Each month, NTB highlights tech briefs related to a particular area of technology in a special section called Technology Focus. Here are some of the technologies featured in the August issue focus on Data Acquisition.
Two Algorithms for Processing Electronic Nose Data
Kennedy Space Center has developed two algorithms for processing the digitized readings of electronic noses, as well as computer programs to implement them. Electronic noses are a means of identifying airborne compounds and measuring their concentrations. They consist of an array of sensors that respond to a variety of chemicals. The algorithms exploit the sensitivities of a given sensor to the vapors of the chemical, identifying a single vapor and its concentration. (Page 25)
General-Purpose Front End for Real-Time Data Processing
Scientists at NASA's Jet Propulsion Lab have written FRONTIER, a computer program that functions as the front end for artificial intelligence and conventional data processing software. FRONTIER acquires and pre-processes data and makes it available for anlaysis by the other software. Each component is programmable and executed in an embedded virtual machine, enabling it to be independent of the computing hardware on which it is used. (Page 26)