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49 Cards in this Set
- Front
- Back
(615) What is the wsr-88d xmitter wavelength and peak power?
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between 10 and 11 cm with a peak transmitted power of 700 +-50 kilowatts (kW)
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(615) Which unit is considered the wsr-88d's workstation for the retrieval of products?
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principal user processor (PUP)
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(615) The two basic wsr-eed components considered to be the radars memory are...
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COHO and STALO
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(615) The method used for xmission in the wsr-88d is generation of a
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composite frequency of COHO and STALO and amplification by a klystron
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(616) What wsr-88d radar subsystem generates and radiates RF pulses?
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radar data acquisition (RDA)
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(616) Software required to perform the signal processing in the wsr-88d radar data acquisition (RDA) is located in the...
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data processor cabinet
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(616) What wsr-88d radar equpipment group provides high speed intercomputer transfer of data between the RDA and RPG?
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wideband communications (WBC)
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(616) What is the maxiumum distance allowed by the wsr-88d's wideband communication group when remoting data via a direct wire link?
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400 feet
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(616) Hardware and software required for wsr-88d system remote control, status monitoring, and error detection are contained in the
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radar product generator (RPG)
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(616) WSR-88d system testing and troubleshooting, local product selection, generation, and distribution control is done by the
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unit control position (UCP)
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(616) Graphics processing, narrowband links, local control, and status monitoring software for the wsr-88d's principal user processor (PUP) are contained in the
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PUP data processor cabinet
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(616) What unit allows the local control and testing of the WSR-88d's principal user processor (PUP) display processor?
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system console
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(617) In the wsr-88d radar, transmitter fault isolation to the line replaceable unit (LRU) is under control of the radar data acquisition (RDA) maintenance terminal and the
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xmitter cabinet maintenence panel
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(617) In the wsr-88d radar xmitter what circuit regulates the pulse forming network (PFN) charge to within 0.01 percent of the desired charge?
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post charge regulator
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(617) What is the name of the switch used to discharge the PFN in the wsr-88d radar transmitter?
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reverse blocking diode thyristor
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(617) In the wsr-88d radar xmitter, what signal synchronizes the operation of the RF driver to the system PRF?
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RF pretrigger
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(617) In the Wsr-88d radar xmitter, how many watts of peak power will drive the klystron to full power?
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7.5 watts
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(617) What portion of the klystron amplifier develops the stream of electrons that supplies energy for amplification?
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electron gun
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(617) The specific resonating frequency of any klystron cavity is changed by...
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adjusting the size of the internal cavities
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(618) What processor in the wsr-88d controls the antenna pedestal elevation increment movement?
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RDA Status and control processor
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(618) What method enables the wsr-88d radars RDA status and control processor (RDASC) to perform on-line calibration?
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sampled power at the elevation rotary joint sent to the processor via the data acquisition unit
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(619) In the wsr-88d radar receiver, what circuit performs the conversion of the IF to I and Q video signals?
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I/Q Phase detector
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(619) In the wsr-88d radar, what circuit forms the dividing line between analog and digital processing?
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Analog to digital converter
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(619) What function injects test and calibration signals in to the wsr-88d's receivers front end?
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test source select function
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(620) In the wsr-88d what monitors and asseses the performance of the radar data acquisition (RDA), performs calibration calculations, and reports RDA status to the RPG
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RDASC M3200 processor
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(620) Which function is performed by the wsr-88d radar's radar data acquisition (RDA) hardwired signal processor?
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ground clutter filtering
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(620) Master timing for the wsr-88d radar xmitter, radar receiver, and RDA status and control processor is provided by the
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hardwired signal processor (HSP)
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(620) The programmable signal processor in the wsr-88d's radar data acquisition (RDA) data processor cabinet transfers the microcode routine to the random access memory (RAM) on...
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system initialization
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(621) A function of the wsr-88d radar product generator (RPG) processor is to
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dealias velocity
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(621) What outputs from the wsr-88d radar product generator (RPG) processor are sent to the RDA?
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control commands, volume coverage patterns, clutter sensor zones, and data requests
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(621) What is used in the wsr-88d radar product generator (RPG) to allow direct data transfer between memory and various peripherals?
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direct memory access (DMA)
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(621) In the wsr-88d radar product generator (RPG) archive III storage unit, what type of device is used for permanent memory storage?
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optical disk drive
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(622) The wsr-88d radar product generator (RPG) dial port modems support communication with...
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nonassociated PUP's and other users
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(622) What type of medium do the wsr-88d radar product generator (RPG)dedicated-port modems support?
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private (leased) telephone lines
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(622) In the wsr-88d weather radar, what communications link does the statistical multiplexer (STATMUX A7) support?
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unit control position (UCP)
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(623) What controls the loading of the wsr-88d radar product generator (RPG) operating system?
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unit control position (UCP)
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(623) In the wsr-88d, what communications link is used to connect the remote unit control position (UCP) to the radar product generation processor?
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narrowband
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(623) What configuration lets the wsr-88d radars unit control position (UCP) access the radar product generator (RPG) operating system, application and maintenance programs, and the control diagnostic system?
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Local and remote UCP configurations
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(623) Along with a terminal and high speed printer, a wsr-88d radars remote unit control position (UCP) includes a
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STATMUX and dedicated port modem
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(624) What processor in the wsr-88d radars principal user processor (PUP formats data and distributes it to data storage, archive IV, and graphics processor?
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display processor
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(624) What section of the principal user processor (PUP) data processor cabinet provides visual alerts, audible alerts, and status display info?
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display processor
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(624) What processor in the wsr-88d radar system interfaces with the system console and application terminal, and responds to their action requests?
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PUP display processor
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(624) What processor in the wsr-88d radar's PUP data processor cabinet receives product inputs from the display processor, formats the data, and writes them in to graphics memory?
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graphics processor
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(624) What processor in the wsr-88d receives and responds to control request from the PUP workstations graphics tablet?
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PUP graphics processor
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(625) What PUP device is the primary operational position for the wsr-88d weather radar?
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PUP workstation
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(625) In the wsr-88d radar's PUP, the interfacing between the graphics processor and the display processor is accomplished by the...
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application terminal
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(625) In the wsr-88d radar's PUP, the purpose of puck and tablet data generated bye the graphics tablet and sent to the graphics processor is to
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conrol the display and select radar produts
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(625) What wsr-88d radar processor is responsible for actuating threshold alarms provided by the audible alarm UD46?
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display processor
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(617)In the wsr-88d radar xmitter, what assembly interfaes the xmitter to equipment outside of the xmitter cabinet?
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control and monitoring
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