نتایج جستجو برای: in flight alignment
تعداد نتایج: 16995162 فیلتر نتایج به سال:
Background and aims: Aerodrome surface safety and in particular safety of flight environment around them are acknowledged globally as one of aviation's greatest challenges. Aeronautical industries development within recent decays and employment of innovated technologies and procedures, encountered with multiple risk that threating the aviation safety. The main purpose of this resear...
We explore the statistical behavior of the order statistics of the flights of One-sided Lévy Processes (OLPs). We begin with the study of the extreme flights of general OLPs, and then focus on the class of selfsimilar processes, investigating the following issues: (i) the inner hierarchy of the extreme flights for example: how big is the 7 largest flight relative to the 2 largest one?; and, (ii...
background: chondromalacia patella is the most common cause of mechanical knee pain in young women. q angle and knee alignment are important clinical parameters for biomechanics of the patellofemoral joint. objective: to identify the prevalence of knee malalignment and to find out if there is a correlation between knee mal alignment and q angle with age at onset of disease. methods: all patient...
Background: Distal femur wedge osteotomies for varus or valgus alignment of the lower extremity could be done in either uniplanar or biplanar fashion.Union time and stability of the osteotomy site has been considered important in this anatomic region. In this study, clinical and radiographic findings of biplane distal femur osteotomy were reported. Methods: Clinical, functional, and radiologic...
Background and Objectives: Menopause in women causes problems, including osteoporosis due to hormonal changes. Besides, osteoporosis in postmenopausal women may be associated with musculoskeletal disorders followed by changes in the alignment of the body, especially the spine. Therefore, this study aimed to compare the posture of osteopenic, osteoporotic, and healthy menopausal women. Material...
Fuzzy Adaptive Control of Unmanned Aerial Vehicle for Carrying Time-Varying Cargo on Predefined Path
At present, the use of unmanned aerial vehicles (UAVs) has been increased dramatically. The reasons for this development are cheapness, smallness, simplicity, and diversity of missions. The simplicity of guidance and control of multi-rotor drones is that they are equipped with an autopilot system. This system is responsible for flying control. UAVs do not have a high weight and often have three...
A time-of-flight mass spectrometer (TOF-MS) developed in our laboratory at Isfahan University of Technology is described here. The TOF-MS instrument uses laser as the ionization source which provides an opportunity to investigate the ions formed in laser ablation or desorption. The TOF-MS has an ionization chamber containing an accelerator and an ion lens to focus the ions into a one meter line...
A method of building communication equipment simulator aiming at the difficult problem of large equipment training is presented. Simulator is built based on virtual reality and its framework is designed to layered architecture and framework. Geometry model of equipment simulator is created with software named Multigen Creator. Its key technologies including geometry modeling, training environme...
This work presents a virtual flight simulator that allows a precise and smooth real-time experience on the “El Hierro” island (Canary Islands). Development tasks and results are presented that demonstrate the stages of the project with the major features developed within the work.
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