A Digital Processing and Display System for the Rotating Beam Ceilometer (AN/GMQ-13) PDF Download

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A Digital Processing and Display System for the Rotating Beam Ceilometer (AN/GMQ-13)

A Digital Processing and Display System for the Rotating Beam Ceilometer (AN/GMQ-13) PDF Author: James Weyman
Publisher:
ISBN:
Category : Cathode ray tubes
Languages : en
Pages : 76

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Book Description
A microprocessor-based automated display system for the Rotating Beam Ceilometer (RBC) was developed to demonstrate the feasibility of modernizing and improving the present display system. The new system consists of a Burroughs self-scan panel display (model number SSD0124-0039) and an Intel 8080A-based microcomputer. The program acquires the signal returns from the RBC, converts the analog signal to a digital value, and displays the most recent scan. The system allows for three modes of operation or processing. Two modes, a one-scan mode and a five-scan mode, require no further inputs from the user once they have been selected. A manual mode which is user-interactive is also available. The basic display capabilities consist of a depiction of signal intensity vs. height, a numerical display of the height of the peak value and an illuminated cursor positioned at the peak value. Evaluation of the system at AFGL and Scott AFB, IL has confirmed that the display is more readable, provides more accurate cloud heights and permits better interpretation of the data obtained than does the current CRT display system. Further considerations which will be incorporated before operational implementation are discussed. (Author).