N7660c signal studio for multiemitter scenario generation mesg provides an intuitive software interface to create. Each pdw information depicting each particu lar pulse includes. The option cc1, 100pin io interface for binary input fast. Signals intelligence sigint is intelligencegathering by interception of signals, whether communications between people communications intelligenceabbreviated to comint or from electronic signals not directly used in communication electronic intelligenceabbreviated to elint. It will form pulse descriptor words of four and each word 32 bit. Visualize simulation and pulses in the time domain before downloading to uxg system. Pulse descriptor word output sensitivity 60dbm typical pulse 50ns analogue pri audio parameter specification operating frequency 2 to 18ghz instantaneous bandwidth 16ghz receiver sensitivity 57dbm at the rx input port instantaneous dynamic range 60db. Descriptor word list textures airy, bristly, bumpy, coarse, dimpled, edged, feathery, filmy, fluffy, fuzzy, gaseous, glassy, grainy, greasy, gritty, hairy, hard. Change in frequency based on pulse to pulse or scan to scan is known as frequency agility. Its main feature is to determine the pulse descriptor words pdws. This 192 bit is designed and developed in vhdl language and implemented in xilinx ise design suite. It is the standard form of digital audio in computers, compact discs, digital telephony and other digital audio applications.
The first 2 bytes contain the length ll of the segment, including. Specific emitter identification using intrapulse data ieee xplore. The apparatus includes a personal computer and an electronics unit configured for easy integration into an es system between the receiver and pulse. The performance is evaluated at various signaltonoise ratio conditions. The pdw is broken in multiple parts packets, where each packet contains specific signal attributes. Descriptor definition of descriptor by the free dictionary. Computers a word, phrase, or alphanumeric character used to identify an item in an information storage and retrieval system. Pulse descriptor word collector the united states of.
Similarly, the change in pw is known as pw agility. The dr068 transmits a pulse descriptor word on the fpdp every time an. A pulse descriptor word collector as in claim 2, wherein said collector is portable and may be removed to a laboratory setting for said play back and analysis. Complete patent searching database and patent data analytics services. A portable apparatus and a method for inserting digitized previously recorded or fabricated radio frequency rf pulse descriptor word pdw data files into an electronic surveillance es system to realistically simulate a complex rf environment. To mitigate the increasing complexity of this task, this design proposes an fpga architecture to produce pulse descriptor words pdw for up to eight independent radio frequency signals that can be used in nearreal. Emitter identification of electronic intelligence system using type2. Modular multisignal tracking pulse descriptor word pdw. A set of test signals representing different types of radar is first generated which is then used to estimate pulse word descriptors from the time parameters. A pulse descriptor word pdw collector, including an extractor coupled to a computer, for passively. Using these displays, measure the signal characteristics for the pulse descriptor word. Pulse descriptor word pdw recording and playback optionsbuiltin training options frequencymodulated continuous wave fmcw detection and identification at very high sensitivity electronic intelligence elint subsystem uses digital receivers for precision measurements highspeed digital recorder es3701u key system capabilities.
The simulation is carried in mat lab were two scenarios are considered. Advanced drfm target generator for radar test and evaluation. A pulse descriptor word collector as in claim 1, wherein said ram transfers said data to said memory storage for later retreival. Units and divisions related to nada are a part of the school of electrical engineering and computer science at kth royal institute of technology. Argument is a list of lists where each inner list contains the values for a single pulse descriptor word. As a result of measurement, for each pulse specific description, so called pulse descriptor word pdw, containing primary parameters is created. The available signal attributes are governed by the installed instrument options see the. The list of acronyms and abbreviations related to pdw pulse descriptor word. Pulse descriptor word pdw generator with field programmable gate array fpga. Pdw format files to meet his specific format requirements.
The option cc1, 100pin io interface for binary input fast control port enables communications from the controller to the signal generator using pulse descriptor words pdw. Pulse descriptor word mot decripteur dimpulsion psw en. Each one of the parameters will be in the region of 16 to 31 data bits. Pulse descriptor word collector the united states of america as. Adaptive and intelligent electronic warfare support. Adds advanced pulse generator apg rf source assess feasibility of pulse descriptor word pdw translating interface between neweg dgen and ng amhersts apg radio frequency generation hardware description current status pdr completed feb 2015 cteip cost share agreement mar 2015 contract award junejuly 2015. The cs3002 is a vmebased dual pulse analyzer unit pau that accepts if and video inputs and provides deinterleaved pulse descriptor word pdw data for radar analysis and identification. The output of the feature extractor is a pulse descriptor word pdw which contains the feature values of the intercepted sign al i. Approach of pulse parameters measurement using digital iq. Pulse analysis calculates startstop time, averagepeak power, pulse duration, pulse repetition interval pri and startstop frequencies on up to 2,000,000 pulses pulse analysis results can be saved in pulse descriptor word pdw format for use with other tools. International journal of engineering and technical. They have speci c ring sequence that can be examined in the spectrum. Its main feature is to determine the pulse descriptor words pdws which consists of.
Transfer them directly to the uxg and generate long pulse trains with individual control of pulse characteristics. Iq modulated radar signals from streamed pulse descriptor words pdw received via lan. Pulse descriptive word how is pulse descriptive word abbreviated. To help you quickly respond to new threats, the uxg understands pulse descriptor words pdws. N7660c signal studio for multiemitter scenario generation. Pdf detection and extraction of radio frequency and. In a pcm stream, the amplitude of the analog signal is sampled regularly at uniform intervals, and each sample is quantized to the nearest value within a range of digital steps. Pdf detection and extraction of radio frequency and pulse. The segment descriptor word, similar to the record descriptor word, is a 4 byte field that describes the segment. Pulse descriptor word pdw recording and playback builtin training options frequencymodulated continuous wave fmcw detection and identification at very high sensitivity electronic intelligence elint subsystem uses digital receivers for precision measurements highspeed digital recorder es3701s key system capabilities.
Index terms em wave, radar, rf pulse, 192 bit pulse parameter word format i. The pulse descriptor word includes the characterised pulse information with an applied time stamp ts of when the pulse arrived toa in the system. This functionality is useful for emitter waveform verification in test and evaluation. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Using histogram analysis, the estimated pulse word descriptors is then classified with a set of known data base.
As signal spectra become dense, the task of tracking and identifying radars becomes increasingly cumbersome. Import of pulse descriptor word pdw lists replaying customerspecific pdw lists is an essential feature to enable customers to reuse legacy simulation scenarios that have been created. Pdw is defined as pulse descriptive word very rarely. Phantomrf has an option to detect pulses, encode pulse parameters into pulse descriptor words pdws, and deinterleave multiple emitters to detect and track pris. Signals intelligence is a subset of intelligence collection management. Estimating time parameters for radar pulse descriptor. You can also create predefined scenarios by storing pdws in uxg memory and playing.
Pulsecode modulation pcm is a method used to digitally represent sampled analog signals. Pulse detectionpulse repetition interval pri tracking. Electronic warfare infrastructure improvement program ewiip. Pulse descriptive word how is pulse descriptive word. Arguments are 0 no operation, 1 first pdw after reset, or 2 reset, must be followed by pdw with operation 1. The cs3002 dual pulse analyzer unit provides stateoftheart radar signal measurement and processing for modern radar emitter analysis. Pulse descriptor word pdw streaming with the rssmw200a. Modular multisignal tracking pulse descriptor word pdw generator with field programmable gate array fpga implementation. Conversion of raw signal data into pulse descriptor words pdws. Then, pdw signal will be applied on deinterleaver to determine pulse repetition interval pri and it could be a simple pulse, staggered or jittered pulse. The pdw for each intercepted signal is stored in a pulse buffer for.
The primary interface for pulse measurement information is the front panel data port. The variety of radars in modern theaters of war compound the task due to simultaneous operation. The modulations in the pulse may be chirp, barker coded and stepped fm. This extraction results in formation of pulse descriptor words which is the basic first step for radar warning receivers. The pdw for each intercepted signal is stored in a pulse buffer for further processing. Introduction electronic warfare ew system is used to protect military resources from enemy threats. Each record segment consists of a segment descriptor word sdw followed by the data. Pulse definition, the regular throbbing of the arteries, caused by the successive contractions of the heart, especially as may be felt at an artery, as at the wrist. Late latin descriptor, describer, from latin describere, descript, to describe. The variation in frequency, prf and pw on pulse to pulse basis also exists in the radar signals.
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