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In figure 1-11, only the target within the half-power points will reflect a useful echo. Two targets at the same range must be separated by at least one beam width to be distinguished as two objects. —Beam half-power points. 1-14 RADAR ACCURACY Radar accuracy is a measure of the ability of a radar system to determine the correct range, bearing, and, in some cases, height of an object. The degree of accuracy is primarily determined by the resolution of the radar system. Some additional factors affecting accuracy are pulse shape and atmospheric conditions.

Importantly, it can also help you study for the Navy-wide advancement in rate examination. If you are studying and discover a reference in the text to another publication for further information, look it up. 1998 Edition Prepared by FTMC Frank E. Sloan and FTCM Gilbert J. Cote' Published by NAVAL EDUCATION AND TRAINING PROFESSIONAL DEVELOPMENT AND TECHNOLOGY CENTER NAVSUP Logistics Tracking Number 0504-LP-026-8430 i Sailor’s Creed “I am a United States Sailor. I will support and defend the Constitution of the United States of America and I will obey the orders of those appointed over me.

This switching is necessary because the high-power pulses of the transmitter would destroy the receiver if energy were allowed to enter the receiver. As you probably already realize, timing of this switching action is critical to the operation of the radar system. What you may not realize is that the minimum range ability of the radar system is also affected by this timing. The two most important times in this action are PULSE WIDTH and RECOVERY TIME. This timing action must be such that during the transmitted pulse (pulse width), only the transmitter can be connected to the antenna.

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Radar Principles by Naval Education & Training Professional Development & Technology Center


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