frequency synthesizer

简明释义

频率合成器

英英释义

例句

1.The laboratory tested the frequency synthesizer to ensure it met the required specifications.

实验室测试了频率合成器以确保其符合所需的规格。

2.During the experiment, the researchers adjusted the frequency synthesizer to achieve optimal results.

在实验过程中，研究人员调整了频率合成器以获得最佳结果。

3.The engineer used a frequency synthesizer to generate precise signals for the communication system.

工程师使用了一个频率合成器来为通信系统生成精确的信号。

4.A frequency synthesizer allows musicians to create various sound waves for their compositions.

一个频率合成器使音乐家能够为他们的作品创造各种声波。

5.In radio broadcasting, a frequency synthesizer is essential for tuning into different channels.

在广播中，频率合成器对于调谐到不同频道是必不可少的。

作文

In the world of electronics and telecommunications, the term frequency synthesizer refers to a device that generates a range of frequencies from a single reference frequency. This technology plays a crucial role in various applications, including radio broadcasting, mobile communications, and radar systems. Understanding how a frequency synthesizer works can provide insights into its significance in modern technology.A frequency synthesizer typically uses phase-locked loops (PLLs) and other advanced techniques to produce stable and accurate frequencies. The basic principle involves taking a reference frequency, often generated by a crystal oscillator, and multiplying or dividing it to create additional frequencies. This ability to generate multiple frequencies from a single source is what makes the frequency synthesizer so valuable in communication systems, where different channels operate at different frequencies.One of the primary advantages of using a frequency synthesizer is its precision. In telecommunications, for example, the clarity of voice and data transmission can be significantly affected by frequency stability. A high-quality frequency synthesizer ensures that the transmitted signal remains within the desired frequency range, reducing interference and improving overall performance. This is particularly important in crowded frequency bands, where multiple signals may compete for space.Moreover, the versatility of a frequency synthesizer allows it to be used in various devices. From smartphones to satellite communications, the ability to quickly switch between frequencies makes it an essential component. For instance, in mobile phones, a frequency synthesizer helps to select the appropriate frequency for connecting to cell towers, ensuring seamless communication as users move from one location to another.In addition to telecommunications, frequency synthesizers are also widely used in scientific research and instrumentation. For example, in laboratory settings, researchers often require precise control over frequencies for experiments involving lasers or radio waves. A frequency synthesizer can provide the necessary frequency stability and accuracy, allowing scientists to conduct experiments that yield reliable results.As technology continues to advance, the design and functionality of frequency synthesizers are evolving as well. Modern synthesizers are becoming more compact, energy-efficient, and capable of generating a wider range of frequencies. This progress is driven by the increasing demand for high-performance communication systems and the need for more sophisticated electronic devices.In conclusion, the frequency synthesizer is a vital component in the realm of electronics and telecommunications. Its ability to generate precise and stable frequencies from a single reference point makes it indispensable for various applications, ranging from mobile communications to scientific research. As technology advances, the role of frequency synthesizers will continue to expand, making them an essential area of study for engineers and scientists alike. Understanding the principles behind frequency synthesizers not only enhances our knowledge of modern technology but also prepares us for future innovations in this exciting field.

在电子和电信的世界中，术语频率合成器指的是一种设备，它从单一参考频率生成一系列频率。这项技术在各种应用中发挥着至关重要的作用，包括广播、移动通信和雷达系统。理解频率合成器的工作原理可以提供对其在现代技术中重要性的深入了解。频率合成器通常使用锁相环（PLLs）和其他先进技术来产生稳定且准确的频率。其基本原理是将一个参考频率（通常由晶体振荡器生成）进行乘法或除法运算，以创建额外的频率。这种从单一源生成多个频率的能力使得频率合成器在通信系统中极具价值，因为不同频道在不同频率上运行。使用频率合成器的主要优点之一是其精确性。例如，在电信中，语音和数据传输的清晰度会受到频率稳定性的显著影响。高质量的频率合成器确保传输信号保持在所需的频率范围内，从而减少干扰，提高整体性能。这在拥挤的频率带中尤为重要，因为多个信号可能会竞争空间。此外，频率合成器的多功能性使其能够用于各种设备。从智能手机到卫星通信，快速切换频率的能力使其成为一个必不可少的组件。例如，在手机中，频率合成器帮助选择连接到基站的适当频率，确保用户在不同位置之间移动时无缝通信。除了电信，频率合成器还广泛应用于科学研究和仪器设备中。例如，在实验室环境中，研究人员通常需要对频率进行精确控制，以进行涉及激光或无线电波的实验。频率合成器可以提供必要的频率稳定性和准确性，使科学家能够进行可靠结果的实验。随着技术的不断进步，频率合成器的设计和功能也在不断演变。现代合成器变得更加紧凑、节能，并能够生成更广泛的频率范围。这一进展是由于对高性能通信系统的需求日益增加，以及对更复杂电子设备的需求。总之，频率合成器是电子和电信领域的重要组成部分。它能够从单一参考点生成精确和稳定的频率，使其在各种应用中不可或缺，从移动通信到科学研究。随着技术的进步，频率合成器的作用将继续扩大，使其成为工程师和科学家研究的重要领域。理解频率合成器背后的原理不仅增强了我们对现代技术的知识，也为我们在这个令人兴奋的领域中的未来创新做好准备。