communications signal的意思|示意

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Communication signals refer to signals used in communication processes. They can be divided into analog signals and digital signals.

Analog signals refer to signals which are continuous and consist of various physical parameters that can be changed. These signals are usually represented by the waveforms of voltage and current, and include sound waves, wireless signals, optical signals and others.

Digital signals refer to signals that are composed of discrete digital values, such as 0 and 1. Digital signals can be used for digital voice, digital video, digital photography, digital text, digital storage and digital signal processing. Digital signals have a lower level of noise and allow for easier signal processing than analog signals.

Communication signals are used for a variety of purposes. They are used for transmitting and receiving data, for transmitting control signals, for communicating with other people or devices, for controlling and monitoring systems, and for other purposes. Communication signals can be used in various communication systems, such as wired and wireless networks, optical communication systems, satellite systems, and others.

Communication signals are essential for communication processes. They are used to transmit and receive data, to regulate communication systems, to control machines, and to perform other tasks. By using communication signals, we can easily send and receive data, control machines, and process information accurately and efficiently.