ASSIGNMENT  1 Textbook  Assignment: “Introduction  to  Basic  Radar,”   chapter 1, pages 1-1 through 1-8; and  “Radar  Systems  Equipment  Configuration,”  chapter  2,  pages  2-1 through  2-6. 1-1. A radar transmits a pulse, and 309 µsec later the radar receives an echo. What is the number of nautical miles between the radar and the contact? 1. 6.1 2. 12.2 3. 25 4. 50 1-2. Which method of transmitting radar energy works well with stationary or slow- moving targets, but is not  satisfactory  for  locating fast-moving  objects? 1.   AM 2.   CW 3.   FM 4. Pulse 1-3. A radar cannot determine range if it uses which of the following types  of  energy  transmission? 1.   AM 2.   CW 3.   FM 4. Pulse 1-4. Which of the following methods of energy  transmission  is  used  to  a great extent in Navy radars? 1.   AM 2.   CW 3.   FM 4. Pulse 1-5. Which radar unit permits the use of a single antenna for both transmit  and  receive  functions? 1. Antenna 2. Duplexer 3. Indicator 4. Modulator 1-6. 1-7. 1-8. 1-9. 1-10. Which  of  the  following  radar  units supplies rf energy of high power for  short  time  intervals? 1. Transmitter 2. Receiver 3. Modulator 4. Duplexer Which  of  the  following  radar  units ensures  that  intervals  between pulses are of the proper length? 1. Transmitter 2. Receiver 3. Modulator 4. Antenna Which  of  the  following  radar  units passes the echo to the receiver with  minimum  loss? 1. Transmitter 2. Duplexer 3. Modulator 4. Antenna Which  of  the  following  radar  units converts the weak rf echo to a discernable  video  signal? 1. Duplexer 2. Modulator 3. Receiver 4. Indicator Which  of  the  following  radar  units generates  all pulses? 1. Duplexer 2. Modulator 3. Receiver 4. Indicator necessary  timing 1