horizontal blanking pulse

简明释义

水平消隐脉冲

英英释义

A horizontal blanking pulse is a signal used in video and display technologies that indicates the end of a line of pixels and the beginning of the next line, allowing the electron beam in CRTs or the display circuitry to reset and move to the next line without displaying any information.

水平消隐脉冲是在视频和显示技术中使用的信号,指示一行像素的结束和下一行的开始,允许CRT中的电子束或显示电路重置并移动到下一行,而不显示任何信息。

例句

1.Engineers must ensure that the horizontal blanking pulse 水平消隐脉冲 meets the specifications for high-definition displays.

工程师必须确保水平消隐脉冲 horizontal blanking pulse 符合高清显示的规格。

2.The television's display relies on the horizontal blanking pulse 水平消隐脉冲 to reset the electron beam after each line.

电视的显示依赖于水平消隐脉冲 horizontal blanking pulse 在每一行之后重置电子束。

3.Adjusting the timing of the horizontal blanking pulse 水平消隐脉冲 can improve display synchronization.

调整水平消隐脉冲 horizontal blanking pulse 的时序可以改善显示同步。

4.The horizontal blanking pulse 水平消隐脉冲 is crucial for preventing flickering in CRT monitors.

水平消隐脉冲 horizontal blanking pulse 对于防止CRT显示器闪烁至关重要。

5.In video signal processing, the horizontal blanking pulse 水平消隐脉冲 indicates the end of a scan line.

在视频信号处理中,水平消隐脉冲 horizontal blanking pulse 表示扫描线的结束。

作文

In the world of electronics and signal processing, understanding various components and their functions is crucial. One such component is the horizontal blanking pulse, which plays a significant role in the synchronization of video signals. To comprehend its importance, we first need to explore what a blanking pulse is and how it operates within the context of video display technology.A blanking pulse is a signal that temporarily turns off the electron beam in cathode ray tube (CRT) displays or stops the image processing in modern digital displays. The horizontal blanking pulse specifically occurs during the horizontal scanning period of the display. When an image is displayed on a screen, the electron beam scans from left to right across the screen, illuminating pixels to create the desired image. However, once the beam reaches the end of a line, it must return to the beginning of the next line to continue this process. This return journey is where the horizontal blanking pulse comes into play.During this brief moment, the display does not need to show any information, so the horizontal blanking pulse effectively 'blanks' the screen. This is necessary to prevent any visual artifacts or distortions that might occur if the beam were to be visible during the retrace period. The duration of the horizontal blanking pulse is essential; it must be precisely timed to ensure that the electron beam can reposition itself without disrupting the flow of the image being displayed.The significance of the horizontal blanking pulse extends beyond just CRTs. In modern digital displays, such as LCDs and LEDs, similar principles apply. Although the technology has evolved, the fundamental need for synchronization remains. The horizontal blanking pulse ensures that images are rendered smoothly and without interruption. In digital video formats, these pulses are still utilized to maintain the integrity of the video signal, ensuring that frames are transmitted and displayed correctly.Moreover, the horizontal blanking pulse is not only vital for the display but also for the processing units that handle video signals. For example, video signal processors rely on these pulses to synchronize the timing of data transmission. Without the horizontal blanking pulse, there could be significant delays or misalignments in the video output, leading to poor quality and viewer dissatisfaction.In conclusion, the horizontal blanking pulse is a fundamental aspect of video display technology that ensures smooth and accurate image rendering. It serves to synchronize the horizontal scanning process, preventing visual artifacts during the retrace period. From CRTs to modern digital displays, the principles behind the horizontal blanking pulse remain relevant, highlighting the importance of timing and synchronization in electronics. As technology continues to advance, the underlying concepts of blanking pulses will likely evolve, but their necessity in delivering high-quality visual experiences will endure. Understanding the horizontal blanking pulse is crucial for anyone interested in the fields of electronics, video technology, or signal processing, as it embodies the intricate dance of timing and precision required to create the images we enjoy on our screens today.

在电子和信号处理的世界中,理解各种组件及其功能至关重要。其中一个组件是水平消隐脉冲,它在视频信号的同步中发挥着重要作用。为了理解它的重要性,我们首先需要探讨什么是消隐脉冲以及它在视频显示技术中的作用。消隐脉冲是一种信号,它暂时关闭阴极射线管(CRT)显示器中的电子束,或停止现代数字显示器中的图像处理。具体来说,水平消隐脉冲发生在显示器的水平扫描期间。当图像显示在屏幕上时,电子束从左到右扫描屏幕,照亮像素以创建所需的图像。然而,一旦束到达一行的末尾,它必须返回下一行的开头以继续这一过程。这一返回旅程就是水平消隐脉冲发挥作用的地方。在这一短暂的时刻,显示器不需要显示任何信息,因此水平消隐脉冲有效地“消隐”了屏幕。这是必要的,以防止在重回期间出现任何视觉伪影或失真。水平消隐脉冲的持续时间至关重要;它必须精确计时,以确保电子束可以重新定位而不会干扰正在显示的图像流。水平消隐脉冲的重要性不仅限于CRT。在现代数字显示器中,如LCD和LED,类似的原理也适用。尽管技术已经发展,但对同步的基本需求仍然存在。水平消隐脉冲确保图像平滑且无中断地呈现。在数字视频格式中,这些脉冲仍被用于维护视频信号的完整性,确保帧被正确传输和显示。此外,水平消隐脉冲不仅对显示至关重要,还对处理视频信号的单元至关重要。例如,视频信号处理器依赖这些脉冲来同步数据传输的时机。如果没有水平消隐脉冲,视频输出可能会出现显著的延迟或错位,导致质量下降和观众不满意。总之,水平消隐脉冲是视频显示技术的基本方面,确保图像渲染平滑且准确。它用于同步水平扫描过程,在重回期间防止视觉伪影。从CRT到现代数字显示器,水平消隐脉冲背后的原理仍然相关,突显了电子学中时序和同步的重要性。随着技术的不断进步,消隐脉冲的基本概念可能会演变,但它们在提供高质量视觉体验方面的必要性将持续存在。理解水平消隐脉冲对任何对电子学、视频技术或信号处理感兴趣的人来说都是至关重要的,因为它体现了创造我们今天在屏幕上享受的图像所需的时机和精确度之间的复杂舞蹈。

相关单词

horizontal

horizontal详解:怎么读、什么意思、用法

blanking

blanking详解:怎么读、什么意思、用法

pulse

pulse详解:怎么读、什么意思、用法