Intelligent Adaptive Phased Array Radio Frequency Seeker Design for Enhanced Range and Robustness Against Environmental Disturbances in Tactical Missile Systems

In the evolving landscape of tactical missile guidance, the design of robust and high-performance radio frequency (RF) seekers is paramount. This paper presents an advanced adaptive phased array RF seeker system operating within the Ka-band (۲۶.۵-۴۰ GHz), integrating both antenna design and signal processing innovations to enhance target detection and tracking capabilities in contested electromagnetic environments. The antenna subsystem, an ۸×۸ microstrip patch phased array, is meticulously designed and optimized using CST Microwave Studio, achieving a peak gain of ۲۶ dBi, sidelobe suppression exceeding ۲۲ dB, and a half-power beamwidth under ۲.۸°, thereby providing superior spatial resolution and beam agility. Complementing the hardware, an Adaptive Kalman Filter-based signal processing framework is developed in MATLAB, enabling dynamic state estimation and real-time mitigation of noise, clutter, and sophisticated electronic countermeasures (ECM). Co-simulation of the antenna radiation patterns with the adaptive filtering algorithm under various jamming and noise scenarios demonstrates a substantial improvement in detection range by over ۱۸%, along with a ۱۲ dB enhancement in signal-to-interference-plus-noise ratio (SINR) compared to traditional non-adaptive seekers. The proposed integrated system exhibits marked improvements in tracking accuracy, robustness, and operational reliability, positioning it as a viable candidate for next-generation missile seeker applications.

کلیدواژه ها:

Radio Frequency (RF) Seeker ، Phased Array Antenna ، Adaptive Beamforming ، Adaptive Kalman Filter ، Electronic Countermeasure (ECM) ، Signal-to-Interference-plus-Noise Ratio (SINR) ، Ka-band ، Target Tracking ، Missile Guidance