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A novel ellipse cavity-backed and slot-tuned bow-tie antenna was designed to facilitate the application of ultra-wide band (UWB) ground penetrating radar (GPR) in low frequency. Lumped resistor loading was applied at the end of antenna arms to broaden the impedance bandwidth. Taper tuned method was also used to optimize the current distribution. Antenna characteristic was analyzed by simulation. Finally,...
In this paper, a vital sign feature (V SF) detection and search strategy using multiple UWB life-detection-radars with different locations is proposed. Firstly, the different VSFs from all single UWB life-detection radars placed on multiple radar observation points are categorized. Then, the proposed detection strategy is used for the different VSF categories. Finally, the target's spatial location...
China's Mars probe including an orbiter and a landing rover will be launched by 2020. A subsurface penetrating radar (SPR) instrument has been selected to be a part of the payload on the rover. The main scientific objective of the SPR is to characterize the thickness and sub-layer distribution of the Martian soil. The SPR consists of two channels. The low frequency channel of the SPR will provide...
Lunar Regolith Penetrating Radar (LRPR) is a high resolution penetrating and imaging radar, which is a main payload onboard the detector of Chang'E-5. It is mounted on the bottom of the detector of Chang'E-5 and its main task is to survey the lunar regolith thickness and subsurface structure of landing domain. Because the detector is static, LRPR has to work only in stationary condition and is designed...
In this paper, according to the two design principles of uniform distribution and less element shadowing for effective aperture, a novel two-dimensional (2-D) sparse ultra-wideband (UWB) multiple-input-multiple-output (MIMO) antenna array topology is proposed for near-field high-resolution imaging. Compared with another different array having the same number of transceivers, the proposed optimal array...
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