行频

本文指出行频对电视频谱特性起重要作用，对图象清晰度有一定的影响。

This paper points out that the TV line frequency has significant action on spectrum and certain influence upon picture definition .

电视信号行频对频谱特性和清晰度的作用

Influence of line Frequency to Characteristics of Spectrum and Definition of TV

从工程实际出发，以相机侧摆成像为例，系统分析了行频精度对TDICCD相机成像质量的影响。

In view of practical projects , this paper analyzed the influence of the precision of row frequency on the image quality of a TDICCD camera systematically by taking scroll imaging for an example .

等行频采样方式下的红外图像帧重建仿真研究

Research on infrared image reconstruction simulation with equal row frequency sampling

GW500彩色显示器多行频自动同步系统与自动S校正电路设计特点

Design Features of Automatic Multi-frequency Sync System and S-correction Circuit

基于变行频采样的红外图像重建技术研究

Infrared image reconstruction technique based on variable row frequency sampling

它沿水平方向逐步扩展，通常是由低于行频的频率畸变造成的。

Typically caused by distortions to the frequency components below the horizontal line frequency .

在介绍圆锥扫描机制下基于等行频采样机理的红外图像完整重建技术的基础上，进行了大量的重建图像仿真。

The infrared image reconstruction strategy and technique are introduced and the reconstruction frame images are simulated .

系统具有调光和行频调节功能，用以满足在不同能量状态和不同飞行高度下的成像质量。

To improve imaging quality , the system has the function of luminous energy and line frequency adjusting .

利用空间基准参量，通过计算机仿真给出了变行频采样示意图和重建图像。

Using the space benchmark parameters , the sampling of variable row frequency and reconstructed image were listed .

提高了行频后采用自动跟踪技术调整行幅及校正水平枕形失真的理论分析。

Adopt after increases a Frequency the auto follow the technique adjusts an and correct the level Pillow form lose the true theories analysis .

结果表明，侧摆角度越大，积分级数越高，对行频精度的要求就越高，反之越低。

The results show that the bigger the scroll angle and the integral number of TDICCD are , the higher the precision of required row frequency is .

显示器分辨率提高的方法很多，可以从带宽、点距、行频、场频等方面讨论，而这些因素都是相互联系的。

The display distinguishes the method of the rate exaltation a lot of , we may Discussion from Order to be apart from , line Frequency , Field Frequency so and so .

通过分析文字的点阵输出原理和行频、场频控制逻辑，实现了可编程的单片文本输出译码的片上系统设计，并对该系统的功能进行了仿真与验证。

By analysing the dot-matrix output principle of letters and characters as well as the HV control logic , we design a system-on-chip decoder , and verify the system functions through simulations .

结合圆锥扫描机制下变行频采样的运动特性、优点和采样机理，通过补场搜索重建了导弹架上捕获模式下的完整红外图像。

Integrated with the movement properties , advantages and mechanism of variable row frequency sampling based on cone scan , the whole infrared image was reconstructed under the mode of capture on shelf by increasing filed search .

为了有效提高红外图像的分辨率，充分利用红外器件获得的扫描数据和相应的空间信息，文中重点研究了基于圆锥扫描的等行频采样方式下红外图像帧重建仿真。

In order to enhance the resolution of infrared image and take full advantage of the scan data with corresponding space information , the infrared frame image simulation with equal row frequency sampling is studied with emphasis .

为了使一些单元或线列探测器获得的扫描数据含有相应的空间信息，进而提高获得红外热像的分辨率，提出了圆锥扫描机制下基于变行频采样机理的红外图像完整重建策略。

In order to make the scan data of cell or line detectors include corresponding space information and enhance the resolvability of infrared image , the reconstruction strategy of infrared image was proposed . It was based on the mechanism of variable row frequency sampling under cone scan .