time difference of arrival positioning
Localization algorithms for asynchronous time difference of arrival positioning systems
... Due to the imperfect implementation of location sens- ing systems, lack of bandwidth, added thermal noise, multipath of the radio propagation channel, and the drift of the clocks, there are always errors associated with ...
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Indoor Positioning Using Acoustic Pseudo-Noise Based Time Difference of Arrival
... The Gold codes used for ranging determine the speed, range and noise immunity of the system. A longer Gold code results in a slower system, but extends the range and increases noise immunity. The Gold code generation ...
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Efficient Sound Source Localization based on Estimation using Time Difference of Arrival(For Blind)
... period difference of entrance (TDOA) or period stay estimation (TDE) or interaural period difference and intensity level difference or interaural level difference (ILD) methods ...2-D ...
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Robust Detection Method of Arrival Time Difference Under Minimum Maximum Entropy Criterion
... global positioning system, arrival time difference detection accurately is one of the core technologies ...on arrival time difference detection to consider ...adaptive ...
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Passive Localization Using Time Difference of Arrival and Frequency Difference of ArrivalWC
... With the development of space technology, high precision passive localization based on small satellite platform plays an important role in civil and military fields and has broad application prospects [1]. The ...
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RSSI Based Localization of Bluetooth Devices for Visually Impaired
... the positioning of devices. Time difference of arrival (TDOA), time of arrival (TOA) and received signal strength (RSS) have been widely used for the positioning but ...
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Localization Technique Based On Time Difference Of Arrival For Tracking Application In Wireless Sensor Networks
... Localization is one of the most prominent challenges in WSN. Since most of WSN applications depend on accurate location estimation, a straightforward solution is to equip each sensor with Global Positioning System ...
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A Systematic Design About Students’ Positioning Based on the Campus Wi Fi
... In the indoor environment, the coverage range of AP is generally within 100 meters. The velocity of radio waves is close to the speed of light. In such a short distance, the propagation time is very short and ...
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A Novel Positioning Technique with Low Complexity in Wireless LAN: Hardware implementation
... several positioning systems are available for outdoor localization, such as the global positioning system (GPS), assisted GPS (A-GPS), and other techniques working on cellular networks, for example, ...
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Hybrid Uplink Time Difference of Arrival and Assisted GPS Positioning Technique
... hybrid positioning system is merely one in which multiple systems are used for positioning ...Global Positioning System (GPS) as it is the only global positioning network ...GPS ...
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Arrival Time Difference Estimation of Ultrasonic Signals from Partial Discharge in Electric Power Equipments
... Partial discharge (PD), as a key feature of high-voltage electrical insulation aging, its immediate detection is of great significance for the safe operation of power systems [1]. Ultrasonic signals are generated during ...
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A Self Positioning Algorithm Based on Wireless Signal's Angle of Arrival and its Evaluation
... wireless positioning is widely ...as Time of Arrival (ToA), Time Difference of Arrival (TDoA), or Angle of Arrival ...require time synchronization and the ...
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Real-time nodes permit adaptive management of endangered species of fishes
... In response to the current extended drought conditions in California, state and federal agency regulators must balance the competing needs of endangered and threat- ened fish species for limited water resources with the ...
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Sensor Placement to Improve the Positioning Performance Based on Angle of Arrival (AOA)
... of positioning quality, the same sce- nario of Section 3 shown in Figure 1 is used with the difference that in this case 4 sensors are deployed in the lower ...
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A Survey of Recent Indoor Positioning Systems using Wireless Networks
... Infrared radiation (IR) positioning systems are one of the most common types of positioning systems that use wireless technology. Infrared signals are electromagnetic signals of a wavelength longer than ...
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TIME SYNCHRONIZATION FOR TIME OF ARRIVAL BASED LOCALIZATION
... common time scale for local clocks of nodes in the ...in time, hence observed durations of time intervals may different for each node in the ...of time synchronization for better localization ...
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Simulation of Emitter Location Algorithms
... but as the emitter E and the sensors lie on the same line, the signal is received by the sensor A later than the sensor B. In this case the hyperbola gets converged to a straight line. Consider the case where the emitter ...
6
How time flies: a prospective analysis of theatre efficiency during elective gynaecology lists
... theatre time being utilized for scheduled ...the time allocated for planned lists was actually used for ...theatre time leading to overrunning of lists ...
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Further Exposition of the Value of Reliability.
... of time; this appeals both to the context of scheduled public transport services, and implementation within Stated Preference and the Random Utility ...in arrival time that a risk-averse traveller ...
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Diving behavior of Cuvier's beaked whales inferred from three dimensional acoustic localization and tracking using a nested array of drifting hydrophone recorders
... the time from the first to the last pulse in what is interpreted to be a single foraging dive (often with multiple ...animals). Time since the previous dive ended is not calculated (n/c) for the first dive ...
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