Temperature measurement correction method, electronic system and method of generating correction regression coefficient table

An electronic system, comprising:

• a first temperature detection device, comprising:
• a case;
• and
• a focal plane array module, disposed on an inner of the case, comprising:
• a focal plane array comprising a plurality of infrared sensors for sensing infrared energy radiated from an object;
• and
• a readout circuit, for generating an electrical signal in response to the sensed infrared energy sensed by the infrared sensor of the focal plane array;
• a second temperature detection device, for measuring an ambient temperature, a temperature of the case and an operation temperature of the focal plane array module;
• and
• a processor circuit, for determining a plurality of radiometric regression coefficients according to the ambient temperature, the temperature of the case and the operation temperature of the focal plane array module and calculating an actual temperature value of the object according to the plurality of radiometric regression coefficients and the electrical signal.

A method of generating a correction regression coefficient table, for a temperature detection device, the temperature detection device comprising a case and a focal plane array module disposed on an inner of the case, the method comprising:

• in the same measurement environment, utilizing the temperature detection device to measure objects at different temperatures to generate a plurality of electronic signal;
• calculating radiometric regression coefficients corresponding to measurement environment according to the plurality of electronic signals and a black body radiation equation;
• and
• storing the radiometric regression coefficients corresponding to measurement environment, so as to establish a correction regression coefficient table.