Báo cáo sinh học: " Research Article Spectrally Efficient OFDMA Lattice Structure via Toroidal Waveforms on the Time-Frequency Plane" doc
Báo cáo hóa học: " Research Article Energy-Efficient Reservation-Based Medium Access Control Protocol for Wireless Sensor Networks" doc
... Journal on Wireless Communications and NetworkingConten-tionContention-freeBeaconUtilized slotSlot indication On- demand reservation:Fixed/dynamic reservation:Conten-tionContention-freeFigure ... (13). The duration of the wake-up tone (tTONE) i s determined according to the clock drift(ε), the rate of frame receptions containing synchronizationinformation, and the minimum tone duration ... Journal on Wireless Communications and NetworkingTable 3: Configurations used in the slot allocation methodsimulations.ConfigurationFixedallocations On- demandreservationsDynamicreservations On- demandnot...
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Báo cáo hóa học: " Research Article An Efficient Method for Proportional Differentiated Admission Control Implementation" potx
... find the sufficientcondition when the approximation is relevant. The proposedresult allows rejecting the previously used limited regime andconsiders the proportional differentiated admission controlunder ... experimentswith the proposed method. Section 5 is a brief conclusion.2. Problem StatementLet us consider the concept of admission control inspired in the framework of proportional differentiated ... mechanism. The rest of the paper is organized as follows. In the nextsection, we give the problem statement. In Section 3,wefirst present a nonasymptotic approximation of the ErlangB formula. We then...
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Báo cáo hóa học: " Research Article Computationally Efficient DOA and Polarization Estimation of Coherent Sources with Linear Electromagnetic Vector-Sensor Array" ppt
... Section 2formulates the mathematical data model of EmVS array.Section 3 develops the proposed EmVS-PM. Section 4presents the simulation results to verify the efficacy of the EmVS-PM. Section 5 concludes ... majorcomputational costs involved in the three algorithms are the calculation of the corresponding propagator and correlationmatrix, and the numbers of multiplications required by the EVSA-PM, the PSA-PM, ... 90◦. Others simulation conditions are the same asthat in Figure 4,exceptthattheSNRissetat35dB.Figure 5shows the histogram of the estimated elevation using the three methods based on 500 independent...
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Báo cáo hóa học: " Research Article An Efficient Algorithm for Instantaneous Frequency Estimation of Nonstationary " pot
... Section 4 presents the results of the multicomponent signal IF estimation using the proposed method, and then compares them with the resultsobtained with the ICI-based method. The conclusion is ... com-ponent classification procedure groups the components from the second stage of the algorithm based on the minimumdistance between any pair of components. If two componentsbelong to the same ... applications, seismology, machinecondition monitoring, radar, sonar, telecommunication,and many other applications are nonstationary [1]. Thosesignals can be categorized as either monocomponent...
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Báo cáo hóa học: " Research Article Some Shannon-McMillan Approximation Theorems for Markov Chain Field on the Generalized Bethe Tree" docx
... Xm,i⎤⎦. 1.6 The convergence of fnω in a sense L1convergence, convergence in probability, oralmost sure convergence is called the Shannon-McMillan theorem or the entropy theorem or the asymptotic ... equipartition property AEP in information theory. The Shannon-McMillantheorem on the Markov chain has been studied extensively see 2, 3. I n the recent ye ars,with the development of the information ... small-deviation theorems for the relative entropy densities of arbitrary random field on the generalized Bethe tree are discussed by comparing the arbitrary measure μ with the Markovmeasure μQ on the...
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Báo cáo hóa học: " Research Article An Unsupervised and Drift-Adaptive Spike Detection Algorithm Based on Hybrid Blind Beamforming" doc
... areextracted one by one using a technique called deflation [36].As such, one single waveform qjis estimated via secondorder statistics, the source sjis estimated via the convolutionof the corresponding ... to the other methodsis not that pronounced as on datasets containing severaldistinct waveforms. The results show, however, that HBBSDis robust to violations of the assumptions made in the ... used for spike detection on the drift and end data. The threshold was also keptconstant to the value obtained on the initialization databy the method described in Section 2.8 (this method isstill...
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báo cáo hóa học:" Research Article Unbounded Solutions of Second-Order Multipoint Boundary Value Problem on the Half-Line" potx
... moredetails the reader is referred to 5–10 and the references therein. The BVPs on the half-linearise naturally in the study of radial solutions of nonlinear elliptic equations and models ... v2∞.4.8So, A is indeed a contraction. The Banach contraction mapping principle yields the uniqueness of positive solution to BVP 1.1.5. ExamplesExample 5.1. Consider the following BVP:ut ... ∞.LianandGe16 only studied the solvability of BVP 1.2 by the Leray-Schauder continuation theorem. When ki 0, i 1, 2, ,n, and nonlinearity f isvariable separable, BVP 1.1 reduces to the second...
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Báo cáo hóa học: " Research Article Asymptotic Behavior of Solutions of Higher-Order Dynamic Equations on Time Scales" pptx
... exist, and they give rise to many applications see 2. Not only the new theory of the so-called “dynamic equations” unifies the theories of differential equationsand difference equations but also ... is defined on T × Rn.Wegivesufficient conditions under which every solution x ofthis equation satisfies one of the following conditions: 1 limt →∞xΔn−1t0; 2 there existconstants ai0 ... solution of the initial value problemyΔ pty,yt0 1.1.3In recent years, there has been much research activity concerning the oscillation andnonoscillation of solutions of...
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Báo cáo hóa học: "Research Article ISAR Imaging of Ship Target with Complex Motion Based on New Approach of Parameters Estimation for Polynomial Phase Signal" docx
... the parameters estimation of multicomponent CPS. The reason for Figure 2(b) showing one peak is that the amplitudes for the two components are different: one is 2 and the other is 1.5, which is ... based on the IHMPT is discussed in Section 4; the results for simulated and measured data are given inSection 5; Section 6 is the conclusion for the paper.2. Cubic Phase Signal Model for the Received ... islocated at the origin Oof the (u, v, w) coordinate, and the initial location of the rotating centre of the ship target O in the (u, v, w) coordinate is (u0, v0, w0). The direction for the axis...
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Báo cáo hóa học: " Research Article Location-Based Self-Adaptive Routing Algorithm for Wireless Sensor Networks in Home Automation" doc
... RzoneCountRepresents the total number of unsuccessful transmissionunder the condition of the corresponding RSuccessRecords the number of successfultransmission under the condition of the different ... location-aidedrouting (the smaller zone is named the “request zone” in thispaper). However, two problems remain to be overcome. The first is the definition and calculation of the request zone; the second is self-adaptation ... for the request zone based on Bayes’ theorem,which lets the nodes automatically adjust the radius of the Rzone by self-learning.To realize the automatic adjustment of the radius of the Rzone...
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Từ khóa: Nghiên cứu sự hình thành lớp bảo vệ và khả năng chống ăn mòn của thép bền thời tiết trong điều kiện khí hậu nhiệt đới việt namNghiên cứu vật liệu biến hóa (metamaterials) hấp thụ sóng điện tử ở vùng tần số THzđề thi thử THPTQG 2019 toán THPT chuyên thái bình lần 2 có lời giảiGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitNGHIÊN CỨU CÔNG NGHỆ KẾT NỐI VÔ TUYẾN CỰ LY XA, CÔNG SUẤT THẤP LPWAN SLIDEQuản lý hoạt động học tập của học sinh theo hướng phát triển kỹ năng học tập hợp tác tại các trường phổ thông dân tộc bán trú huyện ba chẽ, tỉnh quảng ninhPhối hợp giữa phòng văn hóa và thông tin với phòng giáo dục và đào tạo trong việc tuyên truyền, giáo dục, vận động xây dựng nông thôn mới huyện thanh thủy, tỉnh phú thọPhát hiện xâm nhập dựa trên thuật toán k meansĐịnh tội danh từ thực tiễn huyện Cần Giuộc, tỉnh Long An (Luận văn thạc sĩ)Kiểm sát việc giải quyết tố giác, tin báo về tội phạm và kiến nghị khởi tố theo pháp luật tố tụng hình sự Việt Nam từ thực tiễn tỉnh Bình Định (Luận văn thạc sĩ)BT Tieng anh 6 UNIT 2Tăng trưởng tín dụng hộ sản xuất nông nghiệp tại Ngân hàng Nông nghiệp và Phát triển nông thôn Việt Nam chi nhánh tỉnh Bắc Giang (Luận văn thạc sĩ)Giáo án Sinh học 11 bài 15: Tiêu hóa ở động vậtĐổi mới quản lý tài chính trong hoạt động khoa học xã hội trường hợp viện hàn lâm khoa học xã hội việt namHIỆU QUẢ CỦA MÔ HÌNH XỬ LÝ BÙN HOẠT TÍNH BẰNG KIỀMQUẢN LÝ VÀ TÁI CHẾ NHỰA Ở HOA KỲ