isotropic gain of an antenna

简明释义

天线全向性增益

英英释义

例句

1.The theoretical maximum range of a radio signal can be estimated using the isotropic gain of an antenna 天线的各向同性增益 in calculations.

可以通过计算使用天线的各向同性增益 isotropic gain of an antenna来估算无线电信号的理论最大范围。

2.In satellite communications, understanding the isotropic gain of an antenna 天线的各向同性增益 helps in optimizing the coverage area.

在卫星通信中，理解天线的各向同性增益 isotropic gain of an antenna有助于优化覆盖区域。

3.The isotropic gain of an antenna 天线的各向同性增益 is often used as a reference point for comparing different antenna designs.

天线的各向同性增益 isotropic gain of an antenna通常用作比较不同天线设计的参考点。

4.When designing a communication link, it is crucial to consider the isotropic gain of an antenna 天线的各向同性增益 to ensure optimal signal strength.

在设计通信链路时，考虑天线的各向同性增益 isotropic gain of an antenna以确保最佳信号强度至关重要。

5.The performance of the wireless system can be evaluated by measuring the isotropic gain of an antenna 天线的各向同性增益 in different environments.

通过在不同环境中测量天线的各向同性增益 isotropic gain of an antenna，可以评估无线系统的性能。

作文

The concept of antenna gain is fundamental in the field of telecommunications and radio frequency engineering. One of the key terms often encountered is the isotropic gain of an antenna, which serves as a reference point for understanding how antennas function. To grasp this concept, it is essential to first understand what isotropy means in the context of antennas. An isotropic radiator is a theoretical point source that emits electromagnetic waves equally in all directions. Therefore, when we refer to the isotropic gain of an antenna (天线的各向同性增益), we are discussing how much power is radiated by an antenna compared to this idealized isotropic source. In practical applications, no antenna can achieve true isotropic radiation; however, the isotropic gain provides a valuable benchmark. The gain of an antenna is expressed in decibels (dB) and indicates how effectively the antenna converts input power into radio waves in a specific direction compared to the isotropic radiator. For instance, a dipole antenna may have a gain of approximately 2.15 dBi (decibels over isotropic), meaning it radiates about 1.64 times more power in its preferred direction than an isotropic source would.Understanding the isotropic gain of an antenna (天线的各向同性增益) is crucial for engineers when designing communication systems. It allows them to predict how signals will propagate through various environments and helps in optimizing antenna placement for maximum coverage and efficiency. For example, in cellular networks, base station antennas are designed with specific gains to ensure that they can cover the required area while minimizing interference with other stations.Moreover, the isotropic gain of an antenna (天线的各向同性增益) also plays a significant role in determining the effective radiated power (ERP) of an antenna system. ERP is calculated by taking the transmitter power and multiplying it by the antenna gain. This calculation is vital for ensuring compliance with regulatory standards and for understanding the potential reach of a transmission. In addition, the isotropic gain concept is important in the context of satellite communications. Satellites often use antennas with high directional gain to focus their signals toward specific areas on Earth. By comparing their performance against the isotropic gain of an antenna (天线的各向同性增益), engineers can better design these systems to maximize coverage and minimize signal loss due to atmospheric interference.In conclusion, the isotropic gain of an antenna (天线的各向同性增益) is a foundational concept in antenna theory that aids engineers in designing effective communication systems. By providing a standard measure against which actual antenna performance can be evaluated, this concept enhances our understanding of how antennas work and the importance of their gain in various applications. Whether in terrestrial or satellite communications, the principles surrounding isotropic gain continue to be instrumental in advancing technology and improving connectivity across the globe.