In previous works, methods were explored for position estimation utilizing satellite-borne signals of opportunity, mainly the global positioning system (GPS). The GPS signal was exploited for use in a multistatic passive coherent location (PCL) system. The GPS signal is especially attractive for PCL applications because of the native capability to produce position and velocity estimation. This paper examines the signal specifications for PCL implementation and explores the potential limitations of the proposed solutions. GPS specific methods are developed for multistatic PCL velocity estimation in a three-dimensional plane. The method developed is combined with previously completed work of GPS PCL position estimation for a complete system design in range and Doppler. The PCL system is evaluated against conventional GPS position estimation and velocity estimation and proves to have comparable metrics of performance. Analysis and simulation are performed for verification and validation of the developed methods.

中文翻译：

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使用全球定位系统无源相干定位的多基地多普勒估计

在以前的工作中，探索了利用卫星传播的机会信号进行位置估计的方法，主要是全球定位系统 (GPS)。GPS 信号被用于多基地无源相干定位 (PCL) 系统。GPS 信号对 PCL 应用特别有吸引力，因为它具有产生位置和速度估计的本机能力。本文研究了 PCL 实现的信号规范，并探讨了所提议解决方案的潜在局限性。GPS 特定方法被开发用于三维平面中的多静态 PCL 速度估计。所开发的方法与之前完成的 GPS PCL 位置估计工作相结合，以实现距离和多普勒的完整系统设计。PCL 系统根据传统的 GPS 位置估计和速度估计进行评估，并证明具有可比的性能指标。执行分析和模拟以验证和验证开发的方法。