نتایج جستجو برای: شبکه rtk

تعداد نتایج: 37584  

2014
Mohammad Hojjat-Farsangi

Chemotherapeutic and cytotoxic drugs are widely used in the treatment of cancer. In spite of the improvements in the life quality of patients, their effectiveness is compromised by several disadvantages. This represents a demand for developing new effective strategies with focusing on tumor cells and minimum side effects. Targeted cancer therapies and personalized medicine have been defined as ...

2016
Yong-Xu Jia Teng-Fei Li Dan-Dan Zhang Zong-Min Fan Hui-Jie Fan Jie Yan Li-Juan Chen Hong Tang Yan-Ru Qin Xing-Ya Li

Molecular-targeted therapy against tyrosine kinase receptors (RTKs) plays an important role in gastric cancer (GC) treatment. Understanding the correlation between RTK coexpression could better guide clinical drug use. In the present study, the coexpression status of c-MET, fibroblast growth factor receptor 2 (FGFR2), and human epidermal growth factor receptor 2 (HER2) in human GC and their cli...

2005
Xiaojing Li

Traditionally structural response due to severe conditions has been measured using accelerometers. However it is a relative acceleration measurement. The displacement from acceleration measurement cannot be obtained directly by simply applying the laws of motion through double integration. GPS-RTK offers direct displacement measurements for dynamic monitoring, but it has its own limitations. Th...

Journal: :Current Biology 2002
Margaret Rohrbaugh Edward Ramos Duc Nguyen Mitch Price Yu Wen Zhi-Chun Lai

Receptor tyrosine kinase (RTK) signaling plays an instructive role in cell fate decisions, whereas Notch signaling is often involved in restricting cellular competence for differentiation. Genetic interactions between these two evolutionarily conserved pathways have been extensively documented. The underlying molecular mechanisms, however, are not well understood. Here, we show that Yan, an Ets...

Journal: :Agriculture 2023

Unmanned aerial vehicles (UAVs) equipped with a global real-time kinematic navigation satellite system (GNSS RTK) could be state-of-the-art solution to measuring gaps in sugarcane fields and enable site-specific management. Recent studies recommend the use of UAVs map these gaps. However, low-accuracy GNSS provides incomplete or inaccurate photogrammetric reconstructions, which easily generate ...

Journal: :Journal of Navigation 2023

Abstract Thanks to the development of real-time kinematic (RTK) algorithm and emerging Global Navigation Satellite System (GNSS), especially for Galileo BeiDou-3, reliable positioning accuracy medium long-baseline RTK became possible globally. Moreover, with GNSS receiver hardware, baseline length limitations due radio-based communications are removed thanks internet-based communication. In thi...

Journal: :IEEE Transactions on Instrumentation and Measurement 2021

High-precision global navigation satellite system (GNSS) is a crucial geolocalization feature enabling wide range of applications, from mobile Internet-of-Things devices to autonomous drones and self-driving vehicles. Real-time kinematic (RTK) GNSS technology that attracting increased interest due the centimeter precision achievable when wireless communication present on devices. On other hand,...

Journal: : 2022

Topografyanın engebeli ve ulaşılması zor olduğu alanlarda yersel ölçüm teknikleri ile yapmadaki güçlükler nedeniyle uzaktan algılama kullanımını bu tür durumlarda vazgeçilmez kılmaktadır. Gerçek zamanlı kinematik (Real Time Kinematic-RTK) tekniği konumsal verilerin doğruluğunda santimetre hassasiyetinde çalışmalar ortaya konulabilmektedir. Ancak topoğrafik yapısı, uydu bazlı konumlamaya uygun o...

Journal: :Remote Sensing 2021

As the modern navigation business evolves, demands for high-precision positioning in GNSS-challenged environments increase, and integrated system composed of Global Navigation Satellite System (GNSS)-based Real-Time Kinematic (RTK), inertial (INS), Light Detection Ranging (LiDAR), etc., is accepted as most feasible solution to issue. For prior-map-free situations, only sensor with a global fram...

ژورنال: دریا فنون 2019

امروزه یکی از چالش‌های اصلی در حوزه دریایی، کنترل و پایش بنادر در شرایط آب و هوایی متفاوت می‌باشد که برای این منظور از قایق ربات‌های خودران استفاده می‌شود. در این تحقیق، که بخشی از پروژه قایق ربات مروارید می‌باشد، از سیستم بینایی استریو بمنظور تشخیص، مکان‌یابی و ردیابی زمان-واقع اشیا استاتیک و دینامیک در قایق ربات خودران مروارید استفاده شد. بمنظور ارزیابی الگوریتم ارائه شده، دو سری آزمایش طراحی...

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