黑脉冲条测试图卡简介

　　黑脉冲条分辨率测试图卡TE129用于测量视频系统中的低和中频响应(条纹)和光斑。白色背景的密度约为0.15。 黑色矩形的宽度等于图片宽度的25%(约0.05MHz)。 此外，该图表示窄的黑色脉冲，宽度等于1%图像宽度(约1.25MHz)。 黑色图像区域的密度为D> 1.9(误差<0.1%)。

　　Introduction of black pulse test chart card

　　Black Resolution test card TE129 is used to measure the low and medium frequency response (stripes) and spot in the video system. The density of the white background is about 0.15. The width of the black rectangle is equal to 25% of the width of the picture (about 0.05MHz). In addition, the figure shows a narrow black pulse with a width equal to 1% image width (about 1.25 MHz). The density of the black image area is D> 1.9 (error <0.1%).