The Theory Of Analysis And Prediction Of Trajectories
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The Theory Of Analysis And Prediction Of Trajectories
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Author : Texas A & M University System. Department of Oceanography
language : en
Publisher:
Release Date : 1958
The Theory Of Analysis And Prediction Of Trajectories written by Texas A & M University System. Department of Oceanography and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1958 with Aerodynamics categories.
Trajectory Prediction Theory Of Supersonic High Fineness Ratio Cruciform Fin Bodies
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Author :
language : en
Publisher:
Release Date : 1980
Trajectory Prediction Theory Of Supersonic High Fineness Ratio Cruciform Fin Bodies written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with categories.
A complete Jump and Dispersion Theory is developed for free flight vehicles. Six-degree-of-freedom computer computations indicate that the theory accurately predicts the jump dispersion of flechettes. The initial conditions and dispersion values are established by range test firings. The raw data is fitted by least squares method and put into initial condition form. Initial conditions are applied to the theory and 6-D numerical computations to evaluate dispersion for eight test rounds. The results are compared to test firing target data. The agreement between the theory and test results indicate the data analysis and theory provide an accurate means of predicting dispersion of flechettes. Analysis of the firing data indicates that the initial conditions result from an impulse imparted to the flechette in the muzzle blast. The transverse impulse imparted to the flechette initially must be equal to the angular impulse to obtain zero dispersion. Other disturbances in the blast region such as sabot separation influence the initial conditions and hence dispersion. First maximum yaw theory is discussed and disproved.
First Compilation Of Papers On Trajectory Analysis And Guidance Theory
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Author : United States. Electronics Research Center, Cambridge, Mass. Guidance Laboratory
language : en
Publisher:
Release Date : 1967
First Compilation Of Papers On Trajectory Analysis And Guidance Theory written by United States. Electronics Research Center, Cambridge, Mass. Guidance Laboratory and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1967 with Guidance systems (Flight) categories.
First Compilation Of Papers On Trajectory Analysis And Guidance Theory
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Author :
language : en
Publisher:
Release Date : 1967
First Compilation Of Papers On Trajectory Analysis And Guidance Theory written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1967 with Astrodynamics categories.
Lagrangian Analysis And Prediction Of Coastal And Ocean Dynamics
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Author : Annalisa Griffa
language : en
Publisher: Cambridge University Press
Release Date : 2007-05-10
Lagrangian Analysis And Prediction Of Coastal And Ocean Dynamics written by Annalisa Griffa and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-05-10 with Science categories.
Written by a group of international experts in their field, this book is a review of Lagrangian observation, analysis and assimilation methods in physical and biological oceanography. This multidisciplinary text presents new results on nonlinear analysis of Lagrangian dynamics, the prediction of particle trajectories, and Lagrangian stochastic models. It includes historical information, up-to-date developments, and speculation on future developments in Lagrangian-based observations, analysis, and modeling of physical and biological systems. Containing contributions from experimentalists, theoreticians, and modelers in the fields of physical oceanography, marine biology, mathematics, and meteorology, this book will be of great interest to researchers and graduate students looking for both practical applications and information on the theory of transport and dispersion in physical systems, biological modeling, and data assimilation.
Multiple Aspect Analysis Of Semantic Trajectories
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Author : Konstantinos Tserpes
language : en
Publisher: Springer Nature
Release Date : 2020-01-01
Multiple Aspect Analysis Of Semantic Trajectories written by Konstantinos Tserpes and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-01-01 with Application software categories.
This open access book constitutes the refereed post-conference proceedings of the First International Workshop on Multiple-Aspect Analysis of Semantic Trajectories, MASTER 2019, held in conjunction with the 19th European Conference on Machine Learning and Knowledge Discovery in Databases, ECML PKDD 2019, in Würzburg, Germany, in September 2019. The 8 full papers presented were carefully reviewed and selected from 12 submissions. They represent an interesting mix of techniques to solve recurrent as well as new problems in the semantic trajectory domain, such as data representation models, data management systems, machine learning approaches for anomaly detection, and common pathways identification.
Two Topics In The Theory Of Optimal Trajectory Analysis
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Author : Gregor Harold Lawden
language : en
Publisher:
Release Date : 1966
Two Topics In The Theory Of Optimal Trajectory Analysis written by Gregor Harold Lawden and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1966 with Space trajectories categories.
Group Trajectory Analysis In Sport Videos
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Author : Shreenivasan Duraivelan
language : en
Publisher:
Release Date : 2021
Group Trajectory Analysis In Sport Videos written by Shreenivasan Duraivelan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021 with categories.
Trajectory Prediction is the problem of predicting the short-term and long-term spatialcoordinates of various agents such as cars, buses, pedestrians. In Trajectory Prediction we use themoment of an agent's past trajectories to predict action or course the agent is going to make in thefuture. It is difficult to predict trajectory of a player since various factors after the decision whicha player makes, leading to his next step. We propose a model which uses video input from asport, then extracting the data from the video to extract the players movement pattern from whichthe trajectory of the player is predicted through trajectory prediction Network. We implementobject detection and efficient tracking to extract the players position information from the dataset.Our model has a Mean Average Displacement (MAD) of 8.35.
U S Government Research Reports
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Author :
language : en
Publisher:
Release Date : 1964
U S Government Research Reports written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1964 with Science categories.
Contributions To Trajectory Analysis And Prediction
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Author : Al-Molegi Abdulrahman Qasem
language : en
Publisher:
Release Date : 2019
Contributions To Trajectory Analysis And Prediction written by Al-Molegi Abdulrahman Qasem and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019 with categories.
A causa de l'estreta relació entre la vida de les persones i determinades ubicacions geogràfiques, les dades històriques sobre trajectòries d'una persona contenen informació valuosa que es pot utilitzar per descobrir els seus estils de vida i hàbits. L'ús generalitzat de dispositius mòbils amb capacitat de localització ha impulsat la mineria de trajectòries (trajectory mining), la qual se centra en la manipulació, el processament i l'anàlisi de dades de trajectòries per facilitar l'extracció de coneixement a partir de l'històric de les trajectòries d'una persona. Basant-nos en aquesta anàlisi, fins i tot es pot arribar a predir quina serà la probable propera localització d'una persona. Amb aquestes tècniques, s'obre la porta a la millora dels actuals serveis basats en la ubicació i a l'aparició de nous models de negoci, basats en notificacions riques relacionades amb la predicció adequada de les futures ubicacions dels usuaris. Aquesta tesi tracta sobre la predicció de la ubicació i el descobriment de regions significatives a les zones de moviment de les persones. Proposa diversos models de predicció, basant-se en diferents tècniques d'aprenentatge automàtic (com ara les cadenes de Markov, les xarxes neuronals recurrents i les xarxes neuronals convolucionals), tot considerant diferents mètodes de representació d'entrada (embedding learning i one hot vector). A més, el model de predicció utilitza la attention technique (tècnica d'atenció), que té com a objectiu alinear els intervals de temps en les trajectòries de les persones que són rellevants per a una ubicació específica. La tesi també proposa un esquema de codificació temporal per capturar les característiques del comportament del moviment. Addicionalment, analitza l'impacte de l'aprenentatge de la representació espacial-temporal mitjançant l'avaluació de diferents arquitectures. Finalment, l'anàlisi de la trajectòria i la predicció de localització s'apliquen a la monitorització en temps real per a persones grans.