Báo cáo hóa học: "Research Article Target Localization by Resolving the Time Synchronization Problem in Bistatic Radar Systems" potx
Báo cáo hóa học: "Research Article Target Localization by Resolving the Time Synchronization Problem in Bistatic Radar Systems" potx
... hence this optionis discarded in estimating the signal processing gain. The final expression for the signal processing gain of the lag finder is obtained by the use of the earlier result asTs(n)n=n1,1Ts(n)n/=n≈ ... of interest, whichinclude the multipath bounces off various other targets and the ground. This is achieved by forming a space fast -time beam in the direction of the signal of interest, or in ... physically by both the transmitterand the receiver avoiding the need for synchronization. In bistatic configurations, the transmitter-related informationis delivered by a separate data link between the...
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Báo cáo hóa học: " Research Article Common Coupled Fixed Point Theorems for Contractive Mappings in Fuzzy Metric Spaces" potx
... and g ha ve a unique common fixed point in X.This completes the proof of the Theorem 1.Taking g I the identity mapping in Theorem 1, we get the following consequence.Corollary 1. Let X, ... Fixed Point Theory and Applications 11Then there exist x ∈ X such that x Fx, x,thatis,F admits a unique fixed point in X.Let φtkt,where0<k<1, the following by Lemma 1, we get the following.Corollary ... Point Theory and Applications 13Thus it is verified that the functions F, g, φ satisfy all the conditions of Theorem 1;x 2 − 2√3 is the common fixed point of F and g in X.AcknowledgmentThe...
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Báo cáo hóa học: "Research Article Securing Collaborative Spectrum Sensing against Untrustworthy Secondary Users in Cognitive Radio Networks" potx
... decision in terms of achieving performance gain when the cooperativeusers (10–20) face independent fading. For simplicity, in thispaper, we will use the hard decision combining algorithm in [7, ... Advances in Signal Processingindividually [13–15]. Optimized cooperative sensing is stud-ied in [16, 17]. When the channel that forwards sensingobservations experiences fading, the sensing performancedegrades ... rate when there are multipleattackers. This will be shown by the simulation results in Section 4. The problem of dishonest users in distributedspectrum sensing is discussed in [24]. The defense...
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Báo cáo hóa học: "Research Article Dynamic Subcarrier Allocation for Real-Time Traffic over Multiuser OFDM Systems" ppt
... corresponding edge eij. Thenfind the maximum matching m of G by the Hungarianalgorithm, and underline the entries in the weight matrix.(There are various ways to find the maximum matching.See, ... the following modified LWDF scheduling algorithm. In our algorithm, the system time is scaled in terms ofOFDM symbol time. The remaining time to the deadline of the HOL packet at queue k isrk=τk−wks, ... Sinceb is known by the supported modulation, we further scale the average transmission rate in terms of subcarriers, represented by Rk. Given the per-link Rk, the waiting time of the HOLpacket...
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Báo cáo hóa học: " Research Article A Diversity Guarantee and SNR Performance for Unitary Limited Feedback MIMO Systems" potx
... motivates the representation of the precoding matrix Fas a point on the complex Grassmann manifold which is in- troduced in the next subsection. In the following we outlinea strategy for the proof ... systems in Corollaries 1 and 2, respectively. These form the main re-sults in this section of the paper. Finally, a connection be-tween the covering radius characterization and the covering- by- complements ... vector y in (1) and the re-sulting Msdata streams (corresponding to Gy) are indepen-dently detected. The postprocessing SNR for the ith datastream after receiving ZF filtering is given by [30]SNR(ZF)i(F)...
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Báo cáo hóa học: "Research Article Probabilistic Localization and Tracking of Malicious Insiders Using Hyperbolic Position Bounding in Vehicular Networks" pot
... hold for finding anattacker invested in avoiding detection and eviction from the network.Some mechanisms for the localization of a vehiculardevice by other nodes are based on the principle of ... and assess the success in tracking it by measuring the distance between the actual and estimated positions, in addition to the differencebetween the approximated direction of travel and the realone.5.1. ... that the EIRP includes a power increase (oradecrease)ofΔP . Then for every Rk∈ R, the correspondingRSSkfor the new attack message reflects the same change in value from the original RSSk,forRSSk=...
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Báo cáo hóa học: "Research Article Self-Localization and Stream Field Based Partially Observable Moving Object Tracking" potx
... the weighting of the ith particle wik(line 20). Then, particles are resampledaccording to their weightings (line 22). In the observablecase, the stream sample set Sikincluding the object ... throughlearning the trajectories. Then the tracking accuracy isimproved by referencing the possible object paths generatedbased on the destination information [25]. In [26], anotherlearning based ... more information relatedto the target object (Figure 6). In [30], the integrated methodpredicts the object state by the particle filter, and the robotsmove toward the object based on the potential...
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Báo cáo hóa học: " Research Article Centroid Localization of Uncooperative Nodes in Wireless Networks Using a Relative Span Weighting Method" pot
... is described by Bulusu et al. [17] and localizes the transmitting source of a message to the (x, y) coordinatesobtained from averaging the coordinates of all receivingdevices within range. Weighted ... cited.Increasingly ubiquitous wireless technologies require novel localization techniques to pinpoint the position of an uncooperativenode, whether the target is a malicious device engaging in ... to target node. Their WCL scheme aims to improve localization accuracy by assigning greater weight to those points whichare estimated to be closer to the target and less weight to the farther...
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Báo cáo hóa học: "Research Article Cooperative Localization Bounds for Indoor Ultra-Wideband Wireless Sensor Networks" pdf
... canbe minimized by increasing node density. For instance,at 0.1 node/m2, the difference in localization performancebetween the buildings diminishes significantly. The impact of anchors on the localization ... address the behavior of UWB TOA-basedranging errors. In addition to ranging coverage, localization bounds in indoor multipath channels are further constrained by the statistics of ranging error. The ... 5.2. TOA-BASED RANGING IN INDOORMULTIPATH ENVIRONMENTS2.1. Ranging coverageOne of the major factors determining the quality of TOA-based ranging and localization in indoor environments is10...
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Báo cáo hóa học: " Research Article Embedded Localization and Communication System Designed for Intelligent Guided Transports" ppt
... estimate the fly time and decode the data frame. The working of the computing unit will now be de-scribed.5.3. The interrogator computing unitAs shown in Figure 7, the interrogator computing unit ... FPGA by constructing the burst to be sent. The coder component will modulates the C31 code stored in the EPROM and put it in “FIFO Data” and the 10 bits countertransfer the C1023 stored in the ... a peak in the correlation results with C1023, the value present in the “11 bits counter” is raised up. This value represents the flight time of the radar signal. Then the reception of the data...
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Từ khóa: Báo cáo thực tập tại nhà thuốc tại Thành phố Hồ Chí Minh năm 2018Nghiên cứu sự biến đổi một số cytokin ở bệnh nhân xơ cứng bì hệ thốngchuyên đề điện xoay chiều theo dạngNghiên cứu tổ chức pha chế, đánh giá chất lượng thuốc tiêm truyền trong điều kiện dã ngoạiđề 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 carôtenôitNGHIÊN CỨU CÔNG NGHỆ KẾT NỐI VÔ TUYẾN CỰ LY XA, CÔNG SUẤT THẤP LPWAN SLIDEPhát triển du lịch bền vững trên cơ sở bảo vệ môi trường tự nhiên vịnh hạ longSở hữu ruộng đất và kinh tế nông nghiệp châu ôn (lạng sơn) nửa đầu thế kỷ XIXChuong 2 nhận dạng rui roQuản lý nợ xấu tại Agribank chi nhánh huyện Phù Yên, tỉnh Sơn La (Luận văn thạc sĩ)Tăng 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)Tranh tụng tại phiên tòa hình sự sơ thẩm theo pháp luật tố tụng hình sự Việt Nam từ thực tiễn xét xử của các Tòa án quân sự Quân khu (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 vậtNguyên tắc phân hóa trách nhiệm hình sự đối với người dưới 18 tuổi phạm tội trong pháp luật hình sự Việt Nam (Luận văn thạc sĩ)Đổi 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