Non-ideal scattering centers exist commonly on radar targets. The scattering characteristics of them induce additional modulation or components to the micro-Doppler. Two typical kinds of non-ideal scattering centers a...
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ISBN:
(纸本)9781849196031
Non-ideal scattering centers exist commonly on radar targets. The scattering characteristics of them induce additional modulation or components to the micro-Doppler. Two typical kinds of non-ideal scattering centers are analyzed and micro- Doppler model of the scattering centers on the ring structure of precession targets are introduced as a detailed example. The experimental results demonstrate the model.
Parallel multi-circuit cable lines are wildly used to improve the transmission capacity of urban power grid, but the study on sequence impedance parameters' asymmetry of multi-circuit cable lines is not available....
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The Solid state Transformer (SST) is one of the key elements in Smart Grid. Building as many hardware and multiplying SST devices is expensive and time consuming in addition to a needed lab space and safety measures. ...
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A new scheme of communication channel reconstruction technology (CCRT) for wide-area protection (WAP) under extreme catastrophe scenarios is proposed for the purpose of safeguarding the safety and reliability of relay...
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The spatial uncertainties of atom force microscopy (AFM) tip position hinder the AFM based nano-manipulation. Although the landmark based tip localization can be applied to improve the tip position accuracy in the tas...
The spatial uncertainties of atom force microscopy (AFM) tip position hinder the AFM based nano-manipulation. Although the landmark based tip localization can be applied to improve the tip position accuracy in the task space, the PZT nonlinearity and system drift are still a challenge to compensation performance when the tip is positioned far from the landmark. Therefore this paper proposes an active landmark configuration. This method first estimates the nearby area called as the landmark domain around the target position, and then actively manipulates the landmark into the landmark domain by using virtual hand to improve the positioning accuracy. Simulation and experiment illustrate the validity of the proposed method.
Variation is one of the most important inherent characteristics of wind power. Very few common methods exist to quantify the variations. This presents difficulty for the security and efficiency operations of power sys...
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Scalar field mapping has many applications including environmental monitoring, search and rescue, etc. In such applications there is a need to achieve a certain level of confidence regarding the estimates at each loca...
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ISBN:
(纸本)9781479915132
Scalar field mapping has many applications including environmental monitoring, search and rescue, etc. In such applications there is a need to achieve a certain level of confidence regarding the estimates at each location. In this paper, a cooperative and active sensing framework is developed to enable scalar field mapping using multiple mobile sensor nodes. The cooperative and active controller is designed via the real-time feedback of the sensing performance to steer the mobile sensors to new locations in order to improve the sensing quality. During the movement of the mobile sensors, the measurements from each sensor node and its neighbors are taken and fused with the corresponding confidences using distributed consensus filters. As a result an online map of the scalar field is built with a certain level of confidence of the estimates. We conducted computer simulations to validate and evaluate our proposed algorithms
Purpose - The purpose of this paper is to present a novel and effective fabricating method of 3D ceramic photonic crystals with diamond structure. Design/methodology/approach - The reverse diamond-structure resin mold...
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