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Monopole and dipole antennas have been determined to radiate most efficiently when the size of the antenna is proportional to the frequency being transitted or received, ie.e, one-quarter, one-half or one wavelength. As the operating frequency is varied from that ideal frequency, nulls begin to develolp which threaten the integrity of the communication link. Experience has shown that small excusio ...

The contractor has patented technology for a unique process that directly converts a two-dimensional acoustic disturbance, such as a wave front, into an intensity-mapped visible image in real-time without electronic circuitry; i.e., it is a direct pressure gradient imager. This device can allow a small, battery powered acoustic source to be easily located and ranged using a small flashlight sized ...

The overall objective of the proposed research is to develop bistatic detection techniques for shallow water near land warfare operations. The focus of our proposed research is to achieve detection enhancement in environments characterized by dense multipath through application of optimal detection theory coupled with accurate acoustic modeling. The first specific objective is to consider alternat ...

The overall objective of the proposed research is to develop effective monostatic and bistatic adaptive processing techniques for shallow water Low Frequency Active (LFA) operationa. The focus of our proposed research is to achieve spatial reverberation cancellation for the complex shallow water environment using adaptive beamforming techniques. Our efforts will extend the favorable results we ach ...

SBIR Technical Topic N95-038, Advanced Automatic Test Systems (ATS) Resources, addresses DoD's Joint Service ATS initiative to achieve a high degree of commonality and automation in the specification, procurement, design and application of standard ATS components across all DoD services. Two thrusts are seen key to meeting this objective in a cost effective manner: 1) identification of a tailorabl ...

Significant savings in system life cycle costs can be realized when common Automated Test Systems (ATS) resources are used to meet both system production and field maintenance needs. Additional cost avoidance and quality gains are the result of transferring unit under test (UUT) design data, "lessons learned" gained during manufacturing in-process and system acceptance (sell-off) testing to the ma ...

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In this Phase I proposal to the Naval Surface Warfare Center, Computational Physics Incorporated proposes to provide proof of concept for a unique Maxwell solver. The numerical analysis technique discussed in this proposal combines two state-of-the-art proven techniques in a hybrid formulation. The first, is an entire domain Method of Moments (MOM) technique which greatly reduces the number of unk ...

The Radant Lens (TM) is a technique for implementing one-or two-dimensional electronic scanning at a lower cost than discrete element phased arrays. The Radant Lens (TM) configuration - parallel conducting plates with PIN switching diode controlled phase shift circuits - interacts directly with a plane wave to produce beam scanning, thereby eleminating the discrete components and connectors that a ...