Temperature measurement apparatus and method of measuring temperature

A temperature measurement apparatus comprising:

• an object measurement sensor configured to generate a measurement value;
• an ambient temperature sensor configured to generate an ambient temperature value;
• a processing resource configured to calculate a temperature for an object to be measured based upon a system of equations applying Stefan-Boltzmann's law, the measurement value for the object to be measured and the ambient temperature value;
• wherein
• the processing resource supports a first vector calculator configured to pre-calculate a first vector of a series of values proportional to received power based upon respective temperature values and in respect of a predetermined generic range of temperatures;
• and
• a second vector calculator is configured to pre-calculate a second vector of a series of sensitivity characteristic factor values based upon measured temperature values and in respect of a predetermined range of object measured temperatures;
• and
• the processing resource is configured to use the first vector and the second vector to generate a temporary vector of a series of values limited to the ambient temperature value to solve the system of equations in respect of the measurement value for the object, thereby determining a temperature for the object from the measurement value.

A sensor array comprising a temperature measurement apparatus, the temperature measurement apparatus comprising:

• an object measurement sensor configured to generate a measurement value;
• an ambient temperature sensor configured to generate an ambient temperature value;
• a processing resource configured to calculate a temperature for an object to be measured based upon a system of equations applying Stefan-Boltzmann's law, the measurement value for the object to be measured and the ambient temperature value;
• wherein
• the processing resource supports a first vector calculator configured to pre-calculate a first vector of a series of values proportional to received power based upon respective temperature values and in respect of a predetermined generic range of temperatures;
• and
• a second vector calculator is configured to pre-calculate a second vector of a series of sensitivity characteristic factor values based upon measured temperature values and in respect of a predetermined range of object measured temperatures;
• and
• the processing resource is configured to use the first vector and the second vector to generate a temporary vector of a series of values limited to the ambient temperature value to solve the system of equations in respect of the measurement value for the object, thereby determining a temperature for the object from the measurement value.