This letter proposes a reconfigurable scheme of wireless power transmission in fully enclosed environments. The proposed includes one transmitting element and multiple parasitic elements. Field distribution the environment is reconfigured by switching elements' termination between open short, with aim delivering efficiently to receiver whose location not fixed or known. Experimental results demonstrate that, via tuning nine elements at frequency 425 MHz, it possible achieve efficiency...

Abstract Automatic pavement crack detection is essential for fast and efficient maintenance health measurement. And image data the basis of detection. The existing collection methods have disadvantages such as high cost, easy loss frames, blurring, information. Therefore, a new method using target perspective transformation introduced. CRACK2000 dataset with multiple complex backgrounds constructed by this method. Also, multiscale fully convolutional network improving U‐Net, named...

A non-contact temperature measurement and recognition device based on OpenMV camera module MLX90614 is designed. used for identification initial measurement. The measured data can be compensated posted the LCD screen. Identity adopts multi-template storage, LBP value threshold comparison matching method, after multiple verifications, accuracy rate reaches 94%. Temperature Kalman filter algorithm to reduce instrument error. error range of object compensation closed 0.2 centigrade, body 1.7...

Abstract: Space control of natural resources is the basic tool for balancing relationship between ecological protection and economic development. Observing bottom line security pattern strictly great guiding significance to reconstruct new spatial with complete system surplus. Taking Qixia city, an mountainous intensive agricultural area in Jiaodong Peninsula, as a case study area, coupling process, integrating geographic information method model, this paper identified sources from aspects...

Beam-end fractures of steel frame building structures cause the degradation story stiffness, which may lead to tilt or collapse whole structure. However, it is difficult recognize this kind local damage using conventional detection methods. Generally, beam-end fracture can be recognized directly from pulse waveform generated by shock due fracture. Recently, with development technology image classification and objects detection, Convolutional Neural Networks (CNNs) have been proved as one...

In generation expansion planning, sustainable planning is gaining more and attention. Based on the comprehensive consideration of economics, technology, environment, other fields, this paper analyzes development power supply evaluation indicators builds a multi-objective decision model considering development. According to target variables in model, such as attribute are divided into different subsets, logical relationship analysis method between nodes obtained based Dynamic Bayesian network...

Studing the identification methods of sedimentary microfacies by implement self-organizing neural network model. Picking up geometrical characteristic parameters and image logging curves. Establishing relationship patterns well curves shapes parameters. Developing Sedimentary system applying it to 1000 wells southern area Daqing Changyuan, recognition rate can reach 90%, prove validity method.

In this paper, a new method is presented for the identification of machine tool component errors. Firstly, Non-Uniform Rational B-spline (NURBS) established to represent geometric The individual errors motion parts are measured by laser interferometer. Then, volumetric error with three modeled based on screw theory. Finally, simulations and experiments conducted confirm validity proposed method.

This paper presents a reverberation module for source-filter-based neural vocoders that improves the performance of reverberant effect modeling. uses output waveform as an input and produces by convolving with room impulse response (RIR). We propose two approaches to parameterizing estimating RIR. The first approach assumes global time-invariant (GTI) RIR directly learns values on training dataset. second utterance-level time-variant (UTV) RIR, which is invariant within one utterance but...

Abstract In order to improve the regulation ability of adjustable load resources, realize aggregation, sharing and “source-load-storage” resources in region, management ability, criteria methods for accessing operation system resource aggregators center are proposed according safety protection requirements power monitoring communication multi type aggregators. To meet security access multiple combined with different modes a network mechanism combining software hardware is proposed. Digital...

How to realize data transmission between Intranet and extranet devices in physical isolation is an important problem. QR code can be used identify text, image information, as a carrier of information exchange. In this paper, technology propose system the Internet under state based on visual recognition, which makes transmitted only through visible light, enhances confidentiality, meet daily office needs. At sending end, division transferred file completed multiple corresponding codes are...

Due to continuous expansion of the power system, conditions for system operation are becoming more and complex. In this paper, improved Monte-Carlo method is used evaluate reliability distribution so as solve problem that operating network complex, increase amount calculation low speed conventional method. By using equal dispersion sampling, average value multiple sub-interval states test functions calculated, which further improves utilization rate random numbers. evaluation based on...