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|Author(s):||James P. Randa; L. A. Terrell;|
|Title:||Noise-Temperature Measurement System for the WR-28 Band|
|Published:||August 01, 1997|
|Abstract:||The NIST Noise Project has constructed and tested a radiometer for the measurement of noise sources in the WR-28 waveguide band (26.5 GHz to 40 GHz). It is a total-power radiometer which incorporates a six-port reflectometer for the measurement of relevant reflection coefficients. The radiometer is similar in design to existing NIST systems covering the WR-62 (12.4 GHz to 18 GHz) and WR-42 (18 GHz to 26.5 GHz) bands. This paper reviews the theory and describes the design, testing, and operation of the system. Because of the similarities between the present system and the existing WR-62 and WR-42 systems, much of this document also applies to those systems.|
|Citation:||Technical Note (NIST TN) - 1395|
|Keywords:||noise,noise measurement,noise temperature,radiometer,thermal noise|
|Research Areas:||Electronics & Telecommunications, Microwave Measurement Services, Electromagnetics|
|PDF version:||Click here to retrieve PDF version of paper (2MB)|