Inspec keywords: least squares approximations; estimation theory; computational complexity; mean square error methods; measurement uncertainty; position measurement; sensors

Other keywords: MDS estimator; stationary emitter; computational complexity; time difference of arrival measurement; Cramer-Rao lower bound; two-step weighted least square approach; weighted multidimensional scaling estimator; mean square error approach; multidimensional scaling-based passive emitter localisation; sensor position estimation uncertainty

Subjects: Sensing and detecting devices; Numerical approximation and analysis; Interpolation and function approximation (numerical analysis); Probability theory, stochastic processes, and statistics; Spatial variables measurement; Spatial variables measurement; Sensing devices and transducers; Other topics in statistics