potentiometers

简明释义

英[pəˈtɛnʃiˌɒmɪtəz]美[pəˈtɛnʃiˌɑːmɪtərz]

n. [电]电位器（potentiometer 的复数）；电位差计；[电]电位计

英英释义

单词用法

同义词

反义词

例句

1.Fundamental concept, electric parameters and their measurement methods of potentiometers are surveyed and basis to select types and caution in service of the potentiometers are emphasized.

综述电位器的基本概念、电气性能参数及其测量方法，侧重介绍电位器选型依据及使用注意事项。

2.Components for electronic equipment. Precision wirewound rotary potentiometers. General requirement.

电子件。精密线绕电位计。一般规定。

3.The outputs are transformer balanced on XLR connectors and controlled by rotary master potentiometers.

的输出变压器平衡的XLR接口和旋转主电位器控制。

4.Hereby, absolute position detection is achieved with incremental sensors, where one formerly was obliged to use rotary potentiometers.

由此，利用递增的传感器实现绝对位置检测，而先前人们必须使用旋转电位计。

5.In this paper, digital potentiometers X9C103 to change the high-frequency amplifier feedback resistor to achieve the control feedback purposes.

本文采用数字电位器x9c 103来改变高频放大器的反馈电阻以达到控制反馈的目的。

6.This paper analyses the difficulty in potentiometers' Contact Resistance Variation (CRV) test, and introduces an effective test method-Qarsi-Envelope test method (QETM).

本文分析了电位器接触电阻变化率(CRV)测量的难点，提出了一种行之有效的方法——准包络测量法。

7.The pulse frequency can be selected by EPLD. The voltage amplitude and pulse width of analog pulse can be adjusted by analog switches and digitally controlled potentiometers.

频率通过用可编程器件EPLD控制，而脉冲信号的宽度和幅度通过多路模拟开关和数字电位器调节。

8.When the motor speed must, through the reduction gear drive cascading rotary potentiometers, the voltage difference is 0, motor to stop rotating.

当电机转速一定时，通过级联减速齿轮带动电位器旋转，使得电压差为0，电机停止转动。

9.Dual limit relays contain two comparators and potentiometers operating into a single electro - mechanical relay.

双限继电器包含两个比较器和一个电位器，在一个单一的机电继电器下运行。

10.Many guitar pedals use potentiometers to control effects like distortion and reverb.

许多吉他效果踏板使用电位器来控制失真和混响等效果。

11.The audio engineer adjusted the potentiometers to balance the sound levels during the live concert.

音频工程师在现场音乐会上调整了电位器以平衡音量。

12.The technician replaced the faulty potentiometers in the old radio to restore its functionality.

技术人员更换了旧收音机中的故障电位器以恢复其功能。

13.Some digital devices use potentiometers for user input, allowing for variable resistance.

一些数字设备使用电位器作为用户输入，允许可变电阻。

14.In robotics, potentiometers are often used to measure the position of a servo motor.

在机器人技术中，电位器常用于测量伺服电机的位置。

作文

In the world of electronics, there are numerous components that play critical roles in the functioning of devices we use every day. One such component is the potentiometers, which are essential for controlling electrical resistance and adjusting voltage levels. Understanding how potentiometers work can greatly enhance our grasp of electronic circuits and their applications.A potentiometer is a three-terminal resistor with a sliding or rotating contact that forms an adjustable voltage divider. This means that it can be used to vary the output voltage in a circuit based on the position of the wiper, which is the movable contact. The primary function of potentiometers is to allow users to control the amount of current flowing through a circuit, making them invaluable in various applications.One of the most common uses of potentiometers is in volume control for audio devices. When you turn the knob on a radio or stereo, you are actually adjusting the potentiometer inside the device. This adjustment alters the resistance in the circuit, thereby changing the amplitude of the audio signal that reaches the speakers. Without potentiometers, it would be impossible to have such precise control over sound levels.In addition to audio equipment, potentiometers are also widely used in other consumer electronics, such as televisions and computer monitors. They can adjust brightness, contrast, and color balance, providing users with a customized viewing experience. The ability to fine-tune these settings enhances user satisfaction and ensures that devices meet individual preferences.Moreover, potentiometers are crucial in various industrial applications. For instance, they are used in robotics to control the position of motors. By adjusting the potentiometer, engineers can ensure that a robotic arm moves to the desired location with precision. This capability is vital in manufacturing processes where accuracy is paramount.Understanding the principles behind potentiometers also opens the door to more advanced electronic design. Engineers often use them in circuit design to create feedback loops, which are essential for stabilizing systems. For example, in an amplifier circuit, a potentiometer can be used to set the gain, allowing for better control of the output signal. This versatility makes potentiometers a fundamental component in both simple and complex circuits.Beyond their practical applications, potentiometers also serve as an educational tool. In electronics education, students learn about potentiometers as part of their studies in circuit theory and design. Experiments involving potentiometers help students understand concepts such as voltage division, resistance, and the relationship between current and voltage. This foundational knowledge is crucial for anyone looking to pursue a career in engineering or electronics.In conclusion, potentiometers are more than just simple components; they are integral to the functionality of many devices that we rely on daily. From controlling volume in audio equipment to fine-tuning settings in industrial machines, their role cannot be underestimated. By understanding how potentiometers work and their various applications, we can appreciate the complexity and ingenuity of modern electronics. As technology continues to evolve, the importance of potentiometers will undoubtedly remain significant, making them a key area of study for future engineers and innovators.

在电子世界中，有许多组件在我们每天使用的设备中发挥着关键作用。其中一个组成部分是电位器，它对控制电阻和调整电压水平至关重要。了解电位器的工作原理可以大大增强我们对电子电路及其应用的理解。电位器是一种三端电阻器，具有滑动或旋转接触点，形成可调节的电压分压器。这意味着它可以根据滑动触点的位置来改变电路中的输出电压。电位器的主要功能是允许用户控制流经电路的电流量，使其在各种应用中不可或缺。电位器最常见的用途之一是在音频设备的音量控制中。当你转动收音机或立体声上的旋钮时，实际上是在调整设备内部的电位器。这种调整改变了电路中的电阻，从而改变到达扬声器的音频信号的幅度。如果没有电位器，就不可能对声音水平进行如此精确的控制。除了音频设备，电位器还广泛用于其他消费电子产品，如电视和计算机显示器。它们可以调整亮度、对比度和色彩平衡，为用户提供定制的观看体验。能够微调这些设置提高了用户满意度，并确保设备符合个人偏好。此外，电位器在各种工业应用中也至关重要。例如，它们被用于机器人技术中以控制电动机的位置。通过调整电位器，工程师可以确保机器人手臂精确移动到所需位置。这种能力在制造过程中至关重要，因为准确性至关重要。理解电位器背后的原理也为更高级的电子设计打开了大门。工程师通常在电路设计中使用它们创建反馈回路，这对于稳定系统至关重要。例如，在放大器电路中，可以使用电位器来设置增益，从而更好地控制输出信号。这种多功能性使得电位器成为简单和复杂电路中的基本组件。除了它们的实际应用，电位器还作为教育工具。在电子教育中，学生学习关于电位器的知识，作为他们电路理论和设计研究的一部分。涉及电位器的实验帮助学生理解电压分配、电阻以及电流与电压之间的关系。这些基础知识对于任何希望从事工程或电子学职业的人来说都是至关重要的。总之，电位器不仅仅是简单的组件；它们是许多我们依赖的设备功能的核心。从控制音频设备中的音量到微调工业机器中的设置，它们的作用不可低估。通过了解电位器的工作原理及其各种应用，我们可以欣赏现代电子产品的复杂性和创造力。随着技术的不断发展，电位器的重要性无疑将保持显著，使其成为未来工程师和创新者研究的关键领域。