heterodyne frequency

简明释义

外差频率

英英释义

例句

1.The concept of heterodyne frequency 杂频 is crucial in the design of coherent laser systems.

在相干激光系统的设计中，heterodyne frequency 杂频的概念至关重要。

2.The heterodyne frequency 杂频 allows for the conversion of high-frequency signals to lower frequencies, simplifying analysis.

通过使用heterodyne frequency 杂频，可以将高频信号转换为低频信号，从而简化分析。

3.In optical applications, the heterodyne frequency 杂频 can help in measuring small changes in phase.

在光学应用中，heterodyne frequency 杂频可以帮助测量相位的小变化。

4.In radio communications, the receiver often mixes the incoming signal with a local oscillator to produce a heterodyne frequency 杂频 that is easier to process.

在无线通信中，接收器通常将接收到的信号与本地振荡器混合，以产生更易于处理的heterodyne frequency 杂频。

5.Engineers utilize the heterodyne frequency 杂频 technique in radar systems to improve target detection.

工程师在雷达系统中利用heterodyne frequency 杂频技术来提高目标检测能力。

作文

In the realm of electronics and telecommunications, the concept of heterodyne frequency plays a pivotal role in signal processing and modulation techniques. Essentially, heterodyne frequency refers to the process of mixing two frequencies to create new frequencies that are the sum and difference of the original frequencies. This principle is widely utilized in various applications, including radio broadcasting, radar technology, and audio processing.The fundamental idea behind heterodyne frequency is to convert a signal from one frequency to another, facilitating easier transmission and processing. For instance, in radio communication, a carrier wave is modulated with the information signal, resulting in a new frequency that can be transmitted over long distances. By employing the heterodyne frequency technique, engineers can effectively shift the frequency of the signal to avoid interference and enhance clarity.One of the most common applications of heterodyne frequency is in superheterodyne receivers, which are widely used in modern radios and televisions. These receivers work by mixing the incoming radio frequency (RF) signal with a local oscillator signal to produce an intermediate frequency (IF). The IF is easier to amplify and filter than the original RF signal, leading to improved performance and selectivity. This method significantly enhances the quality of the received signal, allowing for clearer audio and video output.Moreover, heterodyne frequency is also crucial in radar systems, where it enables the detection and tracking of objects. By mixing the transmitted radar signal with the reflected signal from an object, the system can determine the distance and speed of the target. This application is vital in various fields, including aviation, maritime navigation, and defense.In audio processing, heterodyne frequency is employed in synthesizers and other electronic musical instruments. By combining different sound waves at varying frequencies, musicians can create rich and complex sounds. This technique allows for greater creativity and experimentation in music production, enabling artists to push the boundaries of traditional sound.Understanding the concept of heterodyne frequency is essential for anyone interested in the fields of electronics and communications. It highlights the importance of frequency manipulation in modern technology and its impact on our daily lives. As we continue to advance in these areas, the applications of heterodyne frequency will undoubtedly expand, leading to even more innovative solutions and improvements in how we communicate and interact with the world around us.In conclusion, the significance of heterodyne frequency cannot be overstated. It serves as a foundation for many technological advancements that shape our society today. Whether in radio, radar, or audio processing, the ability to manipulate frequencies through the heterodyne frequency technique has revolutionized the way we transmit and receive information. As technology evolves, understanding such concepts will be crucial for future innovations and developments in the field of electronics and telecommunications.

在电子和电信领域，异频率的概念在信号处理和调制技术中发挥着关键作用。基本上，异频率指的是将两个频率混合以产生原始频率的和与差的新频率的过程。这一原理广泛应用于各种应用，包括广播、雷达技术和音频处理。异频率背后的基本思想是将信号从一个频率转换到另一个频率，以便于传输和处理。例如，在无线电通信中，载波波形与信息信号进行调制，从而生成可以长距离传输的新频率。通过采用异频率技术，工程师能够有效地将信号的频率转移，以避免干扰并增强清晰度。异频率最常见的应用之一是在超外差接收器中，这些接收器广泛用于现代收音机和电视。这些接收器通过将接收到的无线电频率（RF）信号与本地振荡器信号混合来生成中频（IF）。IF比原始RF信号更易于放大和过滤，从而提高了性能和选择性。这种方法显著提升了接收信号的质量，使音频和视频输出更清晰。此外，异频率在雷达系统中也至关重要，它使得物体的检测和跟踪成为可能。通过将发射的雷达信号与来自物体的反射信号混合，系统可以确定目标的距离和速度。这一应用在航空、海洋导航和国防等各个领域至关重要。在音频处理中，异频率被应用于合成器和其他电子乐器。通过结合不同频率的声波，音乐家可以创造出丰富而复杂的声音。这一技术使音乐制作中的创造力和实验性得以增强，使艺术家能够突破传统声音的界限。理解异频率的概念对于任何对电子和通信领域感兴趣的人来说都是至关重要的。它突显了频率操控在现代技术中的重要性及其对我们日常生活的影响。随着我们在这些领域的不断进步，异频率的应用无疑将扩展，带来更多创新的解决方案和改善我们与周围世界互动的方式。总之，异频率的重要性不可低估。它作为许多塑造我们今天社会的技术进步的基础。在无线电、雷达或音频处理中，通过异频率技术操控频率的能力彻底改变了我们传输和接收信息的方式。随着技术的演变，理解这样的概念将是未来电子和电信领域创新和发展的关键。