scanning voltage

简明释义

扫描电压

英英释义

Scanning voltage refers to the varying electrical potential used in scanning techniques, such as in electron microscopy or other imaging methods, to control the movement of the scanning beam across a sample.

扫描电压是指在扫描技术中使用的变化电位,例如在电子显微镜或其他成像方法中,用于控制扫描束在样品上移动的电压。

例句

1.The scanning voltage influences the contrast of the final image.

扫描电压影响最终图像的对比度。

2.You must set the correct scanning voltage for optimal performance.

您必须设置正确的扫描电压以获得最佳性能。

3.Adjusting the scanning voltage can help reduce background noise.

调整扫描电压可以帮助减少背景噪声。

4.In electron microscopy, the scanning voltage determines the depth of field.

在电子显微镜中,扫描电压决定了景深。

5.The device adjusts the scanning voltage to improve image resolution.

该设备调整扫描电压以提高图像分辨率。

作文

In the realm of electronics and signal processing, the term scanning voltage refers to a specific voltage level used in various applications, particularly in oscilloscopes and other measurement devices. This voltage is essential for scanning signals across different time intervals, allowing engineers and technicians to analyze waveforms effectively. Understanding scanning voltage is crucial for anyone working with electronic instruments, as it plays a significant role in the accuracy and reliability of measurements.The concept of scanning voltage can be illustrated through its application in an oscilloscope. An oscilloscope is a device that visually represents electrical signals as waveforms on a screen. To capture these signals accurately, the oscilloscope uses a scanning voltage to sweep across the display, sampling the input signal at regular intervals. This sweeping action allows the user to observe changes in voltage over time, providing insights into the behavior of electronic circuits.When setting up an oscilloscope, one of the key parameters that must be configured is the scanning voltage. This voltage determines how quickly the oscilloscope's electron beam moves across the screen. A higher scanning voltage results in a faster sweep, which is useful for capturing high-frequency signals. Conversely, a lower scanning voltage allows for a more detailed view of slower signals, but it may miss rapid changes in the waveform.Moreover, the choice of scanning voltage can significantly affect the resolution of the displayed signal. When the voltage is set too high, the resulting waveform may appear compressed, making it difficult to discern individual peaks or troughs. On the other hand, if the scanning voltage is too low, the waveform may stretch out, potentially obscuring important details. Therefore, finding the right balance in scanning voltage settings is vital for accurate signal analysis.In addition to oscilloscopes, scanning voltage is also relevant in other areas of electronics, such as in analog-to-digital converters (ADCs) and signal generators. In ADCs, the scanning voltage helps determine the sampling rate, which is critical for converting continuous signals into discrete digital values. Similarly, in signal generators, adjusting the scanning voltage can help create specific waveforms for testing and calibration purposes.Furthermore, understanding the implications of scanning voltage extends beyond just technical specifications; it also involves recognizing the limitations and challenges associated with its use. For instance, excessive scanning voltage can lead to signal distortion, while insufficient voltage can result in missed data points. Therefore, engineers must carefully consider the context in which they are operating and adjust their equipment accordingly.In conclusion, the term scanning voltage is a fundamental concept in the field of electronics, particularly in the context of signal measurement and analysis. By mastering the principles surrounding scanning voltage, professionals can enhance their ability to interpret complex waveforms and improve the performance of electronic devices. As technology continues to advance, the importance of understanding scanning voltage will only grow, making it an essential topic for anyone involved in electronics and engineering.

在电子和信号处理领域,术语扫描电压指的是在各种应用中使用的特定电压水平,特别是在示波器和其他测量设备中。此电压对于在不同时间间隔内扫描信号至关重要,使工程师和技术人员能够有效地分析波形。理解扫描电压对任何与电子仪器工作的人来说都是至关重要的,因为它在测量的准确性和可靠性中发挥着重要作用。扫描电压的概念可以通过其在示波器中的应用来说明。示波器是一种将电信号以波形形式在屏幕上可视化表示的设备。为了准确捕捉这些信号,示波器使用扫描电压在显示屏上进行扫描,以定期采样输入信号。这种扫描动作使用户能够观察电压随时间的变化,从而提供有关电子电路行为的见解。在设置示波器时,必须配置的关键参数之一是扫描电压。该电压决定了示波器电子束在屏幕上移动的速度。较高的扫描电压会导致更快的扫描,这对于捕捉高频信号非常有用。相反,较低的扫描电压允许更详细地查看较慢的信号,但可能错过波形中的快速变化。此外,扫描电压的选择会显著影响显示信号的分辨率。当电压设置得过高时,生成的波形可能看起来被压缩,从而难以辨别单个峰值或谷值。另一方面,如果扫描电压设置得过低,波形可能会拉伸,可能遮蔽重要细节。因此,在扫描电压设置上找到合适的平衡对于准确的信号分析至关重要。除了示波器,扫描电压在电子学的其他领域也很相关,例如模拟到数字转换器(ADC)和信号发生器。在ADC中,扫描电压帮助确定采样率,这对于将连续信号转换为离散数字值至关重要。同样,在信号发生器中,调整扫描电压可以帮助创建特定的波形,用于测试和校准目的。此外,理解扫描电压的含义不仅限于技术规格;还涉及认识到与其使用相关的限制和挑战。例如,过高的扫描电压可能导致信号失真,而不足的电压可能导致丢失数据点。因此,工程师必须仔细考虑他们操作的上下文,并相应地调整设备。总之,术语扫描电压是电子领域中的一个基本概念,特别是在信号测量和分析的背景下。通过掌握围绕扫描电压的原则,专业人士可以增强其解释复杂波形的能力,并提高电子设备的性能。随着技术的不断进步,理解扫描电压的重要性只会增加,这使其成为任何参与电子和工程领域的人都必须掌握的主题。

相关单词

scanning

scanning详解:怎么读、什么意思、用法

voltage

voltage详解:怎么读、什么意思、用法