amplitude

简明释义

英[ˈæmplɪtjuːd]美[ˈæmplɪtuːd]

n. 广度，阔度，量；（物理）波幅，振幅；（天文）（天体）出没方位角；（数）辐角

复 数 a m p l i t u d e s

英英释义

单词用法

同义词

反义词

例句

1.Ballism was defined as "Repetitive, but constantly varying, large amplitude involuntary movements of the proximal parts of the limbs".

颤搐被定义为“四肢近端重复的，但不断变化的大幅度不自主运动”。

2.The 4D means four data symbols (two bits), the PAM5 is Pulse Amplitude Modulation with five signal levels.

4D指四个数据符（2比特），PAM5表示分5个层级的脉冲幅度调制。

3.But that also reduces the amplitude of the motion, making it harder to detect.

但这种做法同时也降低了运动的振幅，使运动更难被探测到。

4.For A or B to happen, the probability amplitude is alpha plus beta.

如果让A或者B发生时，那么概率幅是alpha加上beta。

5.And I know the amplitude of time.

我知道时间是多么永恒无垠。

6.So if we square sigma 1 s star, we flip the amplitude so it's all positive now, but again we still have this node right in the middle.

如果我们平方1s星，我们把振幅翻转所以现在都是正的，但同样在中间有个节点。

7.The inebriant dose ethanol could enhance the amplitude of corticostriatal LTP through the way of activating the immediate-early gene.

不育剂量的乙醇可以通过激活立即早期基因的方式来增强皮层皮质 LTP 的幅度。

8.The associated cross-peak amplitude also appears to oscillate.

相关的交叉峰的幅度也在振荡。

9.The amplitude of the oscillation determines how far the pendulum swings.

振荡的幅度决定了摆锤摆动的距离。

10.The sound system was designed to enhance the amplitude of the bass frequencies.

这个音响系统旨在增强低频的幅度。

11.Engineers must calculate the amplitude of vibrations in structures to ensure safety.

工程师必须计算结构中振动的幅度以确保安全。

12.During the concert, the amplitude of the music increased dramatically.

在音乐会上，音乐的幅度急剧增加。

13.In physics, the amplitude of a wave is related to its energy.

在物理学中，波的幅度与其能量有关。

作文

In the realm of physics and engineering, the concept of amplitude plays a crucial role in understanding wave phenomena. Amplitude refers to the maximum extent of a vibration or oscillation, measured from the position of equilibrium. This term is often used when discussing sound waves, light waves, and other types of waves. For instance, in sound waves, the amplitude determines the loudness of the sound; a higher amplitude results in a louder sound, while a lower amplitude produces a softer one. Similarly, in the context of light waves, the amplitude can influence the brightness of the light perceived by the human eye.Understanding amplitude is essential for various applications, including audio engineering, telecommunications, and even medical imaging techniques such as ultrasound. In audio engineering, for example, sound engineers manipulate the amplitude of different sound sources to create a balanced mix in music production. By adjusting the amplitude of individual tracks, they can ensure that vocals are clear and prominent, while instruments maintain their presence without overpowering the overall sound.In telecommunications, amplitude modulation (AM) is a technique used to encode information in a carrier wave by varying its amplitude. This method allows for the transmission of audio signals over long distances, making it a fundamental technology in radio broadcasting. The ability to control amplitude is vital for ensuring that the transmitted signal remains strong enough to be received clearly, even amidst background noise and interference.Moreover, the concept of amplitude extends beyond mere technical definitions; it also serves as a metaphor in various aspects of life. For instance, when we speak about the amplitude of emotions, we refer to the intensity of feelings experienced during different situations. A person may experience high amplitude emotions during significant life events, such as weddings or graduations, while everyday experiences may evoke lower amplitude feelings. This metaphorical use of amplitude helps us articulate the depth and breadth of our emotional experiences.Furthermore, in the field of psychology, the amplitude of an individual's responses to stimuli can provide insights into their personality and coping mechanisms. Individuals with a high amplitude in emotional responses may be more expressive and sensitive, whereas those with a lower amplitude might exhibit more controlled reactions. Understanding these differences can enhance interpersonal relationships and improve communication.In conclusion, the term amplitude encapsulates a multifaceted concept that is integral to both scientific fields and everyday life. Its applications range from technical domains like audio engineering and telecommunications to metaphorical interpretations in emotional and psychological contexts. By grasping the significance of amplitude, we can better appreciate the complexities of waves and vibrations in nature, as well as the nuances of human experience. Whether in the study of sound, light, or personal emotions, amplitude serves as a fundamental measure of intensity, allowing us to navigate and understand the world around us more effectively.

在物理和工程领域，幅度的概念在理解波现象时起着至关重要的作用。幅度是指振动或振荡的最大幅度，从平衡位置测量。这个术语通常用于讨论声波、光波和其他类型的波。例如，在声波中，幅度决定了声音的响度；较高的幅度会导致声音更响，而较低的幅度则产生较柔和的声音。同样，在光波的上下文中，幅度可以影响人眼所感知的光的亮度。理解幅度对于各种应用至关重要，包括音频工程、电信，甚至医学成像技术，如超声。在音频工程中，例如，声音工程师操纵不同声源的幅度以创建音乐制作中的平衡混合。通过调整单独轨道的幅度，他们可以确保人声清晰突出，同时乐器保持存在感而不压倒整体声音。在电信中，幅度调制（AM）是一种通过改变载波波的幅度来编码信息的技术。这种方法允许音频信号在长距离上传输，使其成为广播技术的基础。控制幅度的能力对确保传输信号在背景噪音和干扰中保持足够强大以清晰接收至关重要。此外，幅度的概念不仅限于技术定义，它在生活的各个方面也作为隐喻出现。例如，当我们谈论情感的幅度时，我们指的是在不同情况下经历的感觉强度。一个人在重大生活事件（如婚礼或毕业典礼）期间可能会体验到高幅度的情感，而日常经历可能会引发较低的幅度感受。这种隐喻性的幅度用法帮助我们表达情感体验的深度和广度。此外，在心理学领域，个体对刺激反应的幅度可以提供关于其个性和应对机制的洞察。情感反应具有高幅度的个体可能更具表现力和敏感性，而具有较低幅度的人则可能表现出更为控制的反应。理解这些差异可以增强人际关系并改善沟通。总之，幅度这一术语包含了一个多方面的概念，是科学领域和日常生活中不可或缺的一部分。它的应用范围从音频工程和电信等技术领域到情感和心理背景中的隐喻解释。通过掌握幅度的重要性，我们可以更好地欣赏自然界中波动的复杂性，以及人类体验的细微差别。无论是在研究声音、光还是个人情感时，幅度都作为强度的基本测量，帮助我们更有效地驾驭和理解周围的世界。