49 results about "Waveguide aperture" patented technology

ABSTRACTA transceiver (20) for a millimeter wave signal, consisting of a PCB (140) having PCB microstrip lines (141) and PCB waveguide apertures (159), and one or more transmitter modules (22) and one or more receiver modules (24, 26, 28) mounted on the PCB. Each module has a single microstrip-waveguide transition (34, 48) and a microstrip-microstrip transition (47, 49). The microstrip-waveguide transition of each module couples to one of the PCB waveguide apertures via a PCB-module waveguide-waveguide transition (167). The microstrip-microstrip transition of each module couples to one of the PCB microstrip lines via a PCB-module microstrip-microstrip transition (165). The PCB-module transitions are low tolerance, facilitating implementation of the transceiver.

The invention discloses a waveguide aperture antenna which comprises a plurality of substrate-integrated waveguide aperture sub-arrays based on H-plane Taylor distribution, one or more feed networks and a metal cylinder, wherein the waveguide aperture sub-arrays form an ultralow minor lobe directional diagram on the waveguide aperture antenna H plane; the feed networks are correspondingly connected with the waveguide aperture sub-arrays and are used for feeding signals with unequal power and different phases into the connected waveguide aperture sub-arrays respectively and controlling a waveguide aperture antenna E-plane array to form an E-plane Taylor distribution array of an E-plane ultralow minor lobe directional diagram; and the waveguide aperture sub-arrays and the feed networks are connected on the circumference of the metal cylinder by surrounding. The waveguide aperture antenna solves the problem that anti-interference capability and working efficiency of a conformal substrate-integrated waveguide aperture antenna cannot meet higher requirements in the prior art.

An orthomode transducer includes a first waveguide section, a second waveguide section coupled to the first waveguide section, and a third waveguide section coupled to the first and second waveguide sections. The first waveguide section is configured to support the propagation of a signal having a first polarization, and includes a first waveguide aperture sized to communicate the signal having the first polarization therethrough. The second waveguide is configured to support the propagation of a signal having a second polarization which is orthogonal to the first polarization, the second waveguide section having a single internal septum and a second waveguide aperture sized to communicate the signal having the second polarization therethrough. The third waveguide is configured to support the propagation of either a signal having the first polarization or the second polarization, and includes a third waveguide aperture sized to communicate the signals having either the first or second polarization therethrough.

A steerable antenna assembly (“SAA”) for receiving a plurality of incident radio frequency (“RF”) signals at a plurality of incident angles is disclosure. The SAA includes an approximately spherical dielectric lens (“SDL”), a waveguide aperture block (“WAB”), a switch aperture matrix (“SAM”), and a radial aperture combiner (“RAC”). The SDL receives and focuses the plurality of incident RF signals creating a plurality of focused RF signals at a plurality of focal points approximately along the back surface of the SDL. The WAB is positioned adjacent to the back surface of the SDL and receives the plurality of focused RF signals. The SAM electronically steers a beam of a radiation pattern produced by the SAA and switch between the pluralities of focused RF signals based on electronically steering the beam. The RAC produces a received RF signal from the plurality of focused RF signals.

An antenna apparatus for the reception of, and or transmission of, electromagnetic energy, the apparatus including a non-radiating dielectric waveguide aperture coupled to at least one dielectric rod antenna, which is electromagnetically coupled to a transmission line element.

The invention provides a shielding box structure and an environment experiment device. The shielding box structure comprises a shielding box body and a shield door arranged on the shielding box body; the shielding box body comprises a plurality of box body plates which are connected in a seamless welding way, a cavity structure comprising a box body opening is encircled by the plurality of box body plates, and the shield door is arranged on the box body opening in close way; and a plurality of waveguide apertures are uniformly arranged on the box body plate or / and the shield door. According to the technical scheme provided by the invention, interference signals can be shielded, the hot gas in the box can be rapidly discharged, so that the internal temperature of the box is consistent with the external temperature of the box rapidly.

A module substrate includes a surface layer to which a rectangular waveguide structure having a waveguide aperture is to be connected; metal layers stacked with a dielectric layer between each pair thereof and including a first metal layer that includes a transmission line and a coupling element at a portion of the transmission line and a second metal layer positioned further than the first metallayer from the rectangular waveguide structure; and vias connecting the adjacent metal layers. The surface layer has a first opening facing the waveguide aperture. The first opening surrounds the coupling element in plan view from the surface layer. A dielectric layer region surrounded by some of the vias is formed within a projection area of the first opening between the first and second metal layers. The region has a size smaller than the waveguide aperture in the plan view.

The invention relates to a Ka-band low-consumption compact feed network. The network comprises a waveguide aperture converter, four E bent waveguides, an E-plane single T and two E-plane variation single T. The waveguide aperture converter is sequentially connected with the two E bent waveguides and the E-plane single T to form a 1: 2 combiner / distributor, and the waveguide aperture converter forms a waveguide input port. One ends of the other two E bent waveguides are connected with the two ends of the E-plane single T respectively, and the other ends are connected with the two E-plane variable single T respectively to form two 1: 2 combiners / distributors. The two E-plane variable single T form four output ports, and a quartered synthesizer / distributor from the waveguide aperture converter to the E-plane variation single T is formed through cascading. According to the invention, the synthesis / distribution function of the network is realized by the E-plane single T and the variation E-plane T, and the broadband characteristic of the T is realized by adjusting the matching mode.

The invention relates to an electromagnetic shielding room shielding network wire passing wall device, which comprises a network shielding cable (2); a section of waveguide (3); the waveguide (3) passes through the shielding wall (1), and There are fixed copper mesh spacers (4) on both sides respectively; the network shielded cable (2) passes through the waveguide (3); at both ends of the waveguide (3), the network shielded cable (2) is made of copper The net (5) replaces the insulating sheath and is tightened by the center chuck (6); the beneficial effect of the present invention is: due to the use of shielding grounding and waveguide principles, a central waveguide with an outer diameter of 10 mm is used to pass through the central waveguide hole of the shielding steel plate and the shielding The outer diameter of the shielding layer of the network cable is matched, and the dressing is directly passed through the shielding steel plate. The structure and process are simple. In related projects, as many as 400 shielded network cables are used to pass through the wall, and the shielding performance reaches the corresponding confidentiality standards and military standards. Can achieve 100dB shielding effectiveness.

The embodiment of the invention provides a microwave communication equipment, an adapter and a communication system, wherein, the microwave communication equipment comprises an antenna and a communication interface module connected with the antenna; the communication interface module comprises a first connecting part microwave interface, a first waveguide aperture and a first connecting area, wherein, the first connecting part of microwave interface is used for being connected with a second connecting part of an external microwave interface carried with a second waveguide aperture in a matching manner; the first waveguide aperture is positioned on the first connecting part of microwave interface, and is used for butting-joint with the second waveguide aperture so as to transmit microwave communication signals between the antenna and the second waveguide aperture; and the first connecting area is positioned between the first connecting part of the microwave interface and the first waveguide aperture and is used for connecting the first waveguide aperture with an external feeder line for transmitting the microwave communication signal. By the connection of the microwave interface connecting part and the waveguide aperture in the microwave communication equipment and the connection of the connecting area and the external feeder line, the universality of the microwave communication equipment is improved.

A waveguide aperture beam conditioner includes an input port section having an input port that receives an aberrated laser beam, an elongated waveguide body formed from an opaque material and having internal bore formed therethrough, and an output port that receives the waveguided beam and outputs a conditioned output laser beam. An inner surface of the internal bore forms a waveguide for the focused output beam and thereby generates a waveguided beam.

A cavity 5 that is configured by electrically connecting an earth conductor 4 that is formed on a multilayer dielectric substrate 2 and on which a plurality of high frequency circuits 10, 11, and 12 are mounted, and a shield cover member 3; a waveguide aperture 30 that is formed on the earth conductor 4 on which the high frequency circuits 10, 11, and 12 are mounted and that is electrically coupled to the cavity 5; and an end-short-circuited dielectric waveguide 40 that is formed in a direction of layer lamination of the multilayer dielectric substrate 2, is connected to the waveguide aperture 30, and has a length approximately 1 / 4 of an effective wavelength in the substrate of a signal wave are included, and spatial isolation between the high frequency circuits is ensured by an inexpensive and simple configuration using the single cavity.