antenna theory的意思|示意

美 / ænˈtenə ˈθiəri / 英 / ænˈtɛnə ˈθiəri /

天线理论


antenna theory的用法详解

'

Antenna theory is an important branch of electrical engineering. In general, an antenna is a device that receives and sends radio waves. It is made up of conductive materials such as aluminum, copper, and steel, and is designed to capture and direct the signal in a particular direction.

Antennas are used to transmit, receive, and reflect radio signals over a certain frequency range. This includes both wireless and wired communication. The main purpose of an antenna is to send or receive signals from a specific source. This includes broadcasting, cell phones, satellite TV and radio, and the internet.

Antenna theory is a complex topic which can be divided into two parts: the directivity and the radiation pattern. Directivity is the ability of an antenna to capture signals from a particular direction. Radiation pattern is the pattern of the energy emitted from an antenna and is used to determine how far the signal will travel and in what direction it will be sent.

The shape and design of an antenna are also important factors in antenna theory. Different antenna designs have different radiation patterns, which can be used to determine the best type of antenna for a particular application. For example, a directional antenna is used to send and receive signals in one direction and is ideal for broadcasting. A non-directional antenna is designed to transmit and receive signals in all directions and is used for receiving signals from multiple sources.

The impedance of an antenna is another important factor in antenna theory. The impedance of an antenna is a measure of the electrical resistance of the antenna and is used to determine the amount of power required to transmit a signal. This is important to ensure that the transmitted signal is not distorted or weakened by the antenna's impedance.

Antenna theory is a complex field of study and can be difficult to understand. However, with the right information and knowledge, it is possible to learn about the different types of antennas and how to design them for a particular application. With this information, you can create antennas that perform optimally for your specific needs.

'

antenna theory相关短语

1、 Antenna Theory and Radiation 近代天线理论和技术

2、 Antenna Theory and Design 天线理论与设计

3、 Antenna-Theory-Design 这本书主要关于天线的设计

4、 Antenna array theory 天线阵理论

5、 theory of array antenna 阵列天线理论

6、 PHASE THEORY OF ANTENNA BEAM 天线波束相位理论