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    Measuring time of arrival of a signal
    247.
    发明授权
    Measuring time of arrival of a signal 有权

    公开(公告)号：US09726751B2

    公开(公告)日：2017-08-08

    申请号：US14399506

    申请日：2013-05-07

    Applicant: COMMONWEALTH SCIENTIFIC AND INDUSTRIAL RESEARCH ORGANISATION

    Inventor： Mark Hedley

    IPC: G01S5/06 ,  G01S5/02

    CPC classification number: G01S5/06 ,  G01S5/0215 ,  G01S5/0221 ,  G01S5/0278

    Abstract: This disclosure concerns estimating the location of a transmitter using multiple pairs of locator nodes with known locations and measuring time of arrival of a signal received from a transmitter. A processor of a location estimation node first determines time difference of arrival values from time of arrival values measured by each pair of locator nodes. The processor then determines likelihood information for multiple candidate locations of the transmitter and estimates the location of the transmitter from the likelihood information. A processor further determines an initial time of arrival value for the received signal and channel impulse response for a radio channel between the transmitter and receiver. The processor then determines a time correction from the channel impulse response based on a first peak of the channel impulse response and a leading edge of the first value. The processor finally determines an improved time of arrival value of the received signal.

    Compact desiccant cooling system
    250.
    发明授权
    Compact desiccant cooling system 有权

    公开(公告)号：US09696048B2

    公开(公告)日：2017-07-04

    申请号：US14649475

    申请日：2013-12-05

    Applicant: Commonwealth Scientific and Industrial Research Organisation

    Inventor： Mark Jared Goldsworthy ,  Stephen David White

    IPC: F24F3/14 ,  F24F5/00 ,  B01D53/26 ,  B01D53/06

    CPC classification number: F24F3/1423 ,  B01D53/06 ,  B01D53/261 ,  F24F5/0014 ,  F24F5/0035 ,  F24F2003/1464

    Abstract: A solid desiccant cooling system comprising a common intake delivering air (19) to a first pathway (21) for air to be conditioned, and a second pathway (31) for regeneration air and structure (24) retaining a mass of solid desiccant for cyclic movement between a first location (24a), in which the solid desiccant lies in the first pathway (21) for dehumidifying the air to be cooled by adsorption of moisture to the desiccant, and a second location (24b) in which the solid desiccant lies in the second pathway (31) for the regeneration air to take up moisture therein as water vapor. The second pathway has an air heater arrangement (35) upstream of the second location (24b) for heating the regeneration air and the first pathway (21) has an air cooler arrangement (25) independent of the air heater arrangement (35) downstream of the first location (24a). An air delivery device (40) is coupled to both of the first and second pathways (21, 31) and adapted or configured to deliver pressurized air along both the first and second pathways (21, 31). A control strategy is also provided to change the flow path of air from the common intake based on the need to satisfy alternative heating or cooling needs at different times of the day and season.

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