IQT Block 2

IQT Block 2 What are the major components of the E-3 ESMS? - ✔✔Antennas Fwd & aft Electronic Racks E77 Cabinet Circuit Breakers Software Mode of transmitting on one antenna and receiving on another antenna? - ✔✔Lob ...

IQT Block 2 What are the major components of the E-3 ESMS? - ✔✔Antennas Fwd & aft Electronic Racks E77 Cabinet Circuit Breakers Software Mode of transmitting on one antenna and receiving on another antenna? - ✔✔Lobe on receive only What is the frequency range of the ESMS? - ✔✔500-18K MHz What is the purpose of the IF processor? - ✔✔It determines the signal strength, frequency, and phase of received threat. What operates, controls, and test the ESMS? - ✔✔MCS What is the accuracy of the emitter position determined by triangulation? - ✔✔Elliptical error of probability What is it called when a radar is capable of producing and switching between various scan patterns? - ✔✔Agile Uses each echo pulse from the target to determine a new azimuth and elevation correction? - ✔✔Mono pulse Process used by the PDS to try to locate an emitter? - ✔✔Triangulation When the PDS cannot ID an emitter? - ✔✔Ambiguity Action taken iso military operations against the enemy's EM capabilities? - ✔✔Electronic Attack What are the three basic divisions of Electronic Warfare? - ✔✔Electronic Attack (EA), Electronic Protection (EP), Electronic Warfare Support (ES) Actions taken to prevent or reduce enemy's effective use of electromagnetic spectrum, primarily thru jamming and deception. - ✔✔Electronic Attack Actions taken to attempt to retain use of its electromagnetic equipment, despite the attacking force's use of EW - ✔✔Electronic protection That division of EW involving actions tasked by, or under direct control of, an operational commander to search for, intercept, identify, and locate sources of intentionally and unintentionally radiated electromagnetic energy for the purpose of immediate threat recognition. - ✔✔Electronic Warfare Support Rate of motion (3x10^8 meters/sec) for electromagnetic energy? - ✔✔Speed The orientation of a wave's electrical field. - ✔✔Polarization The number of cycles or repetitions of a sine wave that occur each second. - ✔✔Frequency Time it takes for electromagnetic energy to complete one cycle. - ✔✔Period Point on the waveform (measured in degrees) through which the wave is passing. - ✔✔Phase Distance between points having a corresponding phase in two consecutive cycles of a sine wave. - ✔✔Wavelength time that the radar set is transmitting RF energy. - ✔✔Pulse Duration Number of pulses per second that the radar transmits. - ✔✔Pulse repetition frequency Time from the beginning of one pulse of RF energy to the beginning of the next. - ✔✔Pulse repetition interval signal or echo that is received when a pulse is reflected from a target - ✔✔Signal strength distance in degrees between the half power points. - ✔✔Beam width Time required for one complete scan, or cycle, of the antenna. - ✔✔Scan duration range from which an echo can return before the next succeeding pulse is transmitted - ✔✔Maximum Theoretical Range Which parameter affects the range resolution of a radar? - ✔✔Pulse Duration Which parameters affect maximum theoretical range? - ✔✔Pulse Repetition Frequency/ Pulse Repetition Interval Which parameter affects azimuth resolution? - ✔✔Beamwidth Which parameters affect the rate at which data might be collected on a target? - ✔✔Pulse Repetition Frequency/ Pulse Repetition Interval, Scan Duration, Beamwidth Which parameter is changed to affect the pitch of a carrier wave? - ✔✔Frequency Which parameter is changed to affect the tone of a carrier wave? - ✔✔Amplitude Allowing the instantaneous carrier amplitude to be controlled by the characteristics of the modulating signal - ✔✔AM When the modulating signal is applied in the AM process, what are the new frequencies generated called? - ✔✔Sidebands If the carrier wave is modulated with more than one audio frequency in the AM process, the composite AM waveform would be what? - ✔✔Continuous Wave Statement best describing frequency modulation - ✔✔Frequency of the carrier wave is varied by the amplitude and frequency of the modulating signal Bandwidth of the frequency modulated wave vs. amplitude modulated wave - ✔✔FM requires much greater bandwidth than AM Involves turning an RF transmitter on for a short period of time and off for a long period of time - ✔✔Pulse modulation Provides all azimuth, all altitude coverage at ranges up to 200 nm - ✔✔Early Warning Radar Acquisition Radars - ✔✔Have shorter pulse durations Usual power and PRF characteristics of Acquisition Radars - ✔✔Low to medium power and medium PRF What type of beams does a V-beam radar at a GCI site have? - ✔✔Vertical and slant beams. GCI radars provide what type of information? - ✔✔Azimuth, range, and altitude information Target tracking radars, in general, use what type of PW and beam width? - ✔✔Short pulse width and small beam width Type of info usually provided by target illuminator radar? - ✔✔Continuous illumination of the target Missile Guidance radars normally use what type of scan? - ✔✔Steady scan Using two narrow pencil beams, each pointed slightly off antenna boresight, is the definition of what? - ✔✔Sequential Lobing Continuously rotating an offset antenna beam is the definition of.... - ✔✔Conical scan Using two separate beams and two separate antennas on two different frequencies with one scanning in elevation and the other scanning in the horizontal - ✔✔Track while scan produced by rotating a feed horn around the center of a stationary dish - ✔✔Conical A thin beam is used to cover a rectangular by horizontally sweeping the area, with the angle of elevation being stepped up or down with each horizontal sweep of the sector. - ✔✔Raster No motion, but the antenna may move to follow a target. - ✔✔Steady A thin beam is scanned conically to cover a large circular area - ✔✔Spiral The conical scan combined or superimposed on another type of scan - ✔✔Palmer What things will tend to have an impact on triangulation capability? - ✔✔Range, RF, aircraft bank angle and orbit type Used to request ambiguity resolution - ✔✔Color Commonly used tell format used by USAF agencies for reporting ES data. Used to provide perishable information of tactical significance for the immediate attention of tactical commanders. - ✔✔TACREP Request for information on a system at a stated location, usually a request for ambiguity resolution - ✔✔Color Known ID of a specific system at the stated location - ✔✔Tag What is the doctrine dictating the EEP required before off board reporting can occur? - ✔✔Spins