radiation efficiency
简明释义
辐射效率
英英释义
例句
1.The antenna's radiation efficiency is crucial for ensuring optimal signal transmission.
天线的辐射效率对确保最佳信号传输至关重要。
2.Higher radiation efficiency in solar panels leads to better energy output.
太阳能电池板中更高的辐射效率会导致更好的能量输出。
3.Engineers are working to improve the radiation efficiency of the new communication device.
工程师们正在努力提高新通信设备的辐射效率。
4.Testing the radiation efficiency of different materials can help in selecting the best one for shielding.
测试不同材料的辐射效率可以帮助选择最佳的屏蔽材料。
5.The radiation efficiency of the LED light is significantly higher than that of traditional bulbs.
LED灯的辐射效率显著高于传统灯泡。
作文
In the field of physics and engineering, the term radiation efficiency refers to the ratio of the power radiated by an antenna or a device to the total input power supplied to it. This concept is crucial for understanding how effectively a system can convert energy into electromagnetic waves, which are essential for various applications such as communication, broadcasting, and radar systems. The higher the radiation efficiency, the more effective the device is at transmitting energy as radiation rather than dissipating it as heat or other forms of loss. To illustrate the importance of radiation efficiency, consider the example of a radio transmitter. The primary goal of a radio transmitter is to send out signals over long distances. If a transmitter has a low radiation efficiency, a significant portion of the input power is wasted as heat instead of being radiated as useful signals. This inefficiency not only reduces the range of the transmission but also increases operational costs due to the need for more power to achieve the same output. Therefore, engineers strive to design antennas and transmitters with high radiation efficiency to ensure optimal performance.Moreover, radiation efficiency is also a critical factor in the development of new technologies such as wireless charging systems and solar panels. For instance, in wireless charging, the efficiency of energy transfer is paramount. A system with low radiation efficiency may not be able to charge devices effectively, leading to user dissatisfaction and limiting the technology's adoption. Similarly, solar panels must have high radiation efficiency to convert sunlight into electrical energy effectively. Engineers continuously work on improving the materials and designs of these devices to enhance their radiation efficiency.In addition to practical applications, understanding radiation efficiency also contributes to advancements in scientific research. For example, in astrophysics, the study of celestial bodies often involves measuring the radiation emitted by stars and galaxies. The radiation efficiency of these celestial objects can provide insights into their temperature, composition, and distance from Earth. By analyzing the radiation efficiency, scientists can infer critical information about the universe and its underlying processes.In conclusion, radiation efficiency plays a vital role in various fields, including telecommunications, energy systems, and scientific research. It determines how effectively a device can convert input power into useful radiation, impacting performance, cost, and technological advancement. As we continue to innovate and develop new technologies, a deep understanding of radiation efficiency will remain essential for engineers and scientists alike, driving improvements that enhance our daily lives and expand our knowledge of the universe.
在物理和工程领域,术语辐射效率指的是天线或设备辐射的功率与输入到它的总功率之间的比率。这个概念对于理解一个系统如何有效地将能量转化为电磁波至关重要,这些电磁波对通信、广播和雷达系统等各种应用都是必不可少的。辐射效率越高,设备在传输能量作为辐射方面的有效性就越强,而不是以热量或其他形式的损失来消耗。为了说明辐射效率的重要性,考虑一个无线电发射器的例子。无线电发射器的主要目标是将信号发送到远距离。如果发射器的辐射效率较低,则输入功率中很大一部分会作为热量浪费,而不是作为有用信号辐射出来。这种低效率不仅降低了传输的范围,还增加了由于需要更多的电力来达到相同输出而导致的运营成本。因此,工程师们努力设计具有高辐射效率的天线和发射器,以确保最佳性能。此外,辐射效率也是无线充电系统和太阳能电池板等新技术开发中的关键因素。例如,在无线充电中,能量传输的效率至关重要。具有低辐射效率的系统可能无法有效地为设备充电,从而导致用户不满并限制该技术的采用。同样,太阳能电池板必须具有高辐射效率,以有效地将阳光转化为电能。工程师们不断致力于改善这些设备的材料和设计,以提高它们的辐射效率。除了实际应用,理解辐射效率还促进了科学研究的进步。例如,在天体物理学中,对天体的研究往往涉及测量恒星和星系发射的辐射。这些天体的辐射效率可以提供有关其温度、成分和与地球距离的重要信息。通过分析辐射效率,科学家可以推断出关于宇宙及其基本过程的关键信息。总之,辐射效率在包括电信、能源系统和科学研究等各个领域发挥着至关重要的作用。它决定了设备将输入功率转换为有用辐射的有效性,影响着性能、成本和技术进步。随着我们继续创新和开发新技术,对辐射效率的深入理解将对工程师和科学家而言仍然至关重要,推动着改善,提升我们的日常生活,并扩展我们对宇宙的认识。