Analysis of outboard cross‐eye jamming using an unmanned platform

Abstract

To address the problem and reduce the risk wherein a ship‐based cross‐eye jammer could set a protected ship as a target, an unmanned platform equipped with a jammer is proposed to be used. However, the jamming situation violates the original cross‐eye jamming conditions and introduces some new elements. In this regard, the impact of outboard cross‐eye jamming in the presence of ship echoes is derived in detail. The analysis shows that the outboard cross‐eye jamming combines the characteristics of outboard active and traditional cross‐eye jamming gains. It can reduce the standard cross‐eye jamming requirement of the jamming‐to‐signal ratio (JSR) and improve the jamming effect. The phase difference of a cross‐eye jammer can be controlled at 0° or 180° to obtain a larger angular positioning deviation based on the JSR requirement, thus providing a theoretical basis for applications of unmanned outboard cross‐eye jamming.