equivalent isotropically radiated power

简明释义

等效全向辐射功率

英英释义

例句

1.The equivalent isotropically radiated power helps in comparing the performance of different antennas.

等效各向同性辐射功率有助于比较不同天线的性能。

2.When designing a communication system, engineers must calculate the equivalent isotropically radiated power to ensure adequate coverage.

在设计通信系统时，工程师必须计算等效各向同性辐射功率以确保覆盖范围足够。

3.The concept of equivalent isotropically radiated power is crucial for understanding how antennas transmit signals.

理解等效各向同性辐射功率的概念对于理解天线如何传输信号至关重要。

4.In radar technology, the equivalent isotropically radiated power is used to assess the detection range.

在雷达技术中，等效各向同性辐射功率用于评估探测范围。

5.The FCC requires operators to report their equivalent isotropically radiated power for compliance with regulations.

FCC要求运营商报告他们的等效各向同性辐射功率以符合规定。

作文

In the realm of telecommunications and radio frequency engineering, understanding the concept of equivalent isotropically radiated power is crucial for both professionals and enthusiasts alike. This term, often abbreviated as EIRP, plays a significant role in determining how effectively a signal can be transmitted over a distance. To grasp its importance, we must first break down the components of this phrase.The term 'equivalent' suggests that we are considering a measure that can be compared to something else. In this context, it refers to the power that an isotropic antenna would radiate if it were transmitting the same amount of energy in all directions equally. An isotropic antenna is a theoretical construct that radiates power uniformly in every direction, making it an ideal reference point for evaluating real-world antennas.Next, we have 'isotropically radiated,' which signifies the uniform distribution of power. This characteristic is essential because it allows engineers to create models and simulations based on a standard reference. By using an isotropic radiator as a baseline, we can determine how much power is effectively radiated by actual antennas, which often have directional patterns that focus energy in specific directions rather than dispersing it evenly.Finally, 'power' in this context refers to the strength of the radio signal being transmitted. It is typically measured in watts (W) or decibels relative to one milliwatt (dBm). Understanding the power output of a transmitter is vital for ensuring that signals reach their intended destinations without degradation.Now, why is equivalent isotropically radiated power important? The answer lies in its application. For instance, when designing a communication system, engineers must consider various factors such as distance, obstacles, and interference. By calculating the EIRP, they can predict how well a signal will perform in a given environment. A higher EIRP indicates a stronger signal that can travel further distances, while a lower EIRP may result in weaker reception and limited range.In practical terms, EIRP is used in various applications, including satellite communications, mobile networks, and broadcasting. For example, when setting up a satellite link, engineers will calculate the EIRP to ensure that the signal can reach the satellite and return to Earth with sufficient strength. Similarly, in cellular networks, operators must maintain adequate EIRP levels to provide reliable service to users.Moreover, regulatory bodies often impose limits on EIRP to minimize interference between different communication systems. These regulations help maintain a balance in the electromagnetic spectrum, ensuring that various technologies can coexist without disrupting each other. Therefore, understanding equivalent isotropically radiated power is not only essential for engineers but also for policymakers and regulators in the telecommunications industry.In conclusion, the concept of equivalent isotropically radiated power serves as a fundamental building block in the field of telecommunications. By providing a standardized measure of signal strength, it enables engineers to design efficient communication systems, predict performance, and adhere to regulatory requirements. As technology continues to evolve, the significance of EIRP will only grow, making it imperative for anyone involved in the industry to have a solid understanding of this critical concept.

在电信和射频工程领域，理解等效各向同性辐射功率的概念对专业人士和爱好者来说都是至关重要的。这个术语通常缩写为EIRP，在确定信号在距离上的有效传输能力方面发挥着重要作用。要掌握其重要性，我们首先必须分解这个短语的组成部分。“等效”这个词表明我们正在考虑一个可以与其他事物进行比较的度量。在这个上下文中，它指的是如果一个各向同性天线以相同的能量均匀地向所有方向发射，那么它将辐射的功率。各向同性天线是一个理论构造，它在每个方向上均匀地辐射功率，使其成为评估实际天线的理想参考点。接下来是“各向同性辐射”，这意味着功率的均匀分布。这一特征至关重要，因为它允许工程师基于标准参考创建模型和模拟。通过使用各向同性发射器作为基准，我们可以确定实际天线的有效辐射功率，而实际天线通常具有将能量集中在特定方向而不是均匀分散的方向模式。最后，“功率”在这个上下文中指的是所传输的无线信号的强度。它通常以瓦特（W）或相对于1毫瓦的分贝（dBm）来衡量。了解发射机的功率输出对于确保信号以不失真的方式到达其预定目的地至关重要。那么，为什么等效各向同性辐射功率如此重要呢？答案在于它的应用。例如，在设计通信系统时，工程师必须考虑各种因素，如距离、障碍物和干扰。通过计算EIRP，他们可以预测信号在给定环境中的表现。较高的EIRP表示信号更强，可以传播更远的距离，而较低的EIRP可能导致接收较弱和范围有限。在实际应用中，EIRP用于各种应用，包括卫星通信、移动网络和广播。例如，在建立卫星链路时，工程师会计算EIRP，以确保信号能够以足够的强度到达卫星并返回地球。同样，在蜂窝网络中，运营商必须保持适当的EIRP水平，以向用户提供可靠的服务。此外，监管机构通常对EIRP施加限制，以最小化不同通信系统之间的干扰。这些规定有助于在电磁频谱中维持平衡，确保各种技术能够共存而不相互干扰。因此，理解等效各向同性辐射功率不仅对工程师至关重要，而且对电信行业的政策制定者和监管机构也同样重要。总之，等效各向同性辐射功率的概念在电信领域中作为一个基本构建块。通过提供信号强度的标准化度量，它使工程师能够设计高效的通信系统、预测性能并遵守监管要求。随着技术的不断发展，EIRP的重要性只会增加，因此，任何参与该行业的人都必须对这一关键概念有扎实的理解。