voltage feed dipole

简明释义

电压馈电偶极子

英英释义

例句

1.In this experiment, we tested the efficiency of the voltage feed dipole in various frequency ranges.

在这个实验中，我们测试了电压馈送双极子在不同频率范围内的效率。

2.The voltage feed dipole is crucial for ensuring that the transmitted signals maintain their integrity.

为了确保传输信号保持完整，电压馈送双极子是至关重要的。

3.The design of the antenna included a voltage feed dipole to enhance signal reception.

天线的设计包括一个电压馈送双极子以增强信号接收。

4.We encountered difficulties when calibrating the voltage feed dipole due to interference from nearby structures.

由于附近结构的干扰，我们在校准电压馈送双极子时遇到了困难。

5.For optimal performance, the voltage feed dipole should be positioned at a height of at least 1 meter above ground.

为了获得最佳性能，电压馈送双极子应至少高于地面1米。

作文

In the field of electrical engineering and antenna design, understanding various components is crucial for optimizing performance. One such important component is the voltage feed dipole (电压馈送偶极天线), which plays a significant role in transmitting and receiving electromagnetic waves. A dipole antenna is generally composed of two conductive elements, often referred to as arms, that are oriented in opposite directions. The configuration of the voltage feed dipole allows it to effectively convert electrical energy into radio waves and vice versa.The working principle behind a voltage feed dipole involves the generation of an oscillating electric field between the two conductive arms. When an alternating current (AC) is applied at the center feed point of the dipole, it creates an electromagnetic field that radiates outwards. This radiation pattern is highly directional, making the dipole antenna effective for specific applications, such as point-to-point communication.One of the key advantages of using a voltage feed dipole is its simplicity and ease of construction. It can be made from readily available materials, such as copper or aluminum, and can be adjusted in length to suit different frequency requirements. The length of the dipole is typically half the wavelength of the desired frequency, which allows for optimal performance.Moreover, the voltage feed dipole is known for its relatively high gain compared to other types of antennas. Gain refers to the ability of an antenna to focus energy in a particular direction, and the dipole achieves this by its design. The radiation pattern of a dipole antenna is typically figure-eight shaped, providing good coverage in the desired directions while minimizing interference from other sources.In addition to its application in traditional radio communications, the voltage feed dipole has found its place in modern technologies such as Wi-Fi and cellular networks. Engineers often utilize dipole antennas for their compact size and effectiveness in urban environments where space is limited. Furthermore, advancements in technology have led to the development of various configurations of dipole antennas, including folded dipoles and loop dipoles, each tailored for specific needs.However, it is essential to consider some limitations when using a voltage feed dipole. For instance, while it performs well in free space, its efficiency can be affected by nearby structures or objects that may cause reflections or obstructions. Additionally, dipole antennas typically require a balanced feed line to maintain their performance, which can complicate installation in certain scenarios.In conclusion, the voltage feed dipole (电压馈送偶极天线) is a fundamental element in the realm of antenna technology. Its straightforward design, high gain, and versatility make it an excellent choice for various applications. As technology continues to evolve, the principles behind the voltage feed dipole remain relevant, demonstrating the importance of understanding such components in the broader context of electrical engineering and communication systems.