Zhengjian Dai

Title: Zhengjian Dai: Innovator in Signal Distortion Pre-Correction Technologies

Introduction

Zhengjian Dai is a prominent inventor based in Shaanxi, China. He has made significant contributions to the field of communications, particularly in the area of signal distortion pre-correction. With a total of 5 patents to his name, Dai's work has advanced the technology used in signal processing and amplification.

Latest Patents

Dai's latest patents include a method, device, and system for signal distortion pre-correction. This invention discloses a device that comprises a signal distortion correction network module, a correction parameter trainer, a data collection module connected to an external power amplifier module, and a first conversion module. The data collection module is designed to perform time-division collection on output signals from the power amplifier module and output analog feedback signals to the first conversion module. The first conversion module converts these analog feedback signals into digital feedback signals. The correction parameter trainer determines a correction parameter based on the digital feedback signals and a forward signal inputted. The signal distortion correction network module then corrects the forward signal based on this correction parameter, ultimately outputting a pre-corrected signal.

Another notable patent involves a signal distortion pre-correction method, device, and non-volatile storage medium. This application relates to communications and provides a method for obtaining mutual coupling filtering parameters and a predistortion coefficient candidate set by training feedback signals collected from a multi-channel coupling element. This allows for mutual coupling filtering processing on the forward signal of the digital channel, ensuring that the selected predistortion coefficient considers the mutual coupling factor of the digital channel.

Career Highlights

Throughout his career, Zhengjian Dai has worked with notable companies such as ZTE Corporation and Xi'an Zhongxing New Software Co., Ltd. His experience in these organizations has contributed to his expertise in signal processing technologies.

Collaborations

Dai has collaborated with several professionals in his field, including Dongfang Ning and Zuofeng Zhang. These collaborations have likely enriched his research and development efforts.

Conclusion

Zhengjian Dai is a key figure in the innovation of signal distortion pre-correction technologies. His patents and career achievements reflect his dedication to advancing communication technologies.