Linearisation Cold field emissions 1 Comparatives studies 1 Constrained total least squares 1 Energy 1 Errors 1 Field emission 1 Field emission currents 1 Linearization 1 Local current density 1 Local fields 1 Localisation 1 Matrix algebra 1 Mean square error 1 Measurement Noise 1 Modeling uncertainties 1 Newton-Raphson method 1 Optimization 1 Optimization problems 1 Physical properties 1 Primary sources 1 Received signal strength 1 Signal strength measurements 1 Source localization 1 Taylor's expansion 1 Transmit power 1 Uncertainty analysis 1 Wireless sensor networks 1