Báo cáo hóa học: " A Robust on-Demand Path-Key Establishment Framework via Random Key Predistribution for Wireless Sensor " doc
Báo cáo hóa học: " A Robust on-Demand Path-Key Establishment Framework via Random Key Predistribution for Wireless Sensor " doc
... scheme, a ring of keys is randomly drawn from a large key pool andassigned to a sensor. Nodes sharing common keys can communicate securely using a shared key, while a path -key is established for ... 91304, Pages 1–10DOI 10.1155/WCN/2006/91304 A Robust on-Demand Path -Key Establishment Framework via Random Key Predistribution for Wireless Sensor NetworksGuanfeng Li,1Hui Ling,1Taieb Znati,1and ... KAIS: An International Jour-nal on Knowledge and Information Systems and a Member of theEditorial Board of IJBRA International Journal of BioinformaticsResearch and Applications. She is a...
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Báo cáo hóa học: " Research Article EDDK: Energy-Efficient Distributed Deterministic Key Management for Wireless Sensor Networks" pot
... tamper-proof hardware,damaged or disabled nodes may still have the initial key inthe flash memory. Therefore, should an adversary physicallycapture such a node and obtain the initial key, all the pairwisekeys ... each sensor node can derive a separate encryption key and a MAC key from the individual key [21]. This method can alsobe applied to enhance security in data transmission as wellas in key update. ... ofour earlier research [22–24]. EDDK mainly focuses on the establishment and maintenance of the pairwise keys as wellas the local cluster keys. Unlike centralized and location-based key management...
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Báo cáo hóa học: " A Robust Parametric Technique for Multipath Channel Estimation in the Uplink of a DS-CDMA System" pot
... diagonal elements of Rη.Hence, the MAI covariance matrix Rηcan be approximatedas a block diagonal matrix and the block that appears in itsmain diagonal is given by (A. 4).Notethatsuchanapprox-imation ... block diagonal matrix Rηcanbe avoided by using the approximation (A. 7)providedinthe appendix. Although this approximation has a significantcomputational advantage, it may limit the robustness ... MAI can be treated as a stochastic random pro-cess [16]. Specifically, MAI vector η can be modelled as a zeromean Gaussian vector with covariance matrix Rη= E[ηηH].Since the channel parameters...
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Báo cáo hóa học: " A Robust Capon Beamformer against Uncertainty of Nominal Steering Vector" pdf
... Gini A robust Capon beamformer (RCB) against the uncertainty of nominal array steering vector (ASV) is formulated in this paper. TheRCB, which can be categorized as diagonal loading approach, ... communica-tions, microphone array processing, radar, sonar and medicalimaging, and so forth. A well-studied adaptive beamformer, for example, the Capon beamformer [1], has high perfor-mance in interference ... co-variance matrix estimated using sample averaging methodasymptotically approaches the true one. In the case whereonly a small number of snapshots are available, the estimatederror in covariance matrix...
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Báo cáo hóa học: " A Robust Formant Extraction Algorithm Combining Spectral Peak Picking and Root Polishing" potx
... California, Santa Barbara,USA in 1987. From 1980 to 1983, he workedat the Central Research Laboratory of theGold Star (currently LG Electronics) in Korea. He has been a Mem-ber of the Faculty ... important features in speechsignals,and is used for many applications, such as speechrecognition, speech characterization, and synthesis. Previ-ous formant extraction methods can largely be classified ... spectral peakpicking, root extraction, and analysis-by-synthesis methods,which are the three large categories of formant extractionmethods as stated in Section 1. It is an established fact thatin...
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Báo cáo hóa học: " A systematic review of mobility instruments and their measurement properties for older acute medical patients" doc
... detail.Hierarchical Assessment of Balance and MobilityCharacteristicsThe HABAM was developed in the 1990's in Canada [26].The HABAM was developed to evaluate balance andmobility for ... greater than the MCID for the EMS and origi-nal HABAM but not for the PPME. This is a limitation ofthe EMS and HABAM as important change and measure-Table 5: Validity data for the PPMEAuthor ... EMS,HABAM and PPME contain items that are classified under'activity and participation' as measuring the domain of'mobility.' Each of these instruments has face and contentvalidity...
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báo cáo hóa học:" A Rasch and confirmatory factor analysis of the General Health Questionnaire (GHQ) - 12" docx
... were also available regarding treatment aims(curative 41%, palliative 36.5%, remission 10%, as well asuncertain, missing or not applicable 12.5%). Data regard-ing patient age was available for ... PCA contrast. A similar analysis ofthe Anxiety and Depression factor revealed that virtuallyall of the variance was accounted for by this factor (99%).Table 2: Item means, variance and distance ... lymphomas and haematologicalcancers 8%, lung 7%, and gynaecological 7%. In additionto malignant cancers a small number of patients (144/2934, 5%) had a diagnosis of non-malignant cancer.Details...
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Báo cáo hóa học: " A survey of classical methods and new trends in pansharpening of multispectral images" docx
... Ciencias de la Computación e I .A. , Universidad deGranada, 18071, Granada, SpainFull list of author information is available at the end of the articleAmro et al. EURASIP Journal on Advances ... 6b-f.Some authors [41,42] state that multisensor imagefusion is a trade-off between the spectral informationfrom an MS sensor and the spatial information from a PAN sensor and that wavelet transform ... spatial quality assessment. Pradhan etal.[97] suggested the use of structural information inSSIM measure between panchromatic and pansharpenedimages as a spatial quality measure. Lillo-Saavedra...
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Báo cáo hóa học: " A survey of performance enhancement of transmission control protocol (TCP) in wireless ad hoc networks" pptx
... NCTS message, the receiver initi-ates the three-way handshake mechanism CTS/DATA/ACK instead of the RTS/CTS/DATA/ACK handshakemechanism. In the CTS/DATA/ACK three-way hand-shake mechanism, ... for generatingan ACK for one cwnd to handle the problem of channelcontention and collision among Data and ACK packets.TCP dynamic adaptive ACK (TCP-DAA) strategyTCP-DAA [54] is another solution ... 7, which adds an extra datapacket (DATA2) to the norma l exchange procedure ofRTS/CTS/DATA/ACK, where DATA2 is a packet mov-ing in the opposite direction to that of packet DATA1.In addition,...
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Báo cáo hóa học: " A Sigma-Delta ADC with Decimation and Gain Control Function for a Bluetooth Receiver in 130 nm Digital CMOS" pdf
... signals for the FIR filter.without dramatically increasing unit capacitance. Based onbehavioral-level simulations, the minimum allowable c apac-itance value was chosen. Six-phase clock signals ... San Francisco, Calif, USA,February 2002.[4]J.Koh,K.Muhammad,B.Staszewski,G.Gomez,andB.Horoun, A sigma-delta ADC with a built-in anti-aliasing filter for Bluetooth receiver in 130nm digital ... Fellow and a Design Manager of the Nano-meter Analog Integration Branch in the Wireless Terminal BusinessUnit of Texas Instr uments. He has several papers and patents to hiscredit and his research...
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Từ khóa: Nghiên cứu sự biến đổi một số cytokin ở bệnh nhân xơ cứng bì hệ thốngBáo cáo quy trình mua hàng CT CP Công Nghệ NPVchuyên đề điện xoay chiều theo dạngMột số giải pháp nâng cao chất lượng streaming thích ứng video trên nền giao thức HTTPNghiên cứu tổ chức chạy tàu hàng cố định theo thời gian trên đường sắt việt namGiáo 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 carôtenôitQuản 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 ninhPhát hiện xâm nhập dựa trên thuật toán k meansThơ nôm tứ tuyệt trào phúng hồ xuân hươngChuong 2 nhận dạng rui roQuản lý nợ xấu tại Agribank chi nhánh huyện Phù Yên, tỉnh Sơn La (Luận văn thạc sĩ)Giáo án Sinh học 11 bài 15: Tiêu hóa ở động vậtGiáo án Sinh học 11 bài 15: Tiêu hóa ở động vậtGiáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtBÀI HOÀN CHỈNH TỔNG QUAN VỀ MẠNG XÃ HỘIHIỆU QUẢ CỦA MÔ HÌNH XỬ LÝ BÙN HOẠT TÍNH BẰNG KIỀMMÔN TRUYỀN THÔNG MARKETING TÍCH HỢP