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本发明涉及极坐标成象变换到直角坐标成象的扫描变换器.在雷达,声纳或超声视频设备中得到的图象例如扇形扫描图象,平面位置指示器图象均可变换到适用于阴极射线管光栅扫描的直角坐标系.任何扫描变换器的基本要求是能接收可资利用的特定速率和格式的视频数据并显示不同速率和格式的数据.模拟存贮管己被用于诸如雷达扫描数据之类的低数据率到高数据,例如用于无闪烁电视或其他直角显示扫描数据的变换.模拟技术是
BACKGROUND OF THE INVENTION Field of the Invention The present invention relates to a scan converter for converting polar coordinates into Cartesian coordinates Images obtained in radar, sonar or ultrasonic video equipment, such as fan-shaped scan images and planar position indicator images, Cathode Ray Tube Raster Scanning Cartesian Coordinates Any scanner converter is basically capable of receiving video data at a specific rate and format that is available and displaying data at different rates and formats Analog storage tubes have been used in applications such as radar Low data rate-to-high data such as scan data, for example for conversion of flicker-free television or other right-angle display scan data Analog technology