effective radiated power

简明释义

有效发射功率

英英释义

例句

1.The radio station broadcasts at an effective radiated power of 50,000 watts.

该广播电台以有效辐射功率50,000瓦特进行广播。

2.To improve coverage, the tower was upgraded to increase its effective radiated power.

为了改善覆盖范围，该塔进行了升级，以增加其有效辐射功率。

3.Understanding the effective radiated power is crucial for optimizing signal strength.

理解有效辐射功率对于优化信号强度至关重要。

4.Regulatory agencies monitor the effective radiated power to ensure compliance with safety standards.

监管机构监测有效辐射功率以确保符合安全标准。

5.The effective radiated power of the new transmitter is significantly higher than the old one.

新发射机的有效辐射功率显著高于旧设备。

作文

Effective radiated power (ERP) is a crucial concept in the field of telecommunications and broadcasting. It refers to the amount of power that a radio transmitter emits in a specific direction, taking into account the gain of the antenna used. In simpler terms, it measures how effectively a transmitter can send out its signal into the environment. Understanding effective radiated power (有效辐射功率) is essential for engineers and technicians working in the industry, as it directly impacts the range and quality of radio and television broadcasts.The calculation of effective radiated power involves several factors, including the power output of the transmitter, the gain of the transmitting antenna, and any losses that might occur in the transmission line. The formula for calculating ERP is: ERP = Transmitter Power Output x Antenna Gain - Transmission Line Losses. This equation allows engineers to determine how much of the transmitted signal actually reaches the intended audience.One of the primary reasons why effective radiated power is so important is that it helps to ensure that broadcast signals are strong enough to reach their target areas. For instance, a television station must have sufficient ERP to provide clear reception to viewers within its coverage area. If the ERP is too low, viewers may experience poor picture quality or complete signal loss. Conversely, if the ERP is too high, it can lead to interference with other stations and potential regulatory issues.In addition to broadcasting, effective radiated power is also relevant in other areas such as mobile communications and public safety networks. For example, cellular network operators need to calculate the ERP of their base stations to optimize coverage and service quality for users. Similarly, emergency services rely on effective communication systems, and understanding ERP is vital for ensuring reliable connections during critical situations.Moreover, regulations governing effective radiated power vary by country and organization. Regulatory bodies, such as the Federal Communications Commission (FCC) in the United States, set limits on the maximum ERP allowed for different types of broadcasts to minimize interference among various communication systems. These regulations help maintain an orderly spectrum and ensure that all users can operate without causing disruption to one another.As technology continues to evolve, the importance of effective radiated power will only increase. With the advent of digital broadcasting and the expansion of wireless services, engineers must adapt to new challenges in signal transmission. For instance, the shift from analog to digital broadcasting has changed how ERP is calculated and utilized, necessitating ongoing education and training for professionals in the field.In conclusion, effective radiated power (有效辐射功率) is a fundamental aspect of telecommunications that affects the performance of broadcasting and communication systems. By understanding and accurately calculating ERP, engineers and technicians can enhance the quality and reliability of signals, ensuring that audiences receive clear and uninterrupted broadcasts. As the industry progresses, the principles behind effective radiated power will remain a cornerstone of effective communication strategies, making it an essential topic for anyone involved in the field.