reference sensor
51Global Positioning System — GPS redirects here. For other uses, see GPS (disambiguation). Geodesy Fundamentals …
52MegaSquirt — is the registered trademark of an aftermarket electronic fuel injection (EFI) controller designed to be used with a wide range of spark ignition internal combustion engines (i.e., not diesel engines.) It is a complete standalone fuel injection… …
53Filmempfindlichkeit — Als Filmempfindlichkeit (engl. film speed) bezeichnet man die Lichtempfindlichkeit von fotografischen Platten und Filmen. Die Filmempfindlichkeit wird heute in ISO und teilweise zu Vergleichszwecken auch noch in DIN, ASA oder GOST angegeben;… …
54Flow measurement — is the quantification of bulk fluid movement. Flow can be measured in a variety of ways. Positive displacement flow meters acumulate a fixed volume of fluid and then count the number of times the volume is filled to measure flow. Other flow… …
55Attitude dynamics and control — The attitude of a body is its orientation as perceived in a certain frame of reference; providing a vector along which a spacecraft is pointing is a description of its attitude. Dynamics is the term for the modeling of changing conditions, due to …
56Optical resolution — This article is about optical resolution in optics. For the method of separating enantiomers in chemistry, see Chiral resolution. Optical resolution describes the ability of an imaging system to resolve detail in the object that is being imaged.… …
57Electro-optical MASINT — is a subdiscipline of Measurement and Signature Intelligence, (MASINT) and refers to intelligence gathering activities which bring together disparate elements that do not fit within the definitions of Signals Intelligence (SIGINT), Imagery… …
58Wave radar — Ocean surface waves can be measured by several radar remote sensing techniques. Several instruments based on a variety of different concepts and techniques are available to the user and these are all often called wave radars. This article (see… …
59Glossary of fuel cell terms — The Glossary of fuel cell terms lists the definitions of many terms used within the fuel cell industry. The terms in this glossary may be used by fuel cell industry associations, in education material and fuel cell codes and standards to name but …
60Difference between gauge and absolute pressure — The most common pressure reference is gauge pressure signified by a (g) after the pressure unit e.g. 30 psi g, which means that the pressure measured is the total pressure minus atmospheric pressure. There are two types of gauge reference… …
