how frequently the analog signal is measured during the sampling process. Compact disks are recorded at a sampling rate of 44.1 kHz.


Why do you go for sampling in digital signal processing?

we have to do sampling in dsp because in dsp we have to convert all in analog signal in digital form so for converting into digital signal first we have to convert continuous tome signal into discrete time signal....so we use samplin in dsp...


What is sampling rate in audio digitization?

Sampling rate or sampling frequency defines the number of samples per second (or per other unit) taken from a continuous signal to make a discrete or digital signal.


What is meant by sampling in analog to digital conversion?

while conversion of analog signal to digital signal, we need to convert continuous analog signal to discrete signal. this can be done by dividing the analog signal into specific time slots. this process is known as sampling. there is a condition for sampling that can be given as follows. fs<=2fm


How data communication and digital communication differ?

In digital communication we talk about signal while in data communication we talk about data and the could be in the form of packets or frames.


Difference between analog communication and digital communication?

Analog communication considers infinite amplitude levels. But in digital communication only 2 levels of signal is present.