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A rectangular te based on h-t joint power division network 10 mode - circular waveguide te 21 Mode Converter

A rectangular waveguide and mode conversion technology, which is applied to waveguide devices, circuits, electrical components, etc., can solve problems that are not conducive to two-dimensional processing, unfavorable application system integration, complex structure of mode converters, etc., and achieve the effect of compact structure

Active Publication Date: 2021-06-25
SHENZHEN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The structure of the mode converter is relatively complicated, and the center of the input port and the center of the output port are not in the same axis, which is not conducive to two-dimensional processing and the integration of application systems

Method used

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  • A rectangular te based on h-t joint power division network <sub>10</sub> mode - circular waveguide te <sub>21</sub> Mode Converter
  • A rectangular te based on h-t joint power division network <sub>10</sub> mode - circular waveguide te <sub>21</sub> Mode Converter
  • A rectangular te based on h-t joint power division network <sub>10</sub> mode - circular waveguide te <sub>21</sub> Mode Converter

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Embodiment Construction

[0021] The present invention will be further described below in conjunction with embodiment. It should be noted that if the term indicates the orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship that is usually placed when the product of the invention is used, it is only for the convenience of describing the present invention and simplifying the Describes, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and operate in a specific orientation, and therefore should not be construed as limiting the invention.

[0022] In addition, the terms "first", "second", "third" and so on are only used for distinguishing descriptions, and should not be understood as indicating or implying relative importance.

[0023] In the description of the present invention, it also needs to be expla...

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Abstract

The invention provides a rectangular TE based on H-T joint power division network 10 Mode‑Circular Waveguide TE 21 The mode converter of the modulus, the mode conversion process is a rectangle TE 10 Die-Rectangular TE 20 Mode‑Circular Waveguide TE 21 Mode, its structure includes input port, main branch rectangular waveguide, H-T joint, 3 matching steps, 2 secondary branch rectangular waveguides, overmodulated rectangular waveguide, rectangular waveguide mode converter, output circular waveguide, output port. The TE proposed by the present invention 20 ‑TE 21 The mode converter has excellent electrical performance with high mode conversion efficiency (>95%) over a wide frequency range. Due to the adoption of the H-T power distribution network, the center of the input port and the output port of the present invention are coaxial, which is beneficial to the integration of two-dimensional plane processing and its application system. The TE proposed by the present invention 20 ‑TE 21 The mode converter has both excellent electrical properties and structural properties, and can be used for cold chamber testing of high-frequency structures of gyrotron traveling wave tubes.

Description

[technical field] [0001] The invention belongs to the fields of microwave technology and vacuum electronics technology, and in particular relates to a mode converter for testing a high-frequency structure cold chamber of a millimeter wave / terahertz high-order mode cyclotron traveling wave tube. [Background technique] [0002] Rectangular waveguide-to-circular waveguide mode converters are widely used in millimeter wave / terahertz convoluted traveling wave tubes. It can not only be used as the input coupler of the gyro TWT, but also can be used for the cold chamber test of the high frequency structure of the gyro TWT. The cold chamber test of the high-frequency structure is helpful to obtain its dispersion characteristics, transmission loss, electromagnetic characteristics of dielectric materials and return wave oscillation suppression, etc. In order to obtain the above electromagnetic characteristics, a mode converter is a necessary device, because the vector network analyze...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01P1/16
CPCH01P1/16
Inventor 舒国响何文龙张耿涛邓浚哲
Owner SHENZHEN UNIV
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