hóa lateritization in soil environment
báo cáo hóa học: " SLAM algorithm applied to robotics assistance for navigation in unknown environments" pot
... associated to line features is maintained This secondary map stores the information concerning the beginning and ending points of each segment Due to the fact that lines of the environment are ... line, then their beginning and ending points are incorporated into the parallel map; if it is a corner, then its Cartesian coordinates are added) Auat Cheein et al Journal of NeuroEngineering ... the detected line, as shown in [14] The points measured by the sensor along a line, are determined by an iterative clustering algorithm The set of points that actually belong to a line are processed...
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Báo cáo hóa học: " CRLBs for WSNs localization in NLOS environment" ppt
... China, Chengdu, China 2School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore, Singapore Competing interests The authors declare that they have no competing ... localization in habitat monitoring, in IEEE International Conference on Acoustics, Speech, and Signal Processing April 20034:6-10, Ji X, Zha HY: Sensor positioning in wireless ad-hoc sensor networks using ... prior information on the locations of BDs can be obtained by substituting (26) Jxx Jxy + Q−1 into (5):J = T θ Jxy Jyy where Jxx, Jxy, and Jyy can be obtained from (17) Substituting (30) into ∂l/∂θk,...
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Báo cáo hóa học: " Research Article Automatic Detection and Recognition of Tonal Bird Sounds in Noisy Environments" pot
... obtained by using multi-condition training approach, that is, the models were trained using a set of noisy training data The training and testing data were obtained as follows For each bird syllable, ... between training and testing noisy conditions The proposed tonal-based features obtained recognition accuracy that is very close to the accuracy obtained when using the matched training and testing ... the information of interest in the signal Our aim is to investigate an employment of tonalbased features which are obtained using the spectral-level detection method presented in Section Since...
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Báo cáo hóa học: " Research Article Mean-Square Performance Analysis of the Family of Selective Partial Update NLMS and Affine Projection Adaptive Filter Algorithms in Nonstationary Environment" doc
... number of taps In all simulations, the simulated learning curves are obtained by ensemble averaging over 200 independent trials Also, the steady-state MSE is obtained by averaging over 500 steady-state ... size in nonstationary environment for different input signals EURASIP Journal on Advances in Signal Processing −22 −22 −23 Input: Guassian AR(1), ρ = 0.9 −24 (a) MSE (dB) MSE (dB) −20 (b) −26 Input: ... the step size in nonstationary environment for different input signals 8 EURASIP Journal on Advances in Signal Processing −25 15 Input: Guassian AR(1), ρ = 0.9 10 (a) (b) −27 −28 −29 Input: Guassian...
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báo cáo hóa học:" Overview of principles and implementations to deal with spatial issues in monitoring environmental effects of genetically modified organisms" pot
... methods within a GIS environment Data used for describing the receiving environment and for planning and evaluating monitoring schemes comprise information about land use, climate, phenology, soil coverage, ... susceptibility/sensitivity of nature reserves [NSG] in Germany as being part of the receiving environment that might be affected due to GMP cropping in their vicinity Within the joint research project ‘Recommendations ... coverage in a GIS environment for defining representative climatic regions Climatic regions together with an ecological land classification were used to stratify the receiving environment in order...
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báo cáo hóa học:" Landscape features and weather influence nest survival of a ground-nesting bird of conservation concern, the greater sage-grouse, in humanaltered environments" ppt
... precipitation during the nesting season was 19.4 cm in 2008 (Fales Rock, WY, USA; http://www.raws.dri edu/cgi-bin/rawMAIN.pl?wyWFAL), 12.0 cm in 2009, and 12.6 cm in 2010 Weather data during the nesting seasons ... remaining landscape variables using PROC CORR (SAS® 9.2; SAS Institute Inc.) and eliminated covariates for r ≥ 0.5; the variable providing the simplest biological interpretation was retained ... also retained the date of initiation of the incubation process (Julian date) and the nest age in the model (Table 2) The final landscape model thus included seven covariates, including the intercept...
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báo cáo hóa học:" Resource reservation for mobile hotspots in vehicular environments with cellular/WLAN interworking" ppt
... studies on interworking of complementary wireless technologies in an indoor (residential or business) environment such as offices, hotels, and airport terminals Nonetheless, there are ever-increasing ... interworking focus on a simple scenario with static WLAN deployment in an indoor environment such as offices, hotels, and airport terminals In addition to such slow-moving or static scenarios in ... or static scenarios in an indoor (residential or business) environment, there are ever-increasing demands for systematic deployment of moving networks in a vehicular environment such as public...
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Báo cáo hóa học: " Research Article Recognition of Faces in Unconstrained Environments: A Comparative Study" pptx
... in the acquisition point P12 Finally, l indicates if the image was taken in an indoor (l = i) or an outdoor (l = o) environment Figure 11 shows the 24 indoor images corresponding to a given individual ... database contains 30 individuals and includes images with natural variations in illumination (indoor and outdoor), scale, pose, and expressions Finally, we consider experiments using the FRGC ... per person, fully on-line (no training), robust behavior in unconstrained environments, and their performance in former studies The comparative study was carried out using three databases: FERET,...
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Báo cáo hóa học: " Research Article Range-Based Localization for UWB Sensor Networks in Realistic Environments" pdf
... [18] D B Jourdan, J J Deyst Jr., M Z Win, and N Roy, “Monte Carlo localization in dense multipath environments using UWB ranging,” in Proceedings of IEEE International Conference on Ultra-Wideband ... subgroups still include NLOS nodes In this case, the number of NLOS nodes is greater than one Then, the node having the highest probability of being an NLOS node is determined in the following way: ... R4) In this case, we also determine the node that has the highest probability of being an NLOS node within the corresponding subgroup as described above In contrast, here we the detection within...
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Báo cáo hóa học: " Research Article Penetration Loss Measurement and Modeling for HAP Mobile Systems in Urban Environment Jaroslav Holis and Pavel Pechac" pot
... Wireless Communications and Networking During the measurements, the airship was flying over a building in various directions in order to obtain results statistically independent on the azimuth angle ... loss into the ground floor of an office building (i) an office building, (ii) an office building with storeys higher than surrounding buildings, (iii) a brick building, (iv) a prefab residential building ... probability that the signal is incoming across more walls inside the building, and other propagation effects such as shadowing and diffraction on surrounding buildings affect the final signal level...
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Báo cáo hóa học: " Research Article 3D Game Content Distributed Adaptation in Heterogeneous Environments" ppt
... approximating best the original curve, the area between the original curve and the one reconstructed by linear interpolation must be minimised For instance, Figure 9(a), showing the movement during ... m frames remain, and generate a new BBA stream by encoding those m frames, indicating for each the number of intermediate frames to be obtained by linear interpolation on the terminal The advantage ... we have managed to integrate a chain of content coding, transmission and rendering technologies into a heterogeneous infrastructure and terminal set, demonstrating real-time interactive 4D content...
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Báo cáo hóa học: " Research Article A Method for Source-Microphone Range Estimation in Reverberant Environments Using Arrays of Unknown Geometry" ppt
... The recordings were split into segments of 8192 samples and windowed using a Hamming window The segment overlap was 50% In the case of the speech recordings, the signals were separated into eight ... (dashed line) bias/error in Q0,1,2 translates into an error in the corresponding range estimate To investigate this second effect of array geometry, we examine how a fixed bias, ξ, translates into ... the inadequacy inherent in characterizing the degree of reverberation in a room by specifying its RT60 alone Our results do, however, suggest an alternative metric The intercept of bestfit line...
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Báo cáo hóa học: " Research Article Postfiltering Using Multichannel Spectral Estimation in Multispeaker Environments" pot
... bin In the following section, we present another method for estimating the desired source PSD by using a joint diagonalization technique Hai Quang Dam et al 5.2 Spectral estimation using joint ... density (PSD) Evaluations using recordings from a real room environment show that the proposed beamformers offer good interference suppression levels whilst maintaining low distortion levels of ... received signal is decomposed into M subbands in the frequency domain by using an analysis filter bank [16] The filtering and processing are then performed for each frequency bin The observed signal x(ω,...
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Báo cáo hóa học: " Research Article Integrated Detection, Tracking, and Recognition of Faces with Omnivideo Array in Intelligent Environments" pot
... test sequences on single-frame and tracking-based settings DFFS bound Single-frame Indoor Tracking Single-frame Outdoor Tracking Single-frame Total Tracking Faces Detected F Pos Faces Detected ... of single-frame face recognition In addition to collective single points, the DMD rule also models the temporal sequence of the points by a Markov chain This explains the waving phenomenon in ... learning In this section, we experiment on learning a new subject for streaming face recognition in the intelligent environment Face detection does not need further learning once it is trained...
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Báo cáo hóa học: " Research Article Efficient Reduction of Access Latency through Object Correlations in Virtual Environments" pdf
... views into appropriate data format for later mining Second, the mining unit performs the mining tasks according to our mining algorithms After the completion of mining phase, the clustering unit ... and Information Engineering of National Chung Cheng University His current research interests include database, data mining, web mining, computer security, knowledge management, machine learning, ... Begin (4) Project corresponding subsequences into sub-databases under the intraview appending and interview appending (5) Mine each subdatabase corresponding to each projected subsequence (6) Find...
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Báo cáo hóa học: " Mutual Image-Based Authentication Framework with JPEG2000 in Wireless Environment" doc
... watermarking, or image scrambling to insert secret visual information into messages for server authentication Several visual login systems have been proposed in the literature, many implementing a ... pixels ordering or on the addition of some variations in the coding algorithm Lossless scrambling/descrambling is defined in [22], using a periodically shift variant (PSV) discrete system in order ... client’s pass-images in order to include them among the displayed pictures collection In order to minimize data transmission in all environments, the major part of data processing is performed on...
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Báo cáo hóa học: " Research Article Characteristics of MIMO-OFDM Channels in Indoor Environments" pdf
... certain inconsistencies in the case of LoS environments, which point to the need for further model development The effects of varying antenna element spacing are also investigated, taking into ... factor The spatial fading of a narrowband channel in indoor environments is often assumed to be Rayleigh distributed even in LoS link due to many scattering objects surrounding both Tx and Rx The ... average channel gain at 1.5wavelength spacing is larger than that at 2-wavelength spacing This indicates that more power was received with 1.5wavelength spacing, contributing to the gain in the MIMOOFDM...
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Báo cáo hóa học: " Research Article Polarization Behavior of Discrete Multipath and Diffuse Scattering in Urban Environments " pot
... angle of incidence in streets and under shadowing conditions The results underline the importance of modeling of evolving and transient propagation scenarios, which is currently not common in available ... measurement points are under OLOS condition The beginning and the end of this segment seem to follow a trend But, on an interval in the middle of this segment, strong single-bounce scattering occurs ... used In Figure 20, the estimated paths are plotted in the environment around the mentioned position The color of the rays indicate the XPRMS and h MS the line width indicates the strength in terms...
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Báo cáo hóa học: " A Visual Environment for Real-Time Image Processing in Hardware (VERTIPH)" pdf
... and outputting the processed result Pipelining is an important technique for exploiting the temporal parallelism inherent in stream data In stream processing, memory bandwidth constraints dictate ... using a stream processing model The aim is to make the implementation as efficient as possible, which we accomplish by coarse-gain pipelining (between operations), fine-grain pipelining (breaking ... of Engineering degree with first class honours in information and telecommunications engineering from Massey University His research focus has been in the area of implementing image processing algorithms...
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Báo cáo hóa học: " Particle Filter Design Using Importance Sampling for Acoustic Source Localisation and Tracking in Reverberant Environments" pot
... Contrary to the method consisting in combining the different observations in the representation of Yk , the IS technique hence offers a principled way of including these in a common framework, even ... sampling method are free parameters in the IS algorithm They can be determined in various ways, including setting them to constant values, as done in [14] Here, these probabilities are determined ... A Blake, “Nonlinear filtering for speaker tracking in noisy and reverberant environments,” in Proceedings of IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP ’01),...
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