equivalent isotropically radiated power

简明释义

等效全向辐射功率

英英释义

Equivalent Isotropically Radiated Power (EIRP) is a measure of the power radiated by an antenna as if it were radiating equally in all directions, compared to a theoretical isotropic antenna.

等效各向同性辐射功率(EIRP)是指天线以均匀方向辐射的功率,与理论上的各向同性天线相比的度量。

例句

1.To calculate the equivalent isotropically radiated power, one must consider both the transmitter power and the gain of the antenna.

要计算等效各向同性辐射功率,必须考虑发射机功率和天线增益。

2.The equivalent isotropically radiated power is often expressed in decibels to simplify comparisons between different systems.

等效各向同性辐射功率通常以分贝表示,以简化不同系统之间的比较。

3.Regulatory bodies often set limits on the equivalent isotropically radiated power to prevent interference between communication systems.

监管机构通常对等效各向同性辐射功率设定限制,以防止通信系统之间的干扰。

4.The concept of equivalent isotropically radiated power is crucial for understanding how antennas transmit signals over long distances.

理解等效各向同性辐射功率的概念对于理解天线如何在长距离内传输信号至关重要。

5.In wireless communication, the equivalent isotropically radiated power helps engineers design better coverage maps.

在无线通信中,等效各向同性辐射功率帮助工程师设计更好的覆盖地图。

作文

In the field of telecommunications and radio frequency engineering, understanding the concept of equivalent isotropically radiated power is crucial for analyzing and optimizing signal transmission. The term refers to the total power that a theoretical isotropic antenna would radiate in all directions if it were supplied with the same amount of power as a given antenna. This concept helps engineers and technicians compare the performance of different antennas and systems in a standardized manner.The equivalent isotropically radiated power (EIRP) is calculated by taking into account both the actual power output of the transmitter and the gain of the antenna used. Mathematically, it can be expressed as:EIRP (dBm) = Transmitter Power (dBm) + Antenna Gain (dBi)Where dBm is a logarithmic measure of power in decibels relative to one milliwatt, and dBi is a measure of the gain of an antenna compared to an isotropic radiator.One of the primary reasons for using equivalent isotropically radiated power is that it allows for the comparison of different types of antennas and their effectiveness in radiating signals. For instance, when deploying a new communication system, engineers can evaluate how well various antennas perform under identical conditions by looking at their EIRP values. This is particularly important in scenarios where line-of-sight communication is necessary, such as in microwave transmission or satellite communications.Moreover, the concept of EIRP is integral to regulatory compliance in telecommunications. Different countries have specific regulations concerning the maximum allowable EIRP for various frequency bands to minimize interference between different users of the spectrum. By measuring and controlling the EIRP, organizations can ensure that they operate within legal limits while maximizing their coverage area.In practical terms, when setting up a new wireless network, understanding equivalent isotropically radiated power helps in determining the optimal placement and type of antennas. For example, if a network engineer knows the EIRP of a particular antenna, they can predict its coverage area and signal strength at various distances. This information is vital for ensuring adequate service quality and minimizing dead zones in the network.Furthermore, advancements in technology have led to the development of more sophisticated antennas that can dynamically adjust their gain and radiation patterns. These smart antennas can significantly enhance the effective equivalent isotropically radiated power, leading to improved network performance and user experience. As the demand for higher data rates and more reliable connections increases, the role of EIRP in designing and implementing communication systems becomes even more critical.In conclusion, the concept of equivalent isotropically radiated power is a fundamental aspect of radio frequency engineering that plays a vital role in the design, analysis, and optimization of communication systems. By providing a standardized measure of antenna performance, EIRP enables engineers to make informed decisions about equipment selection, regulatory compliance, and network planning. As technology continues to evolve, the importance of understanding and utilizing EIRP will only grow, ensuring efficient and effective communication in our increasingly connected world.

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于分析和优化信号传输至关重要。这个术语指的是如果给定天线提供相同的功率,一个理论上的各向同性天线将会在所有方向上辐射的总功率。这个概念帮助工程师和技术人员以标准化的方式比较不同天线和系统的性能。等效各向同性辐射功率(EIRP)通过考虑发射机的实际功率输出和所用天线的增益来计算。数学上,它可以表示为:EIRP (dBm) = 发射机功率 (dBm) + 天线增益 (dBi)其中,dBm是相对于一毫瓦的功率的对数度量,dBi是与各向同性辐射器相比的天线增益的度量。使用等效各向同性辐射功率的主要原因之一是它允许比较不同类型天线及其辐射信号的有效性。例如,在部署新的通信系统时,工程师可以通过查看天线的EIRP值来评估各种天线在相同条件下的表现。这在需要视距通信的场景中尤为重要,例如微波传输或卫星通信。此外,EIRP的概念对于电信中的法规合规性至关重要。不同国家对各种频段的最大允许EIRP有具体规定,以最小化不同用户之间的干扰。通过测量和控制EIRP,组织可以确保在法律限制内运行,同时最大化其覆盖区域。在实际操作中,当设置新的无线网络时,理解等效各向同性辐射功率有助于确定天线的最佳放置和类型。例如,如果网络工程师知道特定天线的EIRP,他们可以预测其覆盖区域和在不同距离上的信号强度。这些信息对于确保服务质量和最小化网络中的死区至关重要。此外,技术的进步导致了更复杂的天线的开发,这些天线可以动态调整其增益和辐射模式。这些智能天线可以显著增强有效的等效各向同性辐射功率,从而提高网络性能和用户体验。随着对更高数据速率和更可靠连接的需求增加,EIRP在设计和实施通信系统中的作用变得更加关键。总之,等效各向同性辐射功率的概念是射频工程的一个基本方面,在通信系统的设计、分析和优化中发挥着重要作用。通过提供天线性能的标准化测量,EIRP使工程师能够就设备选择、法规合规性和网络规划做出明智的决策。随着技术的不断发展,理解和利用EIRP的重要性只会增加,从而确保在我们日益互联的世界中实现高效和有效的通信。

相关单词

isotropically

isotropically详解:怎么读、什么意思、用法

radiated

radiated详解:怎么读、什么意思、用法