Zainal Abidin

Developed and analyzed time domain algorithms for presence, distance, speed and level detection for Pulse Coherent Radar (PCR); Analyzed and optimized post-processing functions in Visual Studio, Python, C, Git and Gerrit for code review; Developed a dielectric constant estimation method for materials at 60GHz using a PCR sensor; Provided technical assistance to customers for integrating the PCR sensor, post-processing algorithms, microwave principles and lenses integration

Conducted amplitude analysis at different frequencies for Ground Penetrating Radar (GPR) System, along with S-parameter measurement using Vector Network Analyzer (VNA) and UWB Antenna; Designed and simulated an UWB antenna with S-parameter optimization using Ansys HFSS; Simulated amplitude and time-delay estimation of lysimeter effects on GPR implementation with LTspice; Gained familiarity with VHDL pre-designed code of the GPR system and its implementations on Xilinx board; Honored with a HITEC Fellowship

Team Leader of a direction finder system integration to locate active radar using Microcontroller, C, Software Defined Radio (SDR) USRP, LabVIEW, radar system components, and pre-designed Amplifiers; Designed and simulated splitters and filters with S-parameter optimization using Ansys HFSS, Altium Designer, Eagle; Verified and optimized the radar Tx-Rx power of system components (splitter, amplifier, filters) using a Spectrum Analyzer, Signal Generator, SDR USRP as well as S-parameter using VNA

Designed and built the architecture an FMCW system, including transmitter (Tx) and receiver (Rx) subsystem; Designed, simulated, and analyzed signal processing of an FMCW system using MATLAB, Python and ADS; Integrated FMCW systems with Direct Digital Synthesizers (DDS), Microcontroller, C, and pre-designed radar system components such as amplifiers, mixers and VCO; Hands-on experienced with Ansys HFSS, Altium Designer, Eagle, Spectrum Analyzer, Signal Generator, Oscilloscope, and VNA