US 12,474,485 B2
Method and circuit for frequency compensation, storage medium, and electronic device
Yibao Luo, Shenzhen (CN); Jingbo Wei, Shenzhen (CN); and Rong Jia, Shenzhen (CN)
Assigned to ZTE CORPORATION, Shenzhen (CN)
Appl. No. 18/022,348
Filed by ZTE Corporation, Shenzhen (CN)
PCT Filed Jun. 25, 2021, PCT No. PCT/CN2021/102499
§ 371(c)(1), (2) Date Feb. 21, 2023,
PCT Pub. No. WO2022/041998, PCT Pub. Date Mar. 3, 2022.
Claims priority of application No. 202010899383.6 (CN), filed on Aug. 31, 2020.
Prior Publication US 2024/0036215 A1, Feb. 1, 2024
Int. Cl. G01S 19/40 (2010.01); G01S 19/47 (2010.01); G01S 19/23 (2010.01); G01S 19/48 (2010.01)
CPC G01S 19/40 (2013.01) [G01S 19/47 (2013.01); G01S 19/235 (2013.01); G01S 19/48 (2013.01)] 20 Claims
OG exemplary drawing
 
11. A circuit for frequency compensation, comprising:
a speed sensor, configured to obtain speed information of a terminal device relative to the Earth, wherein the speed information comprises acceleration information and vector information, and the speed sensor is provided in the terminal device;
a main control chip control unit, configured to convert the speed information into a first acceleration value relative to a Global Positioning System (GPS) satellite; and
a variable capacitance control unit, configured to compensate a frequency of a crystal oscillator in the terminal device based on the first acceleration value and a second acceleration value, wherein the second acceleration value is an actual acceleration value of the GPS satellite measured by the terminal device.