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Journal of Radio Electronics Online scientific journal · eISSN 1684-1719
2019, № 8 · ELECTRODYNAMICS

Parallel plate waveguide excitation by an array of lumped sources

S.E. Bankov1

1 Kotelnikov IRE RAS, Moscow, Russia
Full text (PDF) UDC 621.396.67 EDN PJHBZJ

Abstract

Boundary problem of parallel plate waveguide (PPW) excitation by an infinite array of metal strips with lumped sources is considered. The array operates in quasi-periodical regime. An effective analytical-numerical boundary problem solution and numerical algorithm on its base are proposed. Numerical results are discussed and compered with results obtained with help of High Frequency System Simulator (HFSS). Good agreement between HFSS numerical simulations and results of the proposed approach are demonstrated. It is shown that under some conditions array of lumped sources effectively excites PPW in ultra wide band (UWB) of operating frequencies.

  • плоский волновод
  • сосредоточенный источник
  • антенная решетка
  • квазипериодический режим
Аннотация (на русском)

Возбуждение плоского волновода бесконечной решеткой сосредоточенных источников

Решена задача о возбуждении плоского волновода бесконечной решеткой сосредоточенных источников. Решетка функционирует в квазипериодическом режиме. Предложено численно-аналитическое решение граничной задачи и эффективный численный алгоритм на его основе. Обсуждаются численные результаты и приводится их сравнение с результатами, полученными при помощи HFSS. Показано хорошее совпадение между данными полученными по приближенной модели и строгим решением граничной задачи. Показано, что при определенном выборе параметров структуры она может функционировать в сверхширокой полосе частот.

For citation

Bankov S.E. Parallel plate waveguide excitation by an array of lumped sources // Journal of Radio Electronics. – 2019. – No. 8.

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