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公开(公告)号：US12034493B2
公开(公告)日：2024-07-09
申请号：US17490644
申请日：2021-09-30
Applicant: Arizona Board of Regents on behalf of Arizona State University , Texas Instruments Incorporated
Inventor： Muslum Emir Avci , Chethan Kumar Y. B. , Sule Ozev
CPC classification number: H04B17/19 , H04B17/0085 , H04B17/104 , H04B17/13 , H04B17/14
Abstract: Mismatch detection using periodic structures is provided. Embodiments described herein can measure and detect mismatch between two loads in a radio frequency (RF) system without the need for external calibration by referencing their measurements into a small set of parameters that are intrinsic to the RF system design. This approach can be used to compare impedances of two loads and measure their impedances relative to each other without requiring any external calibration (e.g., the approach does not assume any prior known physical quantities in the system, such as a reference impedance). This approach can be used to compare the two loads to each other, as well as to quantify the amount of mismatch between these loads by calculating reflection coefficient between the loads. Loads can be passive devices, such as antennas, or they can be active devices, such as amplifiers.
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2.发明授权公开(公告)号：US09853365B2
公开(公告)日：2017-12-26
申请号：US14704868
申请日：2015-05-05
Applicant: Texas Instruments Incorporated
Inventor： Chethan Kumar Y. B. , Saurabh Khanna , Vijay Rentala
CPC classification number: H01Q23/00 , G01S7/35 , G01S13/343 , G01S13/345
Abstract: A Frequency Modulated Continuous Wave (FMCW) radar system is provided that includes a chirp profile storage component configured to store a chirp profile for each chirp of a frame of chirps and a timing engine coupled to the chirp profile storage component to receive each chirp profile in transmission order during transmission of the frame of chirps, in which the timing engine uses each chirp profile to configure a corresponding chirp.
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