half period

简明释义

半周期

英英释义

例句

1.During the experiment, we measured the time for a half period 半个周期 to determine the oscillation rate.

在实验中，我们测量了一个半个周期 half period的时间，以确定振荡率。

2.In a simple harmonic motion, the time taken to complete a half period 半个周期 is crucial for calculating the frequency.

在简谐运动中，完成一个半个周期 half period所需的时间对计算频率至关重要。

3.If the half period 半个周期 of a wave is 2 seconds, then the full cycle lasts 4 seconds.

如果一个波的半个周期 half period是2秒，那么完整的周期持续4秒。

4.The half period 半个周期 of the wave can be calculated from its wavelength and speed.

波的半个周期 half period可以通过其波长和速度计算得出。

5.The pendulum swings back and forth, and each half period 半个周期 represents one direction of its motion.

摆锤前后摆动，每个半个周期 half period代表其运动的一个方向。

作文

In the study of physics, particularly in the field of oscillations and waves, the term half period refers to the duration it takes for a wave to complete half of its cycle. Understanding this concept is crucial for students who are delving into the mechanics of waves, as it lays the foundation for more complex topics such as frequency, amplitude, and energy transfer. A wave's full cycle consists of two half periods, during which the wave moves from its starting point to a peak, back to the equilibrium position, and then to a trough before returning to the starting point. To illustrate this concept, consider a simple pendulum swinging back and forth. When the pendulum swings from its highest point on one side to the lowest point, and then to the highest point on the opposite side, this entire motion constitutes one full cycle. However, if we focus only on the time taken for the pendulum to swing from one extreme to the other, we are examining the half period. This understanding not only helps in solving problems related to pendulums but also aids in comprehending how various forms of energy are converted and transferred in physical systems.Moreover, in the context of electronics, the half period is significant when analyzing alternating current (AC) circuits. An AC signal oscillates between positive and negative values, and each complete cycle consists of two half periods—one where the current flows in a positive direction and another where it flows in the negative direction. Engineers and technicians must calculate the half period when designing circuits to ensure that they can handle the alternating nature of the current without overheating or failing.The concept of half period also extends beyond physics and engineering. In music, for example, a note played on an instrument can be analyzed in terms of its wave properties. Each note has a certain frequency, and musicians often refer to the half period when discussing the timing and rhythm of musical phrases. By understanding how long it takes for a sound wave to complete a half period, musicians can better synchronize their playing with others, creating harmony and rhythm in their performances.In conclusion, the term half period is a versatile concept that finds application across various fields, including physics, engineering, and music. Grasping the meaning and implications of half period enhances our understanding of how waves operate and interact with different systems. Whether you are swinging a pendulum, designing an electrical circuit, or playing a musical instrument, recognizing the importance of the half period can lead to deeper insights and improved performance in these activities. As we continue to explore the intricacies of wave phenomena, the half period will remain a fundamental aspect worth mastering.

在物理学的研究中，特别是在振动和波动领域，术语半周期指的是波完成其周期一半所需的时间。理解这个概念对那些深入研究波动机制的学生至关重要，因为它为更复杂的话题，如频率、振幅和能量传递奠定了基础。一个波的完整周期由两个半周期组成，在这个过程中，波从起点移动到峰值，再回到平衡位置，然后到达波谷，最后返回起点。为了说明这个概念，考虑一个简单的摆锤来回摆动。当摆锤从一侧的最高点摆动到最低点，然后到达另一侧的最高点时，这整个运动构成了一个完整的周期。然而，如果我们只关注摆锤从一个极端摆动到另一个极端所花费的时间，我们就是在研究半周期。这种理解不仅有助于解决与摆锤相关的问题，还帮助理解各种形式的能量如何在物理系统中转化和传递。此外，在电子学的背景下，半周期在分析交流电（AC）电路时也很重要。交流信号在正值和负值之间波动，每个完整周期由两个半周期组成——一个是电流朝正方向流动，另一个是电流朝负方向流动。工程师和技术人员在设计电路时必须计算半周期，以确保电路能够处理交流电的交替特性而不会过热或失效。半周期的概念不仅限于物理学和工程学。在音乐中，例如，乐器上演奏的音符可以根据其波动特性进行分析。每个音符都有一定的频率，音乐家在讨论音乐短语的节奏和时机时，常常会提到半周期。通过了解声音波完成一个半周期所需的时间，音乐家可以更好地与他人同步演奏，从而在表演中创造和谐与节奏。总之，术语半周期是一个多用途的概念，广泛应用于物理学、工程学和音乐等多个领域。掌握半周期的含义及其影响，增强了我们对波动如何运作及与不同系统互动的理解。无论你是在摆动摆锤、设计电路还是演奏乐器，认识到半周期的重要性都能带来更深刻的见解和更好的表现。随着我们继续探索波动现象的复杂性，半周期将始终是值得掌握的基本方面。