stationary wave

简明释义

驻波

英英释义

例句

1.The stationary wave 驻波 in the air column of a pipe can produce different musical notes.

管道空气柱中的stationary wave 驻波可以产生不同的音乐音符。

2.In a vibrating string, the formation of a stationary wave 驻波 occurs when two waves of the same frequency travel in opposite directions.

在振动的弦上，当两个频率相同的波朝相反方向传播时，会形成一个stationary wave 驻波。

3.In optics, a stationary wave 驻波 can be formed when light reflects between two mirrors.

在光学中，当光在两个镜子之间反射时，可以形成一个stationary wave 驻波。

4.When a tuning fork is struck, it generates a stationary wave 驻波 in the air that creates sound.

当音叉被敲击时，它在空气中产生一个stationary wave 驻波，从而发出声音。

5.The stationary wave 驻波 pattern can be observed in a vibrating drumhead.

在振动的鼓膜上可以观察到stationary wave 驻波模式。

作文

In the study of physics, particularly in the field of wave mechanics, the concept of a stationary wave (驻波) plays a crucial role in understanding how waves behave under certain conditions. A stationary wave is formed when two waves of the same frequency and amplitude travel in opposite directions and interfere with each other. This phenomenon can be observed in various contexts, including musical instruments, strings, and even in the air. The resulting wave pattern does not appear to move through space but instead oscillates in fixed positions, creating nodes and antinodes. To illustrate this concept, let’s consider a guitar string. When a guitarist plucks a string, the vibration creates waves that travel along the length of the string. If these waves reflect off the ends of the string, they can interfere with incoming waves, leading to the formation of a stationary wave (驻波). In this case, the points on the string where there is no movement are called nodes, while the points of maximum movement are called antinodes. The distance between two consecutive nodes or antinodes is half the wavelength of the wave. The importance of stationary waves (驻波) extends beyond musical instruments. They are also fundamental in understanding resonance, which occurs when a system is driven at its natural frequency. For instance, when a tuning fork is struck, it produces stationary waves (驻波) in the air around it, leading to sound waves that we can hear. This principle is applied in various technologies, including microphones and loudspeakers, which rely on the generation and manipulation of stationary waves (驻波) to produce sound. Moreover, stationary waves (驻波) can be found in different media, such as water and air. In water, when waves reflect off the shore or other obstacles, they can create patterns of stationary waves (驻波) that can be observed as standing waves on the surface. Similarly, in air, sound waves can create regions of high and low pressure, leading to the formation of stationary waves (驻波) that contribute to the richness of sound. Understanding stationary waves (驻波) is not only important for theoretical physics but also has practical applications in engineering and technology. Engineers often design systems that utilize the principles of stationary waves (驻波) to optimize performance. For example, in telecommunications, antennas are designed to resonate at specific frequencies, creating stationary waves (驻波) that enhance signal transmission. In conclusion, the study of stationary waves (驻波) offers valuable insights into the behavior of waves in various contexts. From musical instruments to engineering applications, the principles underlying stationary waves (驻波) are essential for understanding how waves interact and propagate. By exploring this fascinating topic, we gain a deeper appreciation for the complexities of wave mechanics and their significance in our everyday lives.