Frequency-reconfigurable waveguide aperture antenna based on dual horizontal PIN diode

A technology of PIN diode and waveguide slot antenna is applied in the field of frequency reconfigurable waveguide slot antenna to achieve the effect of reducing complexity and cost

Active Publication Date: 2015-06-17
NANKAI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Because the traditional waveguide slot antenna can only achieve one pattern, and can only work most effectively in one frequency band

Method used

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  • Frequency-reconfigurable waveguide aperture antenna based on dual horizontal PIN diode
  • Frequency-reconfigurable waveguide aperture antenna based on dual horizontal PIN diode
  • Frequency-reconfigurable waveguide aperture antenna based on dual horizontal PIN diode

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Such as Figure 7 As shown, this frequency reconfigurable waveguide slot antenna based on double transverse PIN diodes includes a servo circuit 1 , a programmable voltage source 2 , and a rectangular waveguide 3 . Cut n slots on the wide wall of the rectangular waveguide 3, and the range of n is 8-64 (see Figure 5 and Figure 6 ), a dual lateral PIN diode 4 is respectively placed in each slit, wherein the top view of the dual lateral PIN diode 4 is as follows image 3 shown.

[0027] For the convenience of expression, it is assumed in this example that only 8 slots 301-308 are cut in the wide wall of the waveguide, as Figure 8 As shown, the slits of the wide wall of the waveguide are parallel to the long edges of the rectangular waveguide, and the longitudinal distance between the slits is λ / 2, where λ is the wavelength of the waveguide; a double transverse PIN diode 4 is respectively installed at the slits 301-308, and the double transverse The length and width o...

Embodiment 2

[0036] Such as Figure 7 As shown, this frequency reconfigurable waveguide slot antenna based on double transverse PIN diodes includes a servo circuit 1 , a programmable voltage source 2 , and a rectangular waveguide 3 . Cut n slots on the wide wall of the rectangular waveguide 3, and the range of n is 8-64 (see Figure 5 and Figure 6 ), a dual lateral PIN diode 4 is respectively placed in each slit, wherein the top view of the dual lateral PIN diode 4 is as follows image 3 shown. For the convenience of expression, it is assumed in this example that only 8 slots 301-308 are cut in the wide wall of the waveguide, as Figure 8 shown. In this example, the connection mode of each part of the frequency reconfigurable waveguide slot antenna based on double transverse PIN diodes is exactly the same as that in Embodiment 1.

[0037] For the convenience of expression, it is assumed that the length and width of all the waveguide slots 301-308 are respectively equal, and the lengt...

Embodiment 3

[0041] The servo circuit 1 controls the programmable voltage source 2 by programming, so that the programmable voltage source 2 outputs multiple voltages that meet the programming requirements; the multiple voltages output by the programmable voltage source 3 are connected to the corresponding double horizontal PIN diodes 4 to control the dual Different parts of the lateral PIN diode 4 are turned on and off. By controlling the length, width and offset distance of the slots 301-308 of the rectangular waveguide 3 in this way, it can be expanded according to the above-mentioned ideas, and other different dual-based Frequency reconfigurable waveguide slot antenna with transverse PIN diode.

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Abstract

The invention discloses a frequency-reconfigurable waveguide aperture antenna based on dual horizontal PIN diodes and belongs to the field of antennae. The frequency-reconfigurable waveguide aperture antenna based on the dual horizontal PIN diodes mainly comprises a servo circuit, a programmable voltage source, a rectangular waveguide and a dual horizontal PIN diode, wherein the servo circuit is used for carrying out programming control on the programmable voltage source, so that the programmable voltage source outputs multiple voltages meeting programming requirements; the rectangular waveguide adopts a coaxial cable for feeding, 8-64 gaps are cut from a wide wall of the waveguide, and one dual horizontal PIN diode is arranged at each gap; and multiple voltages output by the programmable voltage source are connected with the dual horizontal PIN diodes, and on and off of different parts of the dual horizontal PIN diodes are controlled, so that the length, width and offset distance of each gap of the waveguide are controlled by virtue of the way, and the programmable control frequency-reconfigurable waveguide aperture antenna is realized. By applying the invention, the programmable frequency-reconfigurable waveguide aperture antenna is realized.

Description

technical field [0001] The invention relates to the fields of semiconductor devices and waveguide slot antennas, in particular to frequency reconfigurable waveguide slot antennas that realize programmable control using semiconductor devices. Background technique [0002] The waveguide slot antenna is made by opening a slot on the waveguide wall. It is fed by a waveguide or a resonant cavity, and is excited to generate an electromagnetic field on the slot, and an antenna that radiates electromagnetic waves into space. The waveguide slot antenna has the advantages of compact structure, large power capacity, convenient installation, high radiation efficiency, low feed loss, small size, light weight, easy to achieve high gain and low sidelobe, and occupies an important position in the modern electronics industry. It is widely used in ground, shipboard, airborne, navigation and other fields. [0003] The unique physical properties of plasma have great development potential in so...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01Q1/36H01Q13/18H01Q23/00
Inventor 刘会刚廖沁悦梁达张时雨任立儒张福海耿卫东
Owner NANKAI UNIV
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