isotropic antenna

简明释义

无方向性天线

英英释义

例句

1.An isotropic antenna 各向同性天线 serves as a standard for gain measurements in antenna theory.

在天线理论中，各向同性天线 isotropic antenna 作为增益测量的标准。

2.When designing a network, engineers often compare real antennas to an isotropic antenna 各向同性天线 to evaluate their efficiency.

在设计网络时，工程师通常将真实天线与各向同性天线 isotropic antenna 进行比较，以评估其效率。

3.The radiation pattern of an isotropic antenna 各向同性天线 is uniform in all directions, making it ideal for simulations.

一个各向同性天线 isotropic antenna 的辐射模式在所有方向上都是均匀的，这使得它在模拟中非常理想。

4.The concept of an isotropic antenna 各向同性天线 simplifies the analysis of complex antenna systems.

一个各向同性天线 isotropic antenna 的概念简化了复杂天线系统的分析。

5.In wireless communication, an isotropic antenna 各向同性天线 is often used as a theoretical reference point for measuring antenna performance.

在无线通信中，各向同性天线 isotropic antenna 通常作为测量天线性能的理论参考点。

作文

In the field of telecommunications, understanding the concept of an isotropic antenna is fundamental for both engineers and enthusiasts alike. An isotropic antenna is a theoretical antenna that radiates power uniformly in all directions. This means that it does not favor any particular direction, making it a crucial reference point in antenna theory. The idealized notion of an isotropic antenna serves as a benchmark against which real-world antennas can be compared. To better grasp the significance of an isotropic antenna, let's consider its applications. In wireless communication systems, antennas are essential components that facilitate the transmission and reception of signals. Engineers often use the concept of an isotropic antenna to calculate the gain of actual antennas. Gain measures how well an antenna converts input power into radio waves in a specified direction compared to an isotropic antenna. Therefore, if an antenna has a gain of 3 dB, it means it radiates twice as much power in its preferred direction than an isotropic antenna would.Another important aspect of an isotropic antenna is its role in understanding radiation patterns. While the isotropic antenna itself is a theoretical construct, it helps in visualizing how real antennas operate. Most antennas exhibit directional characteristics, meaning they radiate more power in certain directions than others. By comparing these patterns to the uniform radiation of an isotropic antenna, engineers can optimize antennas for specific applications, such as point-to-point communication or broadcasting.Moreover, the concept of an isotropic antenna is pivotal in the calculation of Effective Isotropic Radiated Power (EIRP). EIRP is a measure of the power that an antenna appears to radiate if it were an isotropic antenna. It combines the actual output power of the transmitter with the gain of the antenna. This measurement is essential for ensuring compliance with regulations and for optimizing the performance of communication systems.Despite being theoretical, the isotropic antenna concept is invaluable in practical applications. For instance, when designing a new wireless system, engineers often start by considering the performance of an isotropic antenna before moving on to more complex designs. This approach allows them to establish a baseline and make informed decisions about the type of antennas that will best serve their needs.In conclusion, the isotropic antenna is a foundational element in the study and application of antennas in telecommunications. Its uniform radiation pattern provides a critical reference point for measuring and comparing the performance of real antennas. By understanding the theoretical aspects of an isotropic antenna, engineers can design more effective communication systems that meet the demands of modern technology. As we continue to advance in the field of wireless communication, the principles surrounding the isotropic antenna will remain relevant and essential for future innovations.

在电信领域，理解“各向同性天线”的概念对工程师和爱好者来说都是基础。各向同性天线是一种理论天线，它在所有方向上均匀地辐射功率。这意味着它不偏向任何特定方向，使其成为天线理论中的关键参考点。理想化的各向同性天线的概念作为一个基准，可以用来比较现实世界中的天线。为了更好地理解各向同性天线的重要性，让我们考虑它的应用。在无线通信系统中，天线是促进信号传输和接收的重要组件。工程师们常常使用各向同性天线的概念来计算实际天线的增益。增益衡量天线将输入功率转换为特定方向的无线电波的能力，相较于各向同性天线而言。因此，如果一根天线的增益为3 dB，这意味着它在其优选方向上辐射的功率是各向同性天线的两倍。各向同性天线的另一个重要方面是它在理解辐射模式中的作用。虽然各向同性天线本身是一个理论构造，但它有助于可视化真实天线的操作。大多数天线表现出方向性特征，这意味着它们在某些方向上辐射的功率比其他方向更多。通过将这些模式与各向同性天线的均匀辐射进行比较，工程师可以优化天线以适应特定应用，例如点对点通信或广播。此外，各向同性天线的概念在有效各向同性辐射功率（EIRP）的计算中至关重要。EIRP是一个测量天线似乎辐射的功率，如果它是一根各向同性天线。它结合了发射机的实际输出功率和天线的增益。这个测量对于确保符合规定以及优化通信系统的性能至关重要。尽管是理论性的，各向同性天线的概念在实际应用中是非常宝贵的。例如，在设计新的无线系统时，工程师通常会首先考虑各向同性天线的性能，然后再转向更复杂的设计。这种方法使他们能够建立基准，并就最适合其需求的天线类型做出明智的决策。总之，各向同性天线是电信中天线研究和应用的基础元素。它的均匀辐射模式为测量和比较实际天线的性能提供了关键的参考点。通过理解各向同性天线的理论方面，工程师可以设计出更有效的通信系统，以满足现代技术的需求。随着我们在无线通信领域的不断进步，围绕各向同性天线的原则将继续保持相关性，并对未来的创新至关重要。