We propose to develop time-domain electromagnetic coupling effects software based on the MTL formulation for analyzing UWB radio frequency (RF) signal effects on electronics located inside semi-enclosed cavities, such as personal computers, buildings, vehicles and aircraft. The time-domain MTL… More

One of the most important problems encountered in an electromagnetic environment is that of providing compatibility between radiating and receiving RF equipment within the environment. This problem is a type of EMI and the goal of RF system designers and analysts is to achieve EMC where no… More

Modern military and commercial aircraft include numerous RF systems and associated antennas serving a multitude of functions. Typically, the designed free space performance of antennas is degraded by their installation on the airframe. Also, the presence of many RF systems in a small region creates… More

A engineering software product is proposed with unprecedented capabilities for rigorously predicting electromagnetic coupling to networks of multi-conductor transmission lines and nonlinear circuits located in realistic enclosures (e.g., circuit board cabinets, buildings, vehicles). Simultaneous… More

Rotorcraft are increasingly turning toward high-resolution Ka- through W-band radar sensors that can image terrain and obstructions but also see through the particulates that confound infrared and optical sensors, such as sand, ocean spray, and fog. As with any onboard sensor, designers must… More

Physics-based modeling and simulation tools for predicting electromagnetic interference (EMI) and vulnerability (EMV) between RF systems are playing an increasingly important role in system level performance predictions. In order to accurately capture all of the complexity associated with RF systems… More

We will develop a simulation framework aimed at statistically characterizing EMI in aircraft replete with navigation, communication, and sensing systems subject to excitation and geometric uncertainties. The framework will simulate a carefully chosen set of deterministic coupling scenarios (i.e.,… More

Many highly accurate electromagnetic solvers have been developed based on a variety of full-wave and asymptotic algorithms. The tools provide cost effective insight into electromagnetic phenomena and allow analysts to perform trade studies while reducing expensive measurements. By itself, a… More

One of the most important problems encountered in an electromagnetic environment is that of providing compatibility between radiating and receiving RF equipment within the environment. This problem is a type of electromagnetic interference and the goal of RF system designers and analysts is to… More

One of the most important problems encountered in an electromagnetic environment is that of providing compatibility between radiating and receiving RF equipment within the environment. This problem is a type of EMI and the goal of RF system designers and analysts is to achieve EMC where no… More

Modern aircraft include numerous RF systems and associated antennas of diverse types. The designed performance of antennas is typically degraded by their installation on the airframe. Also, the presence of many RF systems in a small region creates enormous opportunity for undesired interference via… More

Rotorcraft are increasingly turning toward high-resolution Ka- through W-band radar sensors that can image terrain and obstructions but also see through the particulates that confound infrared and optical sensors, such as sand, ocean spray, and fog. As with any onboard sensor, designers must… More

Aircraft often are subject to externally generated electromagnetic interference (EMI) comprising high intensity radiated fields of strengths in excess of 1000 V/m generated by radars operating at 400 MHz and above. They also are subject to generally less intense fields produced by internal sources… More

Modern aircraft include numerous RF systems and associated antennas of diverse types. The designed performance of antennas is typically degraded by their installation on the airframe. Also, the presence of many RF systems in a small region creates enormous opportunity for undesired interference via… More

Delcross Technologies proposes to develop an automated measurement system (AMS) that will characterize the spectral profile of transmitters and receivers while minimizing manual labor. Modern RF systems can utilize thousands of channels, which makes a manual measurement system impractical for… More

Physics-based modeling and simulation tools for predicting electromagnetic interference (EMI) and vulnerability (EMV) between RF systems are playing an increasingly important role in system level performance predictions. In order to accurately capture all of the complexity associated with RF systems… More

Modern naval aircraft can be large in dimensions and may carry a large number of antennas. For many of these systems, the surface area of the platform is in the tens of thousands of square wavelengths. In this case, the use of full-wave solvers to assess the on-platform performance of an antenna or… More

The RCS of a ship is a key parameter for determining the range at which such ships can be detected and targeted by enemy forces. During the development of a new ship, the Navy spends a great deal of time studying the RCS for a wide variety of configurations. Navy engineers and analysts need to be… More

Delcross proposes to systematically validate the Savant and Savant-Hybrid solvers for a wide variety of problems. When shortcomings in existing methods are identified, they will be investigated and revised as necessary to provide good comparison with benchmark solutions. Our approach will first… More

Modern military and commercial aircraft include numerous RF systems and associated antennas. The designed freestanding performance of antennas is typically degraded by their platform installation. Also, the cositing of many RF systems in a small region creates enormous opportunity for inter-system… More

Modern naval aircraft can be large in dimensions and may carry a large number of antennas. For many of these systems, the surface area of the platform is in the tens of thousands of square wavelengths. In this case, the use of full-wave solvers to assess the on-platform performance of an antenna or… More

Delcross proposes to systematically validate the Savant and Savant-Hybrid ray tracing solvers for a wide variety of installed antenna configurations, including far-field patterns, near-field distributions, and antenna-to-antenna coupling. Reference benchmarks will be developed from full-wave… More

For manned and unmanned vehicles in current military operating environments, many adversary and civilian platforms exist that can be considered non-traditional, unconventional, or otherwise unaccounted for in the design of these vehicles. These unconventional and nontraditional aircraft, ship, and… More

Modeling and simulation tools fill a critical role in system integration by allowing engineers to predict potential EMI problems and explore solutions prior to fielding of the platform. While providing a powerful and necessary capability, the use of these simulation tools is often hindered by the… More

Modern marine radar systems can provide detection and tracking of various sizes of ships, and progress in signal processing has allowed for the detection of some smaller and faster targets, largely due to the wake generated by the boats movement through the water. However, detection of small boats… More

Understanding the installed performance of antennas and optimizing their placement on platforms is critical to achieving the expected operational performance of the RF systems they support. Installing antennas on aircraft degrades their performance relative to freestanding conditions in terms of… More