ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] The lock-in amplifier, also called a phase sensitive detector, phase lock detector or coherent detector, is a device designed to detect and measure electrical signals of known frequency that are buried in high amplitude background noise3. The detection is accomplished by two steps: noise which is ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/2281212a0