System Description

0568-EX-PL-2015 Text Documents

ImSAR LLC

2015-09-02ELS_166742

Company and Technology Background IMSAR LLC has technology that is able to track moving targets, image the surface of the earth, create digital elevation maps, assist in search and rescue operations, and detect small changes in a scene, such as the movement of a vehicle. Various branches of the US military, including the Navy, Army, and Air Force, as well as some commercial businesses, have expressed interest in this technology. The size, weight, power, and cost of IMSAR’s Synthetic Aperture Radar (SAR) system, known as NanoSAR, are an order of magnitude less than similar systems. IMSAR performs SAR tests from a small aircraft typically flying between 2,000 and 6,000 feet in altitude (above ground level). Directional transmit and receive antennas are nominally pointed toward the earth. Reflected signals are collected and processed to create images of the ground. Transmission is a linear frequency modulated (LFM) signal with the frequency being swept from the minimum to the maximum frequency 1000 times per second. Because the transmission power is relatively low and the frequency sweeps very rapid, the average power at a given frequency is extremely low (low duty cycle). The transmit signal is directed perpendicular to the direction of travel and towards the ground using a directional antenna. © 2013 IMSAR, LLC ∙ 940 South 2000 West, Suite 140 ∙ Springville, UT ∙ 84663 PH 801-798-8440 ∙ FAX 801-798-2814 ∙ www.imsar.com


Document Created: 2015-09-02 14:06:07
Document Modified: 2015-09-02 14:06:07
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