1986
DOI: 10.1109/tmtt.1986.1133326
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Calculation of Cutoff Wavenumbers for TE and TM Modes in Tubular Lines with Offset Center Conductor (Short Paper)

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Cited by 13 publications
(7 citation statements)
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“…The shape of the boundaries severely limits the possibility for analytical solutions of these problems. Various techniques [1–11] have been used in order to obtain numerical results.…”
Section: Introductionmentioning
confidence: 99%
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“…The shape of the boundaries severely limits the possibility for analytical solutions of these problems. Various techniques [1–11] have been used in order to obtain numerical results.…”
Section: Introductionmentioning
confidence: 99%
“…A point matching technique and the method of conformal transformation have been used in [2, 3], respectively, while in [4] conformal mapping of the cross‐section has been combined with the method of intermediate problems, in order to obtain a lower bound for the cutoff frequencies and the Rayleigh–Ritz method for the upper bound. In [5], the numerical technique previously used in [6] has been employed pointing out deficiencies in the existing formulae, whereas in [7] bilinear transformation expressed in terms of mutual inverse points has been applied. In [8], the polynomial approximation and quadratic functions have been used in the Rayleigh–Ritz procedure, whereas in [9] the eigenfrequencies are determined using a meshless numerical method.…”
Section: Introductionmentioning
confidence: 99%
“…2.2, παρουσιάζεται στην ενότητα 2.3. Στην ενότητα 2.4, για τον έλεγχο των αποτελεσμάτων, υπολογίζονται οι αναλυτικές εκφράσεις για τις οριακές τιμές h=0 και d=0 και συγκρίνονται με τις αντίστοιχες των [18], [19] και [20]. Τέλος στην ενότητα 2.5, παρουσιάζονται και σχολιάζονται τα αριθμητικά αποτελέσματα.…”
Section: Y/κunclassified
“…2.1 και 2.2) για: h=0, h=0 και d=0, h«l και d=0, αντίστοιχα. Η μελέτη των προαναφερόμενων προβλημάτων έχει πραγματοποιηθεί ανεξάρτητα στις εργασίες [18]- [20]. Η σύγκριση των εκφράσεων αυτών των εργασιών με τις αντίστοιχες αυτού του κεφαλαίου, όπως διαμορφώνονται για τις ειδικές τιμές των παραμέτρων h και d συνιστούν επίσης ένα έλεγχο της ορθότητας των τελευταίων.…”
Section: κυματοδήγηση Te ρυθμών (Ez=0)unclassified
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