Zixian Ma

Title: Innovations by Zixian Ma in Phased Array Calibration

Introduction

Zixian Ma, an accomplished inventor located in Zhoushan, China, has made significant contributions to the field of phased array calibration. With two patents to his credit, his work addresses critical challenges in calibration accuracy and measurement efficiency.

Latest Patents

Zixian Ma's latest patents include a groundbreaking method for phased array calibration based on CNN-LSTM utilizing power measurement. This method establishes a phased array calibration signal model that leverages a program to gather extensive data for training a neural network without actual measurements. The approach includes converting and pre-processing generated data into a training dataset that consists of feature data and labels. By creating a CNN-LSTM network and training it with input data, Zixian achieves a final calibration model that provides an efficient calibration process. This innovation significantly enhances calibration accuracy and reduces the number of measurements required, surpassing existing power measurement-based calibration methods.

Another patent focuses on fast automatic calibration of phased arrays using a residual neural network. This method sets a phase matrix and measures the amplitude and phase of the array far-field complex signal. By separating and normalizing the complex signal data, it is transformed into RGB three-channel image data. Datasets are created automatically through simulation software and then divided into training and test sets for the residual neural network. This calibration model allows for automatic estimation of amplitude-phase errors, optimizing the calibration process.

Career Highlights

Throughout his career, Zixian Ma has been part of esteemed organizations that have fostered his innovative approach. He has worked with Donghai Laboratory and Zhejiang University, where he has facilitated research and development in advanced calibration techniques.

Collaborations

Zixian has collaborated with notable coworkers, including Haotian Chen and Nayu Li, enhancing the breadth of expertise applied in his work. Their teamwork has played a crucial role in achieving significant advancements in phased array calibration technologies.

Conclusion

Zixian Ma's pioneering work in phased array calibration highlights the importance of innovation in addressing complex engineering challenges. Through his patents, he has introduced methods that not only improve efficiency but also redefine calibration accuracy standards in the industry. His contributions are expected to leave a lasting impact on technology and innovation in the field.