Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 7 of 7 for “"vector sensors"”.
-
Evaluation of vector sensors for adaptive equalization in underwater acoustic communication
… time-varying nature of the ocean environment. Vector sensors are a proven technology that when utilizing their directional sensing capabilities allows us to minimize the effect of interfering noise sources. A traditional pressure sensor array has been the standard for years but suffers at …
-
Evaluation of vector sensors for adaptive equalization in underwater acoustic communication
… time-varying nature of the ocean environment. Vector sensors are a proven technology that when utilizing their directional sensing capabilities allows us to minimize the effect of interfering noise sources. A traditional pressure sensor array has been the standard for years but suffers at …
-
Synthesis Imaging with Vector Sensor Arrays
… thesis considers constructing the array out of vector sensor antennas. These advanced antennas consist of three orthogonal dipoles and three orthogonal loops with a common phase center. They are used for terrestrial applications such as geolocation, and their benefits include direction-finding …
-
Underwater communication via particle velocity channels : principles, channel models, and system design
A vector sensor is capable of measuring important non-scalar components of the acoustic field such as the particle velocity, which cannot be obtained by a single scalar pressure sensor. In the past few decades, extensive research has been conducted on the theory and design of vector sensors. On the …
-
Acoustic vector-sensor array performance
… hydrophones measure pressure only, but acoustic vector-sensors also measure particle velocity. Velocity measurements can increase array gain and resolve ambiguities, but make vector-sensor arrays more difficult to analyze. This thesis derives a new set of useful performance measures for acoustic …
-
Robust vector sensor array processing and performance analysis
Acoustic vector sensors, which measure scalar pressure along with particle motion (a vector quantity), feature many advantages over omnidirectional hydrophone sensors. A sizable literature exists on the theory of processing signals for many vector sensor array applications. In practice, however, …
-
Design and analysis of direction-of-arrival estimation systems using electrically small antenna arrays
… arrays enables similar functionality to larger sensors while maintaining a much smaller footprint. Using electrically small antenna elements causes some limitations for these arrays when compared with the vector-sensor case. This dissertation explores the tradeo ffs in performance available for …