Lesson 14-1-Radar Navigation

Lesson 14-1-Radar Navigation - RADAR NAVIGATION Objectives...

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RADAR NAVIGATION
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Objectives Upon completion of this lesson, the student will: Be capable of drawing a basic block diagram of a RADAR system Know the limitations of a RADAR Know the use of RADAR in navigation
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Importance What is a RADAR???? RADAR components Factors Affecting Performance Agenda
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What is a RADAR? In a nutshell Electromagnetic energy is transmitted into space After transmission, the RADAR begins to “listen” for echoes We know ‘speed’ of RF energy and ‘time’ it took from transmit to receive; RADAR computes distance
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Importance RA dio D etection A nd R anging systems provide important information relating to: Surface contact management Radar navigation Automatic Radar Plotting Aids (ARPA)
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Importance
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Characteristics you need to understand how radar systems function and what conditions hinder their operation. Radar system operation is determined by tactical use, accuracy, range desired, and physical size limitations.
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Surface Search Radar main functions Maintain 360 degree search Detect and determine range and bearing to surface objects and low flying aircraft
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RADAR Components Modulator Transmitter Receiver Duplexer Power Supply Antenna Display
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RADAR Fundamentals factors related to “finding” a contact: Time Speed Range The time it takes for a pulse to go out, reflect off the contact, and come back determined by the speed of the pulse. The faster the pulse moves, the shorter the elapsed time.
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