SAMPLING FREQUENCY Meaning and
Definition
-
Sampling frequency, also known as sample rate, refers to the number of samples taken from a continuous signal within a given unit of time. It is a fundamental measure in digital signal processing and is often expressed in Hertz (Hz). The sampling frequency determines the rate at which an analog signal is converted into discrete digital samples.
In practical terms, when a continuous signal is sampled, it is divided into small time intervals, or samples, and the amplitude of the signal is recorded at each of these points. The sampling frequency determines how frequently these samples are taken, and subsequently, how accurately the original waveform can be represented in the digital domain.
The concept is closely related to the Nyquist-Shannon theorem, which states that to accurately reconstruct an analog signal from its samples, the sampling frequency must be at least twice the highest frequency component present in the signal. This is known as the Nyquist frequency.
The choice of sampling frequency is crucial in digital signal processing applications, as inadequate or excessively high sampling rates can result in a loss of information or unnecessary computational workload. Higher sampling frequencies allow for more accurate representation of the original signal but require more storage space and computational resources.
Overall, the sampling frequency is a critical factor in the process of converting analog signals into digital form, allowing for subsequent analysis, manipulation, and transmission in a range of applications such as audio and video processing, telecommunications, and scientific measurements.
Common Misspellings for SAMPLING FREQUENCY
- aampling frequency
- zampling frequency
- xampling frequency
- dampling frequency
- eampling frequency
- wampling frequency
- szmpling frequency
- ssmpling frequency
- swmpling frequency
- sqmpling frequency
- sanpling frequency
- sakpling frequency
- sajpling frequency
- samoling frequency
- samlling frequency
- sam-ling frequency
- sam0ling frequency
- sampking frequency
- sampping frequency
Etymology of SAMPLING FREQUENCY
The etymology of the word "sampling" can be traced back to the Middle English word "sampler", which meant an example or a pattern. It further evolved from the Old French word "essample", and the Latin word "exemplum" meaning an example or a model.
The term "frequency" has its roots in the Latin word "frequentia", meaning abundance or frequent occurrence.
Therefore, the term "sampling frequency" combines "sampling", referring to taking a small portion as an example, and "frequency", referring to the rate at which an event or phenomenon occurs. In the context of signal processing and digital audio, the sampling frequency refers to the rate at which a continuous signal is converted into a discrete-time signal by taking multiple samples per second.
Similar spelling word for SAMPLING FREQUENCY
Infographic
Add the infographic to your website:
