David L Sharpin

Title: David L. Sharpin: Innovator in Digital Signal Processing

Introduction

David L. Sharpin is a notable inventor based in Springfield, Ohio, with a focus on advancements in digital signal processing. He holds four patents that showcase his innovative contributions to the field. His work primarily revolves around hardware-efficient solutions for signal intercept applications and radar signal analysis.

Latest Patents

One of Sharpin's latest patents is titled "Hardware Efficient Digital Channelized Receiver." This invention documents a digital channelized receiver designed for signal intercept applications. It presents a hardware-efficient implementation of a uniform filter bank, where the number of filters, K, exceeds the decimation factor, M. By optimizing the filter bank frequency response in conjunction with K and M, the invention enables the implementation of simple channel arbitration logic. Additionally, it provides reliable instantaneous frequency measurements and parameter estimates across the desired frequency range while significantly reducing data processing speed requirements.

Another significant patent is "Spectral Estimation of Radar Time-of-Arrival Periodicities." This patent discloses a method for extracting the periodic properties, or Pulse Repetition Intervals (PRIs), of radar signals that have been time-tagged by an Electronic Warfare (EW) receiver. The PRIs are determined using a modified Discrete Fourier Transform (DFT). The invention outlines three methods to reduce the computational load involved in modifying the DFT equation, making it applicable to radar pulse trains that are interleaved in time.

Career Highlights

Throughout his career, David L. Sharpin has made substantial contributions to the field of digital signal processing. His work has been recognized and utilized by various organizations, including the United States of America as represented by the Secretary of the Air Force.

Collaborations

Sharpin has collaborated with notable professionals in his field, including James B. Tsui and Rudy L. Shaw. Their combined expertise has contributed to the advancement of technologies in signal processing.

Conclusion

David L. Sharpin's innovative work in digital signal processing has led to significant advancements in the field. His patents reflect a commitment to improving technology for signal intercept applications and radar analysis. His contributions continue to influence the industry and inspire future innovations.