Award Data

"A multi-channel transmit array is to be developed for high-speed digital communications and radar applications. Digital beamforming (DBF) will be combined with direct digital synthesis (DDS) waveform generation to achieve a system capable of using bothwaveform diversity and spatial diversity. Multiple simultaneous transmit beams will be generated that may be configured and scanned digitally. Usin ...

An X-band interferometric radar (XBIR) system employing digital beamforming (DBF) is proposed to supplement the S-band multi-mission radar (MMR) phased array currently under development by Syracuse Research. This auxiliary X-band array will bolt onto theapproximate 1.5 x 2.0 meter MMR array and provide a precision tracking capability for fire control. The two radars will operate cooperatively in v ...

An X-band digital transmit module will be developed that is suitable for phased-array radar and communications applications. This proposed Phase II SBIR will combine our Phase-I X-band transmit module design with a DBF receiver that Applied Radar is developing through separate (non-SBIR) funding from AFRL. In addition, we will investigate the development of a synthesizer to provide a common LO sig ...

This proposal will address the development of a wideband digital receiver and exciter (DREX) technology for next-generation scalable missile-defense radar. A DREX is currently being specified at the sub-array level to feed an analog tile or panel subarray in order to generate flexible waveforms and beams with improved performance. The technical challenge is to meet the required receiver sensitivit ...

Applied Radar, Inc. is developing the Single Channel Open Source Architecture (SCORE) digital receiver/exciter (DREX) card which represents a revolutionary step leap in SWAP-C reduction. The SCORE card is a 3U OpenVPX card which incorporates a single channel of waveform generation, RF Upconversion, RF Downconversion, and waveform capture and processing. Importantly, the design is scalable, and des ...

Next-generation ground-based BMD radar is anticipated to employ a scalable architecture with multiple low-cost transportable arrays employing hundreds of thousands of elements per array. Low-cost analog array panels are to be employed in the array, and wi

Next-generation ground-based BMD radar is anticipated to employ a scalable architecture with multiple low-cost transportable arrays employing hundreds of thousands of elements per array. Low-cost analog array panels are to be employed in the array, and will typically contain a digital receiver/exciter (DREX) behind a subarray group of typically 64 or 256 elements. The combination of element-level ...

Applied Radar has developed a multi-channel wideband digital receiver/exciter (DREX) module denoted as the Single Channel Open Architecture Receiver Exciter (SCORE-X750) which operates at X-band (tunable over 812 GHz) with 750 MHz of instantaneous bandwidth. This DREX module is designed for ground-based radars and can be used in new designs or in retrofit and modernization of existing radars. The ...

Phased-array radar employing wideband digital beamforming (DBF) offers the potential for detecting and tracking incoming cruise missiles while defeating electronic countermeasures such as chaff, jamming and anti-reflective coatings. A wide instantaneousradar bandwidth is essential for defeating these threats, resulting in improved range resolution and target signature. Digital beamforming may be u ...

Multi-channel array manifolds are required for wideband AESA applications. In modern solid-state AESA arrays, MMIC-based T/R modules generally utilize digitally-controlled phased shifters to steer the beam on transmit and receive. The given phase value is only accurate at one frequency, and so for wide bandwidths of several hundred MHz (at X-band for example), the beam does not get formed properly ...