half cycle

简明释义

半周

英英释义

例句

1.In a sinusoidal waveform, one complete wave consists of a full cycle, while a single peak is referred to as a half cycle (半个周期).

在正弦波形中，一个完整的波由一个完整的周期组成，而单个峰值被称为半个周期（半个周期）。

2.The oscillation frequency can be calculated by measuring the duration of a half cycle (半个周期) and taking its inverse.

振荡频率可以通过测量半个周期（半个周期）的持续时间并取其倒数来计算。

3.In our experiment, we analyzed the energy consumption during each half cycle (半个周期) of the signal.

在我们的实验中，我们分析了信号每个半个周期（半个周期）期间的能量消耗。

4.The motor operates at a frequency of 60 Hz, meaning it completes one half cycle (半个周期) every 0.0083 seconds.

该电机以60赫兹的频率运行，这意味着它每0.0083秒完成一个半个周期（半个周期）。

5.During the test, we observed that the system could handle multiple half cycles (半个周期) without overheating.

在测试期间，我们观察到系统能够在不发生过热的情况下处理多个半个周期（半个周期）。

作文

In the realm of physics and engineering, the concept of a half cycle (半周期) plays a crucial role in understanding waveforms and oscillatory motions. A half cycle refers to the period during which a periodic function, such as a sine or cosine wave, completes half of its full oscillation. This means that if we consider a complete cycle to be 360 degrees or 2π radians, a half cycle would encompass 180 degrees or π radians. Visualizing this can be quite helpful; for instance, when you observe a swinging pendulum, it takes a half cycle to move from one extreme point to the opposite extreme point.The significance of half cycles extends beyond mere theoretical understanding; it has practical applications in various fields including acoustics, electronics, and even music. In acoustics, sound waves travel in cycles, and understanding the half cycle is essential for analyzing sound intensity and frequency. For example, in musical terms, when a note is played, it vibrates in cycles, and during each half cycle, the sound wave reaches its peak and then returns to equilibrium.In electronics, particularly in alternating current (AC) circuits, the concept of half cycles is fundamental. An AC waveform consists of positive and negative halves, with each half cycle representing the flow of electric current in one direction. Understanding how these half cycles work is vital for designing circuits that efficiently manage power supply and consumption. Engineers often analyze the behavior of components like capacitors and inductors over half cycles to predict their performance in various scenarios.Moreover, in the context of signal processing, the half cycle can be critical when filtering signals. Many digital filters operate by manipulating the half cycles of a waveform to either enhance or suppress certain frequencies. This manipulation allows for clearer audio signals or better image quality in video processing. In conclusion, the concept of a half cycle (半周期) is not just an abstract idea but a fundamental aspect of many scientific and engineering principles. It helps us understand the behavior of waves, the flow of electricity, and even the nuances of sound and music. By grasping the importance of half cycles, we can better appreciate the intricate workings of the world around us, whether it’s the rhythm of a song or the functionality of our electronic devices. As we continue to explore these concepts, the half cycle will undoubtedly remain a pivotal part of our understanding of physics and engineering.

在物理和工程领域，半周期的概念在理解波形和振荡运动方面起着至关重要的作用。半周期指的是一个周期函数（例如正弦波或余弦波）完成其完整振荡的一半所需的时间。这意味着，如果我们将完整周期视为360度或2π弧度，则半周期将包含180度或π弧度。可视化这一点非常有帮助；例如，当你观察摆锤时，它需要一个半周期从一个极端点移动到另一个极端点。半周期的重要性不仅仅限于理论理解；它在声学、电子学甚至音乐等多个领域都有实际应用。在声学中，声波以周期性方式传播，理解半周期对分析声音强度和频率至关重要。例如，在音乐术语中，当一个音符被演奏时，它会以周期性振动，而在每个半周期中，声波达到峰值，然后返回到平衡状态。在电子学中，特别是在交流电（AC）电路中，半周期的概念是基础。一个交流波形由正半周和负半周组成，每个半周期代表电流朝一个方向的流动。理解这些半周期的工作原理对于设计有效管理电力供应和消耗的电路至关重要。工程师通常分析电容器和电感器在不同场景下的表现，以预测它们在半周期内的行为。此外，在信号处理的背景下，半周期在过滤信号时可能至关重要。许多数字滤波器通过操纵波形的半周期来增强或抑制某些频率。这种操控使得音频信号更清晰，或在视频处理中提高图像质量。总之，半周期（半周期）的概念不仅仅是一个抽象的思想，而是许多科学和工程原理的基本方面。它帮助我们理解波的行为、电流的流动，甚至声音和音乐的细微差别。通过掌握半周期的重要性，我们可以更好地欣赏周围世界的复杂运作，无论是歌曲的节奏还是我们电子设备的功能。随着我们继续探索这些概念，半周期无疑将继续成为我们理解物理和工程的关键部分。