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The autocorrelation characteristic of Nakagami-m fading channel simulated by the original Inverse Method agree with the theoretical value poor because of the loss of phase information. An efficient method to improve the autocorrelation characteristic of the Inverse Method is presented adding the lost phase information of Rayleigh sequence during inverse transform process by symbol correction. Simulation...
Microstrip filters are widely used in microwave circuit, This paper briefly describes the design principle of microstrip bandstop filter (BSF). A compact wide band high rejection BSF is presented. This filter consists of two parts: defected ground structures filter (DGS) and spurline filter. Due to the inherently compact characteristics of the spurline and DGS, the proposed filter shows a better rejection...
Environmental factors have effects on the growth of the plants in greenhouse, so it is significant to research the changes of environmental factors in greenhouse. The dynamic mathematical model about temperature and humidity of this situation is analyzed in this paper. The changes of temperature and humidity in greenhouse are not the simple linear process but the complicated nonlinear process. The...
We present a virtual reality simulator to realize interventional radiology (IR) procedures remotely. The simulator contains two subsystems: one at the local site and the other at the remote site. At the local site, the interventional radiologist interacts with a three-dimensional (3-D) vascular model extracted from the patient's data and inserts IR devices through the Motion Tracking Box (MTB), which...
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