Company Filing History:
Years Active: 2009
Title: Yinghao Tu - Innovator in Frequency Drift Compensation Technology
Introduction
Yinghao Tu is a notable inventor based in Shanghai, China. He has made significant contributions to the field of technology, particularly in the area of frequency drift compensation. His innovative approach addresses challenges faced in navigation systems, enhancing their accuracy and reliability.
Latest Patents
Yinghao Tu holds a patent for "Methods and systems for temperature related frequency drift compensation." This invention provides systems and methods that compensate for frequency drift due to temperature variation without the need for a temperature sensor. In one embodiment, a navigation receiver with an integrated communication device receives a base station reference signal, which is used to periodically calibrate a local oscillator frequency. The calibrated local oscillator frequency drives a counter that is used to provide code phase estimation at the start of satellite signal acquisition. This technology improves the accuracy of code phase estimation by using calibrated local frequency to drive counters at different calibration rates, determining compensation for frequency drift based on predicted patterns.
Career Highlights
Yinghao Tu is associated with Sirf Technology, Inc., where he has been instrumental in developing advanced navigation technologies. His work has led to improved performance in satellite signal acquisition and overall navigation accuracy.
Collaborations
Yinghao Tu has collaborated with notable colleagues such as Chi-Shin Wang and Zhike Jia. Their combined expertise has contributed to the advancement of innovative solutions in the field of navigation technology.
Conclusion
Yinghao Tu's contributions to frequency drift compensation technology exemplify his innovative spirit and dedication to enhancing navigation systems. His work continues to influence the industry, paving the way for more accurate and reliable technologies.