... (direct transmission) The other important instrument installed in ALOS is the attitude and orbit control subsystem (AOCS) that acquires information on satellite attitude and location By utilizing this ... the satellite position, and the target The incident angle uses the same points in a different order: satellite position, target, and reverse of the direction to the center of the Earth Under the ... Therefore, the study of ground deformation of Southeast Asia has attracted great attention in recent years Synthetic aperture radar interferometry (InSAR) and differential interferometry (DInSAR) techniques...
Ngày tải lên: 13/10/2015, 15:55
PID ALGORITHM AND TUNNING METHODS
... offset with manual reset Offset can be eliminated by changing manual reset Proportional control different manual reset Adding automatic reset With proportional only control, the operator "resets ... controller) With the error set to zero (measurement input = setpoint), make a change in the input and note the immediate change in output The output will continue to change (it is integrating the ... Note the time it takes the output to, due to the integral action, repeat the initial change made by the gain action Some control vendors measure reset by repeat time in minutes This is the time...
Ngày tải lên: 22/01/2014, 08:26
... specifies the use of an optional encryption algorithm to provide confidentiality and the use of an optional authentication algorithm to provide authentication and integrity The NULL encryption algorithm ... set of test vectors to facilitate in the development of interoperable NULL implementations test_case = data = data_len = NULL_data = 0x123456789abcdef 0x123456789abcdef test_case = data = data_len ... rights in the contribution that are reasonably and personally known to the authors The authors not represent that they personally know of all potentially pertinent proprietary and intellectual...
Ngày tải lên: 14/02/2014, 16:20
Báo cáo khoa học: "Some Comments on Algorithm and Grammar in the Automatic Parsing of Natural Languages" ppt
... degree of context-sensitivity This in effect means that the simplicity claimed for a separate table of rules with a constant algorithm turns out to be illusory, since the proponents of this concept ... context-sensitivity This means that the most significant alterations in grammar rules from the standpoint of natural-language parsing will not be those that affect the formation of particular rules within the ... input can not be answered in the absolute, but only relatively That is, the question is not simply “Is it input?” but “What is it input to?” This means that the answer depends, at least in part,...
Ngày tải lên: 07/03/2014, 18:20
Algorithm and Networking for Computer Game docx
... collector’s test What is the length of sequence required to get a complete set of given integers? Permutation test Divide the sequence into groups of a given size How often different permutations ... pass the test and bad ones are likely to fail it Although it is an empirical test and requires computation, it resembles theoretical tests in the sense that it deals with the properties of the ... algorithms behind them Sometimes a game, such as NetHack , even gathers around ı a community that starts to tell stories of the things that synthetic players have done and to interpret them in...
Ngày tải lên: 08/03/2014, 09:20
Báo cáo khoa học: "Paragraph-, word-, and coherence-based approaches to sentence ranking: A comparison of algorithm and human performance" ppt
... informational structure of texts With informational structure, we mean the set of informational relations that hold between sentences in a text This set can be represented in a graph, where the ... (1996)) The tf.idf measure relates the frequency of words in a text piece, in the text, and in a collection of texts respectively The intuition behind tf.idf is to give more weight to sentences that ... the cluster Sentences can contain multiple clusters In order to compute the weight of a sentence, the weights of all clusters in that sentence are added The higher the weight of a sentence, the...
Ngày tải lên: 17/03/2014, 06:20
Báo cáo khoa học: "Sequential Labeling with Latent Variables: An Exact Inference Algorithm and Its Efficient Approximation" ppt
... generates the best latent paths in the order of their probabilities Then it maps each of these to its associated label paths and uses a method to compute their exact probabilities It can continue to ... distribution of latent conditional models on a NP-chunking task The horizontal line represents the n of top-n latent paths The vertical line represents the probability mass of the top-n latent paths ... experts The training set consists of 2,000 abstracts from MEDLINE; and the evaluation set consists of 404 abstracts from MEDLINE We divided the original training set into 1,800 abstracts for the training...
Ngày tải lên: 17/03/2014, 22:20
Báo cáo " A combination of the identification algorithm and the modal superposition method for feedback active control of incomplete measured systems " doc
... Original identification algorithm The original identification algorithm is developed in [1] Let T be the time duration of the action of external excitation Let all the components of state x (t) can ... structures, it requires knowledge of the entire state vector of the structure, which is not possible for large structures Thus, the aim of this paper is to combine the identification algorithm ... One of the basic tasks of active structural control problem is to determine a control strategy that uses the measured structural responses to calculate an appropriate control signal to send to the...
Ngày tải lên: 28/03/2014, 13:20
Báo cáo hóa học: " Research Article Novel VLSI Algorithm and Architecture with Good Quantization Properties for a " docx
... coefficients c(i) in the computing of the partial results stored in the ROMs that implement the multiplication with this coefficients Comparison The throughput of the VLSI architecture that can be obtained ... added with y1i and y2i to form the two results of each processing element The control tag tc appropriately select the input values that have to be apply to the biport ROM The sign of the input values ... computation of the product These bi-port ROMs are used to significantly reduce the hardware complexity of the proposed solution at about a half The two results of the product are one after the other...
Ngày tải lên: 21/06/2014, 07:20
Báo cáo hóa học: " Research Article Efficient Algorithm and Architecture of Critical-Band Transform for Low-Power Speech Applications" pdf
... implementation 4.1 The VLSI architecture of the critical-band transform It is observed that there is a symmetry property of the CBT coefficient kern in (10) The coefficient consists of a real part (the ... units in the array processor is four times that of the single-butterfly architecture Given the segments of 256-point speech samples at a sampling rate of 16 kHz, the single-butterfly FFT architecture ... constant-Q transform with a constant ratio of center frequency to frequency resolution (Q) It is known that the resolution Δ f of the DFT is equal to the sampling rate divided by the window size (the...
Ngày tải lên: 22/06/2014, 19:20
Báo cáo hóa học: " Ridge Distance Estimation in Fingerprint Images: Algorithm and Performance Evaluation" pot
... superior to that of the spectral analysis method (Tables and 3) The statistical method is in addition more efficient The statistical method shows better average performance on the total 30 images (Table ... Statistical window STATISTICAL METHOD A novel and efficient method, called the statistical method, is introduced to estimate ridge distance in fingerprint images in this paper This method took the ... Based on the above analysis of performance of the two methods, a hybrid method that uses the two methods synthetically is defined First, ridge distances are estimated with the statistical method For...
Ngày tải lên: 23/06/2014, 01:20
Báo cáo sinh học: " Gravitation field algorithm and its application in gene cluster" pot
... used to represent whether the dust d i is the centre dust or not: centre (di) is set to true if di is the centre dust; centre (di) is set to false otherwise There are many kinds of strategies of ... = Tf The number of dusts is m × n, so the computation complexity of GFA is the product of the number of dusts and the number of times of moving of surrounding dusts That is, the computation complexity ... traditional heuristic search algorithms can t The experiments of the benchmark functions demonstrate that The idea of GFA is derived from the modern widely accepted theory of planetary formation–...
Ngày tải lên: 12/08/2014, 17:20
Correct spatially varying image blur by projective motion richardson lucy algorithm and blur image alignment
... incorporates with state -of- the-art regularizations Currently the Projective Motion RL algorithm has several limitations The first limitation is inherent from Projective Motion Blur Model that the ... According to the definition of ℎ = Thus ℎ is computed as the N-th matrix root of is reduced to the estimation of 1≤ ≤ GAO LONG =∏ 2010 ℎ, ( 3-12) , and the estimation of series of ℎ , which can be estimated ... windows of PSF according to Note that the index of summation is different from that of the generation of predicted blurred image In fact ( 3-6 ) does not assume the PSF to be the same at each...
Ngày tải lên: 04/10/2015, 08:00
DSP algorithm and system design for UWB communication systems
... Channel attenuation of the k th multipath in the l th cluster αm Vector of channel attenuation τm Channel delay of the m th multipath component τ k ,l Channel delay of the k th multipath in the l th ... depends on the geometry of the environment, the location of the transceivers, the placement of the obstructive and non-obstructive objects, and the properties of materials used in construction In ... superposition of time shifted, amplitude scaled, polarization rotated and phase altered copies of the transmitted signal, and it is called multipath distorted The exact number of multipaths depends...
Ngày tải lên: 04/10/2015, 17:05
Báo cáo y học: " Derivation and preliminary validation of an administrative claims-based algorithm for the effectiveness of medications for rheumatoid arthritis"
... Results The characteristics of the VARA participants measured at the start of each treatment episode were evaluated Because the characteristics of VARA patients at the start of non-biologic DMARD treatment ... in the patient’s disease activity being attributable to the RA treatment started on the index date, and not a medication that was later substituted because the previous medication begun on the ... feel that the patient is getting at least some benefit with the drug, and that the clinical response is sufficiently adequate to continue It is also possible that quantitative disease activity...
Ngày tải lên: 25/10/2012, 10:45
Optimal placement of horizontal - and vertical - axis wind turbines in a wind farm for maximum power generation using a genetic algorithm
... be shown by the Betz’s theory that the turbine thrust coefficient CT is related to the axial induction factor a by the following relation: a = 1− − CT (3) The entrainment constant α is empirically ... equation (16) The calculation starts with a best objective function of approximately 473 and power output of about 1409 kW It jumps quickly to a higher value and stays unchanged for the rest of the ... Next, we study the effect on the optimization results by using a more complex but realistic wake model due to Werle [5] for both of the cases in Table by assuming that the cost/year of two turbines...
Ngày tải lên: 05/09/2013, 17:03
solutions to exercises and problems of Introduction of algorithm 3 (Bài giải sách Introduction of algorithm )
... integers The general idea is to go through the activities in order of start time, assigning each to any hall that is available at that time To this, move through the set of events consisting of ... (e.g., take the head of the free list) for the new element and put this new slot at the head of the list pointed to by the hashed-to slot (j ) If not, E is part of another slot’s chain Move it to ... activity i that started at si t but won t finish until fi > t) and halls that are free at time t (As in the activityselection problem in Section 16.1, we are assuming that activity time intervals...
Ngày tải lên: 02/11/2013, 08:12