ASSIGNMENT 1

ASSIGNMENT 1 Textbook Assignment: “Introduction to Basic Radar Systems,” chapter 1, pages 1-1 through 1-11; “Basic Radar Systems,” chapter 2, pages 2-1 through 2-30; and “Radar Safety,” chapter 3, pages 3-1 through 3-7. 1-1. Radar surface angular measurements are normally made from which direction? 1. Counter-clockwise from true north 2. Clockwise from true north 3. North/south 4. East/west 1-2. The angle measured clockwise from true north in the horizontal plane defines which of the following terms? 1. True north 2. Line-of-sight range 3. True bearing/azimuth 4. Horizontal plane 1-3. Which of the following factors does NOT affect the maximum range of a pulse-radar system? 1. Pulse-repetition frequency 2. Peak power of the transmitted pulse 3. Diameter of the radar dish 4. Carrier frequency 1-4. The angle between the centerline of the ship and a line pointed directly at a target is called 1. relative bearing 2. angular bearing 3. true bearing 4. angle north 1-5. What is the most common method used to transmit radar energy? 1. Frequency-modulation 2. Continuous-wave 3. Doppler 4. Pulse 1-6. What method of transmitting radar energy can be modified to use the Doppler effect? 1. Agile 2. Pulse 3. Continuous-wave 4. Frequency-modulation 1-7. Azimuth is a word that can be substituted for 1. pulse 2. range 3. bearing 4. frequency 1-8. According to the block diagram figure 1-4, what is considered to be the heart of a fundamental radar system? 1. Antenna system 2. Transmitter 3. Modulator 4. Duplexer 1-9. High power in the transmitter can be obtained by using which of the following components? 1. Modulator 2. Magnetron 3. Klystron 4. Either 2 or 3 above 1-10. Which of the following subsystems is used to convert RF echoes to a lower frequency? 1. Superheterodyne receiver 2. Antenna system 3. Transmitter 4. Duplexer 1