megacycle

简明释义

英[ˈmeɡəˌsaɪkəl]美[ˈmeɡəˌsaɪkl]

n. [物][计量]兆周（等于 megahertz）

英英释义

单词用法

同义词

反义词

例句

1.An acoustic-emission pulse contains a very wide range of frequency components, extending up into the megacycle range.

声发射脉冲就包含一个很宽的频率组成范围，可扩展到兆赫。

2.An acoustic-emission pulse contains a very wide range of frequency components, extending up into the megacycle range.

声发射脉冲就包含一个很宽的频率组成范围，可扩展到兆赫。

3.In telecommunications, a bandwidth of 1 megacycle is often sufficient for basic services.

在电信中，1兆周的带宽通常足以满足基本服务。

4.The new satellite system operates at frequencies exceeding 10 megacycles.

新卫星系统的工作频率超过10兆周。

5.The radio frequency used in this communication device operates at a range of several megacycles.

这个通信设备使用的无线电频率在几个兆周的范围内。

6.We need to measure the signal strength in megacycles to ensure optimal performance.

我们需要以兆周为单位测量信号强度，以确保最佳性能。

7.The old television set could only tune into channels below 100 megacycles.

这台旧电视只能调谐到低于100兆周的频道。

作文

In the realm of physics and engineering, the term megacycle (百万周期) is used to describe a unit of frequency equivalent to one million cycles per second. This concept plays a crucial role in various fields, particularly in telecommunications and signal processing. Understanding the significance of megacycle is essential for anyone looking to delve deeper into the world of electronics and communication technologies.To grasp the importance of megacycle, we must first understand the basic principles of frequency. Frequency refers to the number of occurrences of a repeating event per unit time. In the context of waves—such as sound waves, radio waves, or electromagnetic waves—frequency determines how many cycles occur in one second. The higher the frequency, the more cycles occur, and this can significantly affect the behavior and properties of the wave.For instance, in radio communications, different frequencies are used to transmit information. These frequencies are often measured in hertz (Hz), where one hertz equals one cycle per second. As we move up the scale, we encounter kilohertz (kHz), which represents thousands of cycles per second, and megahertz (MHz), which signifies millions of cycles per second. Here, megacycle is another way to refer to megahertz, emphasizing the vastness of the frequency range utilized in modern technology.The implications of megacycle become evident when we consider the advancements in wireless communication. For example, cellular networks operate at frequencies that often reach into the megahertz range. This allows for the transmission of large amounts of data over long distances, enabling mobile devices to connect seamlessly to the internet and communicate with one another. As technology continues to evolve, the demand for higher frequencies, including those measured in megacycle, will only increase, pushing the boundaries of what is possible in telecommunications.Moreover, the concept of megacycle extends beyond just telecommunications. In audio engineering, understanding the frequency response of audio equipment involves using terms like megacycle to describe the range of frequencies that can be reproduced. High-fidelity sound systems aim to accurately reproduce sounds across a wide frequency range, often extending into the megahertz territory, which contributes to the clarity and quality of the audio experience.In conclusion, the term megacycle (百万周期) represents a significant concept in the fields of physics, engineering, and communications. Its relevance spans multiple domains, from telecommunications to audio engineering, highlighting the importance of frequency in our daily lives. As technology continues to advance and the demand for faster, more efficient communication grows, the understanding of megacycle will remain vital for professionals and enthusiasts alike. Embracing this knowledge not only enhances our comprehension of how technology operates but also prepares us for future innovations that will undoubtedly rely on the principles of frequency and cycles.

在物理和工程领域，术语megacycle（百万周期）用于描述等于每秒一百万个周期的频率单位。这个概念在多个领域中发挥着至关重要的作用，特别是在电信和信号处理方面。理解megacycle的重要性对于任何想要深入了解电子和通信技术的人来说都是必不可少的。要理解megacycle的重要性，我们必须首先了解频率的基本原理。频率是指单位时间内重复事件发生的次数。在波的上下文中——例如声波、无线电波或电磁波——频率决定了在一秒钟内发生多少个周期。频率越高，发生的周期就越多，这可以显著影响波的行为和特性。例如，在无线电通信中，不同的频率用于传输信息。这些频率通常以赫兹（Hz）为单位进行测量，其中一个赫兹等于每秒一个周期。当我们向上移动频率范围时，会遇到千赫兹（kHz），表示每秒数千个周期，以及兆赫兹（MHz），表示每秒数百万个周期。在这里，megacycle是指兆赫兹的另一种说法，强调了现代技术所利用的频率范围的广泛性。megacycle的影响在我们考虑无线通信的进步时变得显而易见。例如，蜂窝网络在频率上往往达到兆赫兹范围。这使得可以在长距离内传输大量数据，使移动设备能够无缝连接到互联网并相互通信。随着技术的不断发展，对更高频率的需求，包括以megacycle为单位的频率，将只会增加，推动电信领域的可能性。此外，megacycle的概念不仅限于电信。在音频工程中，理解音频设备的频率响应涉及使用像megacycle这样的术语来描述可以再现的频率范围。高保真音响系统旨在准确再现跨越广泛频率范围的声音，通常延伸到兆赫兹区域，这有助于音频体验的清晰度和质量。总之，术语megacycle（百万周期）代表了物理、工程和通信领域中的一个重要概念。它的相关性跨越多个领域，从电信到音频工程，突显了频率在我们日常生活中的重要性。随着技术的不断进步和对更快、更高效通信的需求增长，对megacycle的理解将继续对专业人士和爱好者至关重要。接受这一知识不仅增强了我们对技术运作方式的理解，也为我们准备未来的创新奠定了基础，这些创新无疑将依赖于频率和周期的原理。