. The Bell System technical journal . H. Fig. 2 — Degenerate TEui cylindrical cavity with ferrite sphere. [--L=Xg/2--|. H, Fig. 3 — Degenerate TEm cjlindrical cavity with ferrite disc. * R. A. Waldron (Institute of Electrical Engineers, Convention Oct. 29 to —♦ Nov. 2, on Ferrites, London, 1956) related the magnetic induction vector B in a MEASUREMENT OF DIELECTRIC AND MAGNETIC PROPERTIES 433 field //° and observing that the RF components of M and IT (denoted by lowercase letters) are related in a cylindrical coordinate system by 7 0 • 7 0 nir = Xmslr JkJ10 me = jKjir + -Kmshe Placing the smal
. The Bell System technical journal . H. Fig. 2 — Degenerate TEui cylindrical cavity with ferrite sphere. [--L=Xg/2--|. H, Fig. 3 — Degenerate TEm cjlindrical cavity with ferrite disc. * R. A. Waldron (Institute of Electrical Engineers, Convention Oct. 29 to —♦ Nov. 2, on Ferrites, London, 1956) related the magnetic induction vector B in a MEASUREMENT OF DIELECTRIC AND MAGNETIC PROPERTIES 433 field //° and observing that the RF components of M and IT (denoted by lowercase letters) are related in a cylindrical coordinate system by 7 0 • 7 0 nir = Xmslr JkJ10 me = jKjir + -Kmshe Placing the small ferrite sphere close to the endwall of the cavity (Fig. 2)and observing the splitting of the resonance into two frequencies co±(related to the positive and negative circularly polarized modes) and thetwo changes in 1/Q of the cavity after application of a static magneticfield in the axial direction leads to two measurable quantities Acoj. = ojd — coj. frequency shift A(l/Q)^ = l/Q± — l/Qo change in internal Q of the cavity where coo and Qo are resonance freciuency and Q of the empty can
Size: 1908px × 1310px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1920, booksubjecttechnology, bookyear1
