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    题名 作者 年代 出处 被引量
1Extraordinary photons with unusual angular momentum显示文摘A series of novel state-vector functions (SVFs), which is the general solution of the Schrdinger equa- tion for a photon, are constructed. Each set of these functions consists of a triplet of eigen-SVFs: The triplet can be broken down into a pair of nonzero l-order functions and a single zero-order function. The photons, described with a triplet of eigen-SVFs, possess all the quantum characteristics of a photon: In addition to common attributes like energy E = hω, and momentum pz = hκ, they also exhibit different angular momenta (AM) Lz+ = lh, Lz- = lh, and Lz0 = 0, where l≥1. In other words, in addition to usual ei- genvalues Lz±= ±h, there are unusual nonzero l-order eigenvalues Lz±= ±lh and a zero-order eigenvalue Lz0 = 0 for AM of a photon. By a series of SVFs, the pattern from nonzero l-order and zero-order La- guerre-Gaussian modes of a laser beam is explained well from a quantum mechanical point of view.YAO ZhiXin ZHONG JianWei MAO BangNing PAN BaiLiang 2009Science China(Physics,Mechanics & Astronomy)2009,52,2:2
2Lercanidipine hydrochloride versus felodipine sustained-release for mild-to-moderate hypertension: a multi-center, randomized clinical trial显示文摘Ying Wu Mengdan Xu Hao Wang Xin Xu Shuiping Zhao Mei Zhang Huigen Jin Jinchuan Yan Bangning Wang Jianbin Gong Xiang Lu Jianqiang Peng Qiuyan Dai 2014Current Medical Research & Opinion2014,,1:1
3Outage probability and power allocation for two-way DF relay networks with relay selection显示文摘Zhangjun Fan Daoxing Guo Bangning Zhang 2012Radioengineering2012,21,3:1
4Anti-Jamming Trajectory Design for UAV-Enabled Wireless Sensor Networks Using Communication Flight Corridor显示文摘This paper investigates the anti-jamming trajectory design to safeguard the effective data collection, where a unmanned aerial vehicle(UAV)is dispatched to collect data over multiple sensor nodes(SNs) in jamming environment. Under the limited power and transmission range of SNs, we aim to minimize the UAV’s flight energy consumption in a finite task period, by jointly optimizing SNs collection sequence and UAV flight trajectory. Firstly, we propose a general optimization framework which consists of path planning and trajectory optimization for the formulated non-convex problem. In the path planning phase, a dynamic programming(DP) algorithm is used to provide the initial path of the UAV, which is the shortest path to visit each SN. In the trajectory optimization phase, we introduce the concept of Communication Flight Corridor(CFC) to meet the non-convex constraints and apply a piecewise Bézier curve, based on Bernoulli polynomial, to represent the flight trajectory of the UAV, which can transform the optimization variables from infinite time variables to polynomial coefficients of finite order. Finally, we simulate the flight trajectory of UAV in hovering mode and continuous flight mode under different parameters, and the simulation results demonstrate the effectiveness of the proposed method.Binbin Wu Bangning Zhang Daoxing Guo Hongbin Wang Hao Jiang 2022China Communications2022,19,7:0
5Parameter Estimation of Multiple Frequency-Hopping Signals Based on Space-Time-Frequency Analysis by Atomic Norm Soft Thresholding with Missing Observations显示文摘In this paper,we address the problem of multiple frequency-hopping(FH)signal parameters estimation in the presence of random missing observations.A space-time matrix with random missing observations is acquired by a uniform linear array(ULA).We exploit the inherent incomplete data processing capability of atomic norm soft thresholding(AST)to analyze the space-time matrix and complete the accurate estimation of the hopping time and frequency of the received FH signals.The hopping time is obtained by the sudden changes of the spatial information,which is implemented as the boundary to divide the time domain signal so that each segment of the signal is a superposition of time-invariant multiple components.Then,the frequency of multiple signal components can be estimated precisely by AST within each segment.After obtaining the above two parameters of the hopping time and the frequency of signals,the direction of arrival(DOA)can be directly calculated by them,and the network sorting can be realized.Results of simulation show that the proposed method is superior to the existing technology.Even when a large portion of data observations is missing,as the number of array elements increases,the proposed method still achieves acceptable accuracy of multi-FH signal parameters estimation.Hongbin Wang Bangning Zhang Heng Wang Binbin Wu Daoxing Guo 2022China Communications2022,19,7:0
6Blockchain-Based MCS Detection Framework of Abnormal Spectrum Usage for Satellite Spectrum Sharing Scenario显示文摘In this paper, the problem of abnormal spectrum usage between satellite spectrum sharing systems is investigated to support multi-satellite spectrum coexistence. Given the cost of monitoring, the mobility of low-orbit satellites, and the directional nature of their signals, traditional monitoring methods are no longer suitable, especially in the case of multiple power level. Mobile crowdsensing(MCS), as a new technology, can make full use of idle resources to complete a variety of perceptual tasks. However, traditional MCS heavily relies on a centralized server and is vulnerable to single point of failure attacks. Therefore, we replace the original centralized server with a blockchain-based distributed service provider to enable its security. Therefore, in this work, we propose a blockchain-based MCS framework, in which we explain in detail how this framework can achieve abnormal frequency behavior monitoring in an inter-satellite spectrum sharing system. Then, under certain false alarm probability, we propose an abnormal spectrum detection algorithm based on mixed hypothesis test to maximize detection probability in single power level and multiple power level scenarios, respectively. Finally, a Bad out of Good(BooG) detector is proposed to ease the computational pressure on the blockchain nodes. Simulation results show the effectiveness of the proposed framework.Ning Yang Heng Wang Jingming Hu Bangning Zhang Daoxing Guo Yuan Liu 2024China Communications2024,21,2:0
7DSC study of cold and heat denaturation of β-lactoglobulin A with urea显示文摘IN the field of thermodynamics of protein solutions, there are two kinds of denaturation induced by temperature changes. One of them is the commonest heat denaturation induced by temperature increasing and accompanied by a heat absorption and an increase of enthalpy and entropy. The other is cold denaturation, predicted by Brandts over thirty years ago: the compact ordered structure of protein molecules in the native state is induced into aWANG Bangning and TAN FuInstitute of Chemistry, Chinese Academy of Sciences, Beijing 100080, China 1997Chinese Science Bulletin1997,42,2:0
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