Billy D Pettijohn

Title: The Innovative Mind of Billy D Pettijohn

Introduction

Billy D Pettijohn is a noteworthy inventor based in Mountain View, California, recognized for his contributions to the field of signal processing. With a portfolio that includes five patents, Pettijohn has carved out a niche in developing advanced estimation techniques suited for real-time applications. His innovative work has gained traction in various technological environments, particularly those constrained by computational resources.

Latest Patents

Among his latest inventions is a **Signal Estimator** that utilizes a Least Mean Squares (LMS) polynomial methodology. This estimator is capable of real-time polynomial estimation and evaluation of successive time derivatives of a function of a single variable, handling polynomial orders up to specification. A notable feature is its unique utilization of system memory, which allows for the evaluation of least squares normal equations with a low computational footprint. This innovation makes the estimator especially valuable for embedded systems where computational efficiency is vital.

Additionally, Pettijohn developed a method for **Harmonic Decimation of Real-Time Data for Unique Word Acquisition**. This invention outlines a non-transitory computer-readable medium, method, and system that processes a first data stream in a specified format along with its frames. By selecting sections based on harmonic patterns, the method enables the creation of a second data stream that optimizes frame alignment while reducing processing power requirements, making it highly applicable in resource-limited environments.

Career Highlights

Billy D Pettijohn has contributed significantly to his field through his work at notable organizations such as Lockheed Martin Corporation and the University of Nebraska. His experience with these esteemed institutions has allowed him to refine his skills and apply innovative solutions to complex engineering problems, particularly in defense and research environments.

Collaborations

Throughout his career, Pettijohn has collaborated with esteemed colleagues, including Khalid Sayood and Michael W Hoffman. These partnerships have fostered a rich exchange of ideas and have advanced the development of cutting-edge technologies in signal processing.

Conclusion

Billy D Pettijohn exemplifies the spirit of innovation, continuously pushing the boundaries of technology through his inventions. His patents not only demonstrate his engineering acumen but also highlight his commitment to creating practical solutions for modern technological challenges. As his work remains instrumental in shaping efficient processing methodologies, Pettijohn stands out as a key figure in the advancement of signal estimation technology.