period per second

简明释义

每秒周期数

英英释义

例句

1.The sound wave has a frequency of 440 periods per second, which corresponds to the musical note A.

这个声波的频率为440周期，对应于音乐音符A。

2.The heart beats approximately 75 periods per second during rest, indicating a healthy rhythm.

心脏在静息时大约每秒跳动75周期，表明节律健康。

3.To analyze the data, we need to convert the measurements into periods per second for easier comparison.

为了分析数据，我们需要将测量值转换为每秒周期数以便于比较。

4.The machine operates at a speed of 60 periods per second, which means it completes one cycle every second.

这台机器的运转速度为每秒60周期，意味着它每秒完成一个循环。

5.In this experiment, we measure the frequency in periods per second to determine the oscillation rate.

在这个实验中，我们用每秒周期数来测量频率，以确定振荡速率。

作文

Understanding the concept of frequency is essential in various fields, especially in physics and engineering. One of the key terms related to frequency is 'period per second', which can be expressed as the number of cycles or events that occur in one second. In scientific terms, this is often referred to as frequency, measured in hertz (Hz). For example, if a wave completes 5 cycles in one second, its frequency is 5 Hz, meaning there are 5 'periods per second'. This concept is crucial when discussing waves, sound, and light, as it helps us quantify how often these phenomena occur. The definition of 'period per second' (周期每秒) is straightforward but has significant implications in real-world applications. In telecommunications, for instance, understanding the frequency of signals can determine the quality and speed of data transmission. Higher frequencies can transmit more data in a shorter amount of time, which is why technologies such as 5G utilize higher frequencies to achieve faster internet speeds. Similarly, in music, the frequency of sound waves affects the pitch we hear. A note with a frequency of 440 Hz corresponds to the musical note A4, commonly used as a tuning standard. In addition to physics and music, the concept of 'period per second' (周期每秒) is also relevant in biology. For instance, the heart rate of an individual can be measured in beats per minute, but it can also be converted into periods per second for scientific analysis. A heart rate of 60 beats per minute translates to 1 beat per second, or 1 'period per second'. This measurement can provide insights into a person's health and fitness levels. Moreover, the concept extends to other areas such as engineering and computer science. In mechanical systems, the frequency of vibrations can affect the performance and safety of machinery. Engineers must consider the 'period per second' (周期每秒) when designing components to ensure they can withstand the stresses of operation. In computer science, algorithms may run at specific frequencies, and understanding these rates can optimize performance and resource allocation. In conclusion, the term 'period per second' (周期每秒) encapsulates a fundamental aspect of how we measure and understand various phenomena across different disciplines. Whether it's analyzing sound waves, evaluating heart rates, or optimizing technological systems, recognizing the significance of frequency helps us navigate and improve the world around us. By grasping this concept, we can better appreciate the intricate relationships between time, cycles, and the processes that govern our universe.