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By adopting Sidelobe Canceller (SLC) technology to realize spatial adaptive filtering in radar, it can eliminate the jamming from the antenna sidelobe. However, radar suffers serious ground clutter when detecting the target in low-altitude. The spatial complexity of ground clutter reduces the performance of SLC and even makes it invalid. Due to the influence of ground clutter, the optimum weighs calculated...
We propose a linear precoding technique, called multiuser generalized eigenmode transmission (MGET), based on the leakage-based precoding technique. A signal-to-leakage-plus-noise (SLNR) precoding scheme is one approach for linear precoding in the multiple-input multiple-output broadcast channel that sends multiple data streams to different users in the same cell. Unfortunately, SLNR-based scheme...
We propose a linear precoding technique, called multiuser generalized eigenmode transmission (MGET), based on the leakage-based precoding technique. A signal-to-leakage-plus-noise (SLNR) precoding scheme is one approach for linear precoding in the multiple-input multiple-output broadcast channel that sends multiple data streams to different users in the same cell. Unfortunately, SLNR-based scheme...
High precision displacement measuring system is designed by using a capacitive displacement sensor, which carries on non-contact measurement in a certain machine tool spindle's thermal deformation. System's fundamental and data processing methods have been illustrated through the analysis of object's features. The factor of influenced sensor's measurement accuracy and stability is analyzed as well...
This paper presents a RF to DC conversion model for multi-stage rectifiers in UHF RFID transponders. An equation relating the RF power available from the antenna to the DC output voltage produced by a multi-stage rectifier is presented. The proposed model includes effects of the nonlinear forward voltage drop in diodes and impedance matching conditions of the antenna to rectifier interface. Fundamental...
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