RADAR SYSTEMS IN TODAY'S NAVY

There are too many radar systems used in today's Navy to cover in this volume. However, table 1-2 provides an overview of the radars and sensors in use, by AN system designator, ship class, and related FC systems.

SUMMARY

Radio, detecting, and ranging (radar) uses radio frequency (RF) energy and a complex integration of computers, displays, and support equipment to detect a target. However, radar is just one type of sensor that is available to the modern Fire Controlman. Other types of sensors (e.g., infrared and optical) use different

Table 1-2.-Radar Systems in the U. S. Navy

Table 1-2.-Radar Systems in the U.S. Navy-Continued

parts of the electromagnetic spectrum. It is important that you, as a modern Fire Controlman, understand the basic concepts of the sensors used on your ship and other ships in the Navy. These sensors play a key part in accomplishing the ship's mission. As sensor technology improves, the Fire Controlman of the future will be expected to have a broader spectrum of knowledge and experience in order to keep our Navy on the cutting edge of naval warfare.

ANSWERS TO CHAPTER QUESTIONS Al. The radar.

A2. Radar bearing is determined by the echo signal strength as the radiated energy lobe moves past a target.

A3. Pulse-modulation.

A4. The resolution of the radar system and atmospheric conditions.

A5. Receiver recovery time.

A6. Conducting (acceleration) and dielectric (delay) types.

A7. The relative phase between elements.

A8. The control group.

A9. To measure accurately any deviation of the reference element from the horizontal plane.

A10. Air-,search radar.

All. Mid-course guidance.

A12. Active, semi-active, and passive homing.

A13. Designation, acquisition, and track.

A14. The acquisition and tracking phase.

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