Bandwidth (signal processing) & Communication channel - Unionpedia, the concept map

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Difference between Bandwidth (signal processing) and Communication channel

Bandwidth (signal processing) vs. Communication channel

Bandwidth is the difference between the upper and lower frequencies in a continuous band of frequencies. A communication channel refers either to a physical transmission medium such as a wire, or to a logical connection over a multiplexed medium such as a radio channel in telecommunications and computer networking.

Bandwidth (computing)

In computing, bandwidth is the maximum rate of data transfer across a given path.

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Baseband

In telecommunications and signal processing, baseband is the range of frequencies occupied by a signal that has not been modulated to higher frequencies.

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Bit rate

In telecommunications and computing, bit rate (bitrate or as a variable R) is the number of bits that are conveyed or processed per unit of time.

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Channel capacity

Channel capacity, in electrical engineering, computer science, and information theory, is the theoretical maximum rate at which information can be reliably transmitted over a communication channel.

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Decibel

The decibel (symbol: dB) is a relative unit of measurement equal to one tenth of a bel (B).

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Frequency response

In signal processing and electronics, the frequency response of a system is the quantitative measure of the magnitude and phase of the output as a function of input frequency.

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Hertz

The hertz (symbol: Hz) is the unit of frequency in the International System of Units (SI), equivalent to one event (or cycle) per second.

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Information theory

Information theory is the mathematical study of the quantification, storage, and communication of information.

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Modulation

In electronics and telecommunications, modulation is the process of varying one or more properties of a periodic waveform, called the carrier signal, with a separate signal called the modulation signal that typically contains information to be transmitted.

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Noise (electronics)

In electronics, noise is an unwanted disturbance in an electrical signal.

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Passband

A passband is the range of frequencies or wavelengths that can pass through a filter.

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Radio

Radio is the technology of communicating using radio waves.

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Signal

Signal refers to both the process and the result of transmission of data over some media accomplished by embedding some variation.

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Signal-to-noise ratio

Signal-to-noise ratio (SNR or S/N) is a measure used in science and engineering that compares the level of a desired signal to the level of background noise.

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Spectral efficiency

Spectral efficiency, spectrum efficiency or bandwidth efficiency refers to the information rate that can be transmitted over a given bandwidth in a specific communication system.

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Symbol rate

In a digitally modulated signal or a line code, symbol rate, modulation rate or baud rate is the number of symbol changes, waveform changes, or signaling events across the transmission medium per unit of time.

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Telecommunications

Telecommunication, often used in its plural form or abbreviated as telecom, is the transmission of information with an immediacy comparable to face-to-face communication.

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