نتایج جستجو برای: gpsins integrated navigation
تعداد نتایج: 323460 فیلتر نتایج به سال:
A high-precision image-aided inertial navigation system (INS) is proposed as an alternative to the carrier-phase-based differential Global Navigation Satellite Systems (CDGNSSs) when satellite-based navigation systems are unavailable. In this paper, the image/INS integrated algorithm is modeled by a tightly-coupled iterative extended Kalman filter (IEKF). Tightly-coupled integration ensures tha...
In order to enhance the accuracy of the relative velocity measurement for the Mars 13 explorer formation flight, we develop a relative velocity measurement method. In this method, the 14 spectrometers at two Mars explorers are adopted to measure the starlight frequency shift and to 15 estimate the velocity with respect to the star. Unfortunately, the instantaneous velocity of star can 16 not be...
Background and Aim: Information Architecture is an organizational meta-method that adopts a strategic approach to the specialized information of the organization using an integrated framework and enables the management of organizational resources by acquiring and upgrading new information technologies. Therefore, it is essential to be part of the current processes of the organization and the in...
Motivated by the key importance of multi-sensor information fusion algorithms in the state-of-the-art integrated navigation systems due to recent advancements in sensor technologies, telecommunication, and navigation systems, the paper proposes an improved and innovative fault-tolerant fusion framework. An integrated navigation system is considered consisting of four sensory sub-systems, i.e., ...
Aiming to provide navigational framework upcoming early lunar exploration missions by rovers, interests in robust and low-cost global satellite navigation systems (GNSS) around the Moon are growing more than ever before. In response, dual-satellite (LGNS) based on Multi-epoch Double-differenced Pseudorange Observation (MDPO) algorithm was proposed our earlier work. While MDPO-based LGNS can rea...
Radiofrequecy ablation is the most widely used local ablative therapy for both primary and metastatic liver tumours. However, it has limited application in the treatment of large tumours (tumours >3cm) and multicentric tumours. In recent years, many strategies have been developed to extend the application of radiofrequency ablation to large tumours. A promising approach is to take advantage of ...
Intermittent loss of the GPS signal is a common problem encountered in intelligent land navigation based on GPS integrated inertial systems. This issue emphasizes the need for an alternative technology that would ensure smooth and reliable inertial navigation during GPS outages. This paper presents the results of an effort where data from vision and inertial sensors are integrated. However, for...
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