Radar Display
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High Quality Content by WIKIPEDIA articles! Modern radar systems typically use some sort of raster scan display to produce a map-like image. In the past, notably during the early days of radar development, such displays were difficult to produce for a number of reasons. Several different display types were developed during this period. All early radar displays were built using adapted oscilloscopes with various inputs. In a general sense, oscilloscopes are cathode ray tubes with three input "channels" that are attached to sources of varying voltage. The voltages are amplified and sent into one…mehr

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High Quality Content by WIKIPEDIA articles! Modern radar systems typically use some sort of raster scan display to produce a map-like image. In the past, notably during the early days of radar development, such displays were difficult to produce for a number of reasons. Several different display types were developed during this period. All early radar displays were built using adapted oscilloscopes with various inputs. In a general sense, oscilloscopes are cathode ray tubes with three input "channels" that are attached to sources of varying voltage. The voltages are amplified and sent into one of the deflection magnets or the "intensity" channel, which controls the brightness of the spot on the screen. All of these channels are also equipped with a bias voltage source that allows the zero point to be set. By varying the voltages sent into the channels, the cathode beam can be made to move around, appearing as a spot on the display.