30results about How to "Improve modeling optimization calculation efficiency" patented technology

The invention discloses a rectangular waveguide four-way coaxial power divider based on a metal ridge. The rectangular waveguide four-way coaxial power divider comprises an input transmission line, four output transmission lines, an electromagnetic wave channel, the metal ridge and the like. The input transmission line is provided with a rectangular waveguide, at least two waveguides and at leastfour metal ridge components C are arranged among the input transmission line and the output transmission lines, the metal ridge components C are positioned in the waveguides along a direction Z, eachmetal ridge component C comprises at least two metal ridges C which are mutually communicated along a direction Z, each metal ridge C in each metal ridge component C is connected with the inner wall of the waveguide with the metal ridge C only in the same direction, and the output transmission lines are provided with coaxial lines. The power divider has remarkable advantages that compact broadbandmatching of one transmission line to four transmission lines can be achieved in a short distance. The power divider is mainly used for various communication and radar systems of microwaves, millimeter waves and terahertz wave bands.

The invention discloses a compact double-ridged rectangular waveguide four-way coaxial power divider which comprises an input transmission line, four output transmission lines, electromagnetic wave channel, a metal ridge and the like. The input transmission line is provided with a double-ridged waveguide, at least one electromagnetic wave channel is formed among the input transmission line and theoutput transmission lines, one electromagnetic wave channel is communicated with the input transmission line or the output transmission lines or the other electromagnetic wave channel through one endsurface of the electromagnetic wave channel, more than one electromagnetic wave channel is adjacent and communicated along a Z axis, and the output transmission lines are provided with coaxial lines.The power divider has remarkable advantages that compact broadband matching of one transmission line to four transmission lines can be achieved in a short distance. The power divider is mainly used for various communication and radar systems of microwaves, millimeter waves and terahertz wave bands.

The invention discloses a symmetrical microwave coupling structure. A plurality of rectangular or through holes of other shapes are communicated with each other to form a microwave channel to be matched with various microwave circuits or to be communicated with various microwave areas. The microwave channel is in mirror symmetry. Compared with existing similar schemes, the modeling optimization calculation efficiency can be remarkably improved. The microwave circuit is smaller in size and wider in working bandwidth. Particularly, different transmission lines can be matched in an ultra-widebandfrequency range and comprise a coaxial line, a rectangular waveguide, a circular waveguide, a rectangular waveguide or a circular waveguide with a ridge, and an SIW (substrate integrated waveguide),a micro-strip, a strip line and the like. The invention can also be used for matching transmission lines having perpendicular or reversed axial lines and also used for matching different kinds of transmission lines twisting in different angles around the axial lines. The system is mainly used in communication and radar systems of microwave, millimeter wave and terahertz wave bands.

The invention discloses a single-ridge rectangular waveguide transmission line adapter, and the adapter employs electromagnetic wave channels formed by the mutual communication of a plurality of rectangular through holes or in other shapes, so as to accord with the transmission lines of different structures. Two transmission lines are single-ridge rectangular waveguides. A metal ridge of one transmission line is connected with the bottom of the transmission line. The metal ridge of the other metal transmission line is connected with the top of the transmission line. Compared with an existing similar scheme, the adapter can remarkably improves the modeling, optimization and calculation efficiency. The size of the adapter is smaller, and the work bandwidth is larger. The adapter is mainly used in communication and radar systems of various electromagnetic waves, millimeter waves and terahertz waves.

The invention discloses a compact-type double-ridge rectangular waveguide four-path ridge waveguide power divider, which comprises an input transmission line, four output transmission lines, electromagnetic channels, metal ridges and the like, wherein the input transmission line is a double-ridge waveguide; at least one electromagnetic channel is arranged between the input transmission line and the output transmission lines; the electromagnetic channel is communicated with the input transmission line, or the output transmission line, or the other electromagnetic channel through one end surface; more than one electromagnetic channel is adjacent and communicated along a Z axis; and the output transmission line is a ridge waveguide. The compact-type double-ridge rectangular waveguide four-path ridge waveguide power divider is prominently characterized in that compact broadband matching from the one transmission line to the four transmission lines in a short distance can be realized, and can be mainly used in various communication and radar systems in microwave, millimeter wave and terahertz bands.