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Navy Electricity and Electronics Training Series (NEETS)
Module 18—Radar Principles
Chapter 4:  Pages Index-1 through Index-3

 

MODULE 18 INDEX



A

A-scope, 3-2

Acquisition (mode), 1-37

Airborne radar, 1-38

Airborne radar antennas, 3-20 to 3-21

Air control panel, 4-17

Altitude, 1-12

Ambiguous returns, 1-6 to 1-7

Amplitron, 2-17

Antennas, broadside arrays, 3-19
directivity, 3-15
horn radiators, 3-19
parabolic reflectors, 3-16 to 3-18
power gain, 3-15
reflectors, 3-16 to 3-19

Antenna beam width, 1-14, 3-15

Antenna system, 1-20

Antijamming circuits, 2-41

Artificial transmission line, 2-10 to 2-11

Asymmetrical multivibrator, 2-5

ATR, 2-23 to 2-26

Automatic gain control (AGC), 2-40

Average power, 1-7, 4-8 to 4-9

Azimuth, 1-3

B

Balanced mixer, 2-34 to 2-37

Bearing, 1-11 to 1-12
relative, 1-11
true, 1-3, 1-11

Bearing resolution, 1-14

Beat frequency, 1-27

Blip, o’scope, 3-3

Blocking, 2-31

Broadside array, 3-19

C

Carrier-control approach (CCA), 1-38

Carrier frequency, 1-5, 4-2

Clutter, 2-42

Coherence, 1-29

Coherent oscillator, 2-18

Conical scanning, 1-21

Continuous-wave (CW) transmission, 1-25

Cooling systems, 4-19 to 4-21

Crossed-field amplifier, 2-17 to 2-20

D

Deflection coils, 3-7 to 3-8

Dehydrators, 4-18 to 4-19

Deionization time, 2-22, 4-13

Designation (mode), 1-37

Detectors, 2-32, 2-38

Difference frequency, 1-27

Directional antenna, 3-15

Directivity, 3-15

Discriminator, 2-33

Doppler effect, 1-25 to 1-27

Dry-air systems, 4-16 to 4-19

Ducting, 1-17

Duplexers, 2-20 to 2-30

Duty cycle, 1-8 to 1-9

E

Echo, 1-2

Echo box, 4-5 to 4-8

Electronic counter-counter measures (ECCM), 2-40 to 2-41

Electrical power, 4-15 to 4-16

Elevation angle, 1-3

F
Fast-time-constant (FTC), 2-41

Feedhorns, 3-20

Frequency modulation, 1-27

Frequency spectrum, 4-2 to 4-5

Frequency synthesizer, 2-18

G

Gated AGC, 2-41

Glow discharge, 2-22

Ground-controlled approach (GCA), 1-38

Guidance radar, 1-37


INDEX-1




H

Hazards, 4-22 to 4-24
rf radiation, 4-22
X-rays, 4-23

Height-finding radar, 1-35

Horn radiators, 3-19

Hybrid ring, 2-28 to 2-30

I

IF amplifier, 2-38

Indicators, 3-1 to 3-14

A-scope, 3-2
PPI, 3-4 to 3-10
RHI, 3-3

Instantaneous automatic gain control (IAGC), 2-40

Intermediate frequency, 1-20

K

Keep-alive voltage, 2-22, 4-13

Keyed-oscillator transmitter, 2-13 to 2-16

Klystron power amplifier, 2-18

L
Lin-log amplifier, 2-45 to 2-47

Liquid-cooling system, 4-19 to 4-21

Logarithmic receiver, 2-45 to 2-47

M

Magic T, 2-35

Magnetron oscillator, 2-7, 2-13

Master oscillator, 2-4

Minimum discernible signal (MDS), 4-11

Missile-guidance radar, 1-37

Mixers, 2-32 to 2-37

Modulators, 2-6 to 2-11
hard-tube, 2-8
line-pulsing, 2-8 to 2-11

Monopulse, lobing, 1-23
receiver, 2-47 to 2-48

Moisture lapse, 1-17

Moving target indicator (MTI), 2-42 to 2-45


N

Noise, 2-31

Noise figure, 4-11

Nutating, 1-21

P

Parabolic reflectors, 3-16 to 3-18

Parasitic array, 3-17

Peak power, 1-7

Persistence, CRT, 3-10

Phantastron, 3-11

Pip, o’scope, 3-3

Plane wavefronts, 3-17

Planned-position indicator (PPI), 3-4 to 3-10

Power, average, 1-7
gain, antenna, 3-15
measurement, 4-8 to 4-9
peak, 1-7, 4-8 to 4-9

Power-amplifier transmitter, 2-16 to 2-20

Preamplifier, 2-33

Pulse-doppler transmission, 1-29

Pulse-forming network, 2-11

Pulse-modulation transmission, 1-28

Pulse-repetition rate (PRR), 1-5

Pulse-repetition frequency (PRF), 1-5, 1-7 to 1-10

Pulse-repetition time (PRT), 1-6

R

Radar, accuracy, 1-15 to 1-18
altitude, 1-12
altimeter, 1-32
antennas, 3-15 to 3-21
beams, 1-14, 1-20, 3-15
bearing, 1-11
classification and use, 1-30 to 1-32
components, 1-18 to 1-20
duplexers, 2-20 to 2-30
indicators, 3-1 to 3-14
maintenance, 4-1 to 4-24
receivers, 2-30 to 2-48
safety, 4-22 to 4-24
support systems, 4-14 to 4-21
synchronizers, 2-1 to 2-6


INDEX-2




Radar, accuracy—Continued transmission methods, 1-25 to 1-30
continuous-wave, 1-25 to 1-27
frequency-modulation, 1-27
pulse-doppler, 1-29
pulse-modulation, 1-28 to 1-29
types, 1-33 to 1-39
airborne, 1-38

CCA and GCA, 1-38
missile guidance, 1-37
search, 1-33 to 1-35
track, 1-37

Radiation hazards, 4-22

Range, 1-3 to 1-6

Range gate, 3-11

Range height indicator (RHI), 3-3

Range marker, 3-11

Range resolution, 1-13

Range step, 3-13

Ranging circuits, 3-10 3-14

Receivers, 2-30 to 2-48, 4-9 to 4-12
bandwidth, 4-12
components, 2-33 to 2-39
logarithmic, 2-45 to 2-47
monopulse, 2-47 to 2-48
moving-target indicator (MTI), 2-42 to 2-45
sensitivity, 4-10 to 4-12
special circuits, 2-40 to 2-42
superheterodyne, 2-32 to 2-39

Recovery time, 1-5, 4-13 to 4-14

Reflex klystron, 2-33

Refraction, 1-17

Refractive index, 1-17

Relative bearing, 1-11

Resolution, 1-13 to 1-14

Resonance chamber, 4-5

RF radiation hazards, 4-22

Ring time, 4-7 to 4-8

S

Safety, 4-22 to 4-24

Scanning, 1-20 to 1-25

Sea clutter, 2-42

Search radar, 1-12, 1-33 to 1-36

Second-sweep echoes, 1-6

Sensitivity time control (STC), 2-40

Slant range, 3-2

Spectrum analyzer, 4-2

Standing wave measurement, 4-14

Superheterodyne receiver, 2-32 to 2-39

Support systems, 4-14 to 4-21

Synchronizers, 2-1 to 2-6

T

Thyratron, 2-12

Timer, 2-1

TR tube, 2-21 to 2-26

Tracking radar, 1-37

Transmission methods, radar, 1-25 to 1-30

Transmitter frequency, 4-2 to 4-8

Transmitter power measurement, 4-8 to 4-9

Transmitters, 2-6 to 2-20
keyed-oscillator, 2-13 to 2-16
power amplifier, 2-16 to 2-20

Traverse signal, 1-24

Trigger generator, 2-1

Trigger pulses, 2-2

True bearing, 1-3, 1-11

Two-dimensional radar, 1-34

V

Vertical plane, 1-3

Video enhancement features, 2-39

Voltage standing wave ratio (VSWR), 4-14

W

Wavefronts, 3-16

X

X-ray hazard, 4-23


INDEX-3



Introduction to Matter, Energy, and Direct Current, Introduction to Alternating Current and Transformers, Introduction to Circuit Protection, Control, and Measurement, Introduction to Electrical Conductors, Wiring Techniques, and Schematic Reading, Introduction to Generators and Motors, Introduction to Electronic Emission, Tubes, and Power Supplies, Introduction to Solid-State Devices and Power Supplies, Introduction to Amplifiers, Introduction to Wave-Generation and Wave-Shaping Circuits, Introduction to Wave Propagation, Transmission Lines, and Antennas, Microwave Principles, Modulation Principles, Introduction to Number Systems and Logic Circuits, Introduction to Microelectronics, Principles of Synchros, Servos, and Gyros, Introduction to Test Equipment, Radio-Frequency Communications Principles, Radar Principles, The Technician's Handbook, Master Glossary, Test Methods and Practices, Introduction to Digital Computers, Magnetic Recording, Introduction to Fiber Optics

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