Electronic warfare threat modeling and simulation is invaluable in providing test and training opportunities without expense and danger.
Most electronic warfare threat modeling and simulation strategies use signal parameters such as radio frequency, pulse repetition interval and pulse width. This is necessary because electronic warfare systems have to operate in wideband for detecting radar signals and to obtain high Probability of Intercept (POI).
Legacy EW receivers use to operate at 4.0 GHz bandwidth covering 2 to 18 GHz frequency in four bands for receiving search/track radar radiations. Generally, the pulse window is of finite duration, whereas the bandwidth of the pulse envelope is typically not greater (e.g., 10 MHz) and is sparse in time.
Radar signals typically repeat (on the order of 10 kHz), but the gaps between the pulses is greater than the length of the pulses and is sparse in frequency.
The relevant features of a radar pulse for EW receiver are frequency, pulse width, time of arrival, angle of arrival, radar signal polarization and modulations on pulse (time, frequency, and phase), etc.
These systems operate in time domain reaching to theoretical limits in design; they also suffer with dense signal environment, high power CW radiations, and mobile interference. The EW receiver detects the radar signal with analog thresholding and measure the required information with proven analog logics for further processing.
However, EW analysts would like to see electronic warfare threat modeling and simulation training where a threat platform modeling application in MATLAB is presented because a real threat has maneuverability in 3D space.
Threat platforms and their antenna scan types (steady scan, circular scan, sectoral scan, raster scan, helical scan, scan, lobe switching) are expressed mathematically in 3-dimensional space using Euler Angles. The maneuvers of the threat platform are modeled using Rotation Matrices.
By collecting the signals emitted by a threat in moving and fixed positions separately by the friendly platform, the differences between amplitude and phase values, which are important for direction finding and antenna scanning type detection algorithms, have been examined and the importance of maneuverability in a modeling has been proven.
Want to know more? Tonex offers Electronic Warfare Threat Modeling and Simulation Training, a 4-day course that provides modeling and simulation of classic and new threat environment applied to Electronic Warfare (EW) foundation.
This course designed for military professionals, analysts, engineers, electrical engineers, project managers, electronic warfare technical professionals and anyone involved in planning, analysis, modeling and simulation of Electronic Warfare Threat in the new environment.
For more information, questions, comments, contact us.