公开(公告)号：US06353474B1

公开(公告)日：2002-03-05

申请号：US09548482

申请日：2000-04-13

Applicant: Thaddeus Kucharski ,  Grant Ager ,  Jose J. Barbosa ,  Roberto Conte ,  Gregory H. Link ,  William D. McKay ,  Alan W. Tom ,  William J. Brennan, III

Inventor： Thaddeus Kucharski ,  Grant Ager ,  Jose J. Barbosa ,  Roberto Conte ,  Gregory H. Link ,  William D. McKay ,  Alan W. Tom ,  William J. Brennan, III

IPC: G01J142

CPC classification number: G01C11/02

Abstract: An improved system and method for obtaining photogrammetric measurements which eliminates optical distortions created by thermal gradients on windows that are used to protect the photogrammetry camera. A gate valve is introduced between the window and the wall that opens for a limited time to allow the camera to take measurements of a test article contained within a thermal testing chamber. This limits or eliminates any thermal gradients on the window and improves photogrammetric measurements. With a gate valve the window can be removed entirely, as the gate valve can prevent a thermal gradient from being introduced to the lens of the photogrammetry camera. The improved system is suited for making close-in photogrammetric measures of test articles on earth.

Abstract translation: 用于获得摄影测量测量的改进的系统和方法，其消除了用于保护摄影测量相机的窗口上的热梯度产生的光学失真。 门窗被引入窗口和壁之间，打开一段有限的时间以允许相机对包含在热测试室内的测试物品进行测量。 这限制或消除了窗口上的任何热梯度，并改进了摄影测量的测量。 使用闸阀可以完全拆下窗户，因为闸阀可防止热梯度被引入摄影测量相机的镜头。 改进的系统适用于对地球上的测试物品进行近距离摄影测量。