نتایج جستجو برای: گیرنده gps
تعداد نتایج: 37799 فیلتر نتایج به سال:
OBJECTIVE To examine the demographic changes in the cohort of general practitioners servicing residential aged-care facilities (RACFs) from 1984 to 2000. DESIGN Quantitative analysis of Medicare datasets from 1984 to 2000. PARTICIPANTS AND SETTING All GPs who provided Medicare-claimed RACF services from 1984 to 2000. MAIN OUTCOME MEASURES Aggregate data on RACF GPs by age group and sex; t...
OBJECTIVE To assess general practitioners' (GPs') information-seeking behaviour and perceived importance of sources of scientific medical information and to investigate associations with GP characteristics. DESIGN A national cross-sectional survey was distributed electronically in December 2013. SETTING Danish general practice. SUBJECTS A population of 3440 GPs (corresponding to approxima...
OBJECTIVE Personality disorders (PDs) often remain unrecognized in older adults by doctors in general practice. Therefore, this study evaluated the diagnostic accuracy of a screening instrument, the Gerontological Personality Disorder Scale (GPS), in a Dutch general-practice population of older adults. METHOD The psychometric properties of the GPS patient (GPS-pv) and informant (GPS-iv) versi...
Next generation GPS receivers will take advantage of Spatial processing from a Controlled Reception Pattern Antenna (CRPA) and Ultra-Tightly-Coupled (UTC) and Tightly–Coupled GPS/inertial signal processing to improve their robustness to interference and their performance in a multipath environment. This introduces the potential for failure modes to be introduced into the GPS solution from the S...
The ephemeris data format of legacy GPS receivers is improper for positioning stationary pseudolites on the ground. Therefore, to utilize pseudolites for navigation, GPS receivers must be modified so that they can handle the modified data formats of the pseudolites. Because of this problem, the practical use of pseudolites has so far been limited. This paper proposes a pseudolite-based position...
in this paper, we present the results of a hierarchical slam/gps/ins/wlfp sensor fusion to be used in navigation system devices. due to low quality of the inertial sensors, even a short-term gps failure can lower the integrated navigation performance significantly. in addition, in gps denied environments, most navigation systems need a separate assisting resource, in order to increase the avail...
با توجه به گسترش روزافزون استفاده از تکنیکهای تعیین موقعیت ماهوارهای خصوصاً gps لزوم تعیین دقیق ژئوئید باهدف جایگزینی اندازه گیریهای ترازیابی با اندازه گیریهای gps در کاربردهای ژئودتیک بر کسی پوشیده نیست. تقریب ژئوئید با استفاده از داده های gps/leveling به صورت محلی، در کنار مدل های موجود از قبیل مدلهای ژئوپتانسیل و یا ژئوئیدهای گراویمتری راهکاری پذیرفته شده است. اما سوال مهم سطح دقت قابل دسترس ...
در این گزارش با توجه به اینکه سیستم تعیین موقعیت جهانی gps به دلیل خطا های مختلف، ازلحاظ دقت در تعیین موقعیت مطلق آنی جوابگوی بسیاری از کاربرد ها نخواهد بود لذا باید یکسری تصحیحات به مشاهدات تعیین موقعیت آنی اعمال شود. به همین دلیل به بیان تأثیر خطا های مختلف و نحوه برخورد با این خطا ها بیان گردیده است، سپس اصول عملکرد سیستم dgps بیان شده است. هدف از ایجاد سیستم dgps بدست آوردن تصحیحات لازم برا...
Nowadays, GPS (Global Positioning System) has been widely used to position airplanes, ships, automobiles, migrating animals, and human beings, etc. However, GPS has its own limitations. Other than the user groups for whom GPS is operated, there is no service level agreement with anyone else. As more and more people become dependant on GPS in more and more countries, the political control of GPS...
Recent years have witnessed a growing proportion of female general practitioners (GPs) worldwide. Because female GPs tend to work fewer hours than male GPs, this continuing trend may accelerate the shortage of GPs. This paper investigates the gender di erence in the wage elasticity of Australian GPs by maximum likelihood estimation of labour supply and wage equations. Quantitative information r...
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