1164results about "Resonators" patented technology

The invention provides an active regulation and control device for a microwave resonant cavity based on Rydberg atoms. The microwave resonant cavity comprises a protective shell, an atomic gas chamber and a photoelectric detector, the active regulation and control device comprises a PID control module and piezoelectric ceramics, the PID control module is used for processing a received EIT transmission spectrum signal after generating a modulation signal to carry out atomic resonant frequency scanning on the atomic gas chamber, obtaining a target resonant frequency through a current feedback zero crossing point corresponding to an EIT transmission spectrum valley bottom value, and generating a deviation correction signal; and the piezoelectric ceramic is used for adjusting the length of a protective shell of the microwave resonant cavity according to the received correction signal, so that the atomic resonant frequency is locked as the target resonant frequency. The invention further provides an active regulation and control method for the microwave resonant cavity based on the Rydberg atoms. According to the invention, the resonant frequency of the microwave resonant cavity can be rectified in real time, and the optimal and most stable resonant mode of the local oscillation microwave frequency responding to atoms is kept.

The invention relates to the technical field of filters, in particular to a dual-mode resonator and a dual-mode filter. The dual-mode resonator comprises a metal cavity and a medium resonance body; the number of the metal cavities is two, and the two metal cavities are arranged on the two opposite sides of the medium resonance body respectively. The opening end of the metal cavity faces one end of the dielectric resonator; a conducting ring is arranged between the metal cavity and the dielectric resonant body, and the metal cavity and the conducting ring form a resonant cavity. The dual-mode filter comprises a first resonator and a second resonator; the first resonator is a dual-mode resonator; the first resonator and the second resonator are connected in series through a coupling structure. The conducting rings and the metal cavities are arranged on the two opposite sides of the dielectric resonance body, the conducting rings and the metal cavities form the resonance cavities, and the dual-mode resonance effect is achieved. The overall size is small, the space utilization rate is high, and production is easy.

A filter device includes a body, a ground terminal, and resonators in the body and coupled to each other by electromagnetic field coupling. The resonators include a first resonator coupled to an input terminal, a second resonator coupled to an output terminal, and third and fourth resonators. The second resonator is adjacent to the first resonator in a first direction. The third resonator is adjacent to the first resonator in a second direction perpendicular to the first direction. The fourth resonator is adjacent to the third resonator in the first direction. The third and fourth resonators partially share a path to the ground terminal.

Systems, methods, and apparatus for multiplexed control and readout of quantum computing systems that can include qubits, couplers, and other related quantum computing circuit devices. Numerous examples of superconducting quantum computing systems are described that include some, or all, of these quantum computing circuit devices integrated into a superconducting quantum circuit that can be interfaced by a classical control system. In one example, a superconducting circuit is described. The superconducting circuit includes: a superconducting device including a superconducting loop interrupted by one or more Josephson junctions; a first microwave resonator inductively coupled to the superconducting loop of the superconducting device; a second microwave resonator capacitively coupled to the superconducting device, where the first and second microwave resonators each have a different fundamental frequency; and a microwave transmission line evanescently coupled to each of the first and second microwave resonators.

To provide a component for millimeter wave communication.SOLUTION: Disclosed herein are a component for millimeter wave communication and a related method and system.SELECTED DRAWING: Figure 5A

The purpose of the present invention is to provide a device and method for testing the millimeter wave dielectric properties of liquid crystal materials under electrical orientation, which belongs to the field of microwave testing technology. In the dielectric constant test of liquid crystal materials, the present invention designs a liquid crystal box composed of multiple layers of dielectrics, and innovatively uses multiple layers of dielectrics to form a top-bottom symmetrical TM 0n0 The mode double-sided circular patch resonator, and the electric field distribution inside it passes through the multi-layer medium to be tested and is perpendicular to the metal disc. Therefore, by utilizing its internal field distribution characteristics, the structure can use a mode with a higher resonant frequency, greatly broadening the test frequency range, and the test frequency can reach 110GHz. Therefore, the dielectric property test device of the present invention can realize the wide-band dielectric property test of liquid crystal materials in the millimeter wave frequency band, and the test device is simple and easy to implement.

The invention discloses a medium cavity filtering coupler with an adjustable center frequency, particularly relates to the technical field of wireless communication, and solves the problems that in the prior art, the fusion design between a coupler and a filter of the same type is mainly adopted, most designs are low-power planar circuits, and the cost is low. The technical problem of lack of fusion design of an adjustable cavity filter and a coupler is solved. According to the technical scheme, a metal stepped shaft assembly is inserted into a non-metallized through hole of a medium cavity in a segmented mode, disturbance of different magnitudes is generated on a TE110 mode electric field in the medium cavity, and then the resonant frequency of the medium cavity is shifted; the effect of flexibly regulating and controlling the center frequency of the filtering coupler can be achieved.

The embodiment of the invention provides a filter, an antenna device and communication equipment, relates to the technical field of communication, and aims to solve the problem that the size of the communication equipment is relatively large due to the fact that the filter occupies a relatively large layout area. A second resonance body and a first resonance body in the filter are stacked, and the second resonance body and the first resonance body are decoupled. The first connector penetrates through the second resonance body, the first connector and the second resonance body are decoupled, the first end of the first connector is coupled with the first resonance body, and the second end of the first connector extends out of the second resonance body. In addition, the first end of the second connector is coupled with the second resonance body, and the second connector and the first connector are arranged on the same side of the first resonance body. The first resonance body and the second resonance body which are mutually independent are stacked in the thickness direction of the filter, so that the layout area occupied by the filter can be reduced.

The embodiment of the invention provides an indoor embellished antenna, and belongs to the technical field of communication antennae, the indoor embellished antenna comprises a dielectric substrate, and one side of the dielectric substrate is provided with a ground layer substrate; the patch substrate is arranged on the side, away from the stratum substrate, of the dielectric substrate, and hole sets arranged in an array mode are formed in the circumferential edge of the patch substrate and penetrate through the dielectric substrate and the stratum substrate. The main open groove is formed in the patch substrate, the main open groove is formed in an annular closed mode, any two opposite sides of the main open groove are respectively provided with a guide groove, the guide grooves extend to the open hole set, and the guide grooves, the main open groove and the open hole set jointly divide the patch substrate into two resonance areas; wherein the main slot forms a central patch resonant cavity, and each resonant region forms a substrate integrated waveguide resonant cavity. According to the indoor embellished antenna provided by the invention, the central patch resonant cavity and the substrate integrated waveguide resonant cavity are integrated in one frequency band, so that multi-resonance-point operation can be realized under the low-profile size design.

The present disclosure relates to a communication device such as a multiplexer or a demultiplexer, comprising: a housing comprising a common first port and a plurality of second ports; a plurality of cavity filters for transmitting a wireless signal between the first port and a corresponding one of the second ports, each of the plurality of cavity filters comprising one or more cavities formed in the housing and a resonator arranged in each cavity; and a coupler for coupling the first port to each cavity filter. The coupler is arranged in one cavity of each cavity filter, and is coupled to the resonator in the one cavity.

The embodiment of the invention provides a dielectric resonator, a dielectric filter and communication equipment, relates to the technical field of communication, and is used for improving the quality factor of the dielectric resonator. The dielectric resonator includes a first dielectric block, a second dielectric block, a first conductive layer, and a second conductive layer. The first dielectric block is provided with a mounting hole, and the second dielectric block is located in the mounting hole; the dielectric constant of the second dielectric block is greater than that of the first dielectric block. The first conductive layer is located on at least part of the surface, except the surface opposite to the second dielectric block, of the surface of the first dielectric block. The second conductive layer is located on at least part of the surface, except the surface opposite to the first dielectric block, of the surface of the second dielectric block; the second conductive layer is coupled to the first conductive layer. The dielectric resonator is applied to the dielectric filter, and the Q value of the dielectric filter is improved.

To provide a technology adjusting intensity distribution of an electric field in a slot of a resonator in a plasma processing apparatus.SOLUTION: In a disclosed plasma processing apparatus, a resonator comprises: an inside part and an outside part that coaxially extend to a central axis line; and a plurality of conductor plates that are arranged in parallel to each other along a vertical direction in which the central axis line extends. The resonator provides a waveguide having a plurality of layers that are alternately arranged with the plurality of conductor plates. Each of the plurality of layers is connected to a layer above it at a place along the inside part or the outside part. A conductor plate of the lowermost part of the plurality of conductor plates has a plurality of slots. The plurality of slots are arranged along a circumferential direction. A wall surrounding the lowermost layer of the plurality of layers in the outside part is extended along a side of a polygon in a cross section orthogonally crossing with the central axis line.SELECTED DRAWING: Figure 1

The invention relates to a dielectric filter and communication equipment, and the dielectric filter comprises at least two dielectric resonators which are connected with each other and a hole group, each dielectric resonator comprises a dielectric body and a resonant cavity, the dielectric body comprises a top surface and a bottom surface along a first direction of the dielectric filter, the resonant cavity penetrates through the top surface or the bottom surface, and the resonant cavity penetrates through the top surface or the bottom surface along a second direction of the dielectric filter. The dielectric body further comprises a first side face and a second side face, the hole sets are arranged between two adjacent dielectric resonators, each hole set comprises a first hole and a second hole, the two ends of the first hole penetrate through the top face and the bottom face respectively, the second hole penetrates through at least one of the first side face and the second side face, and the first side face and the second side face are arranged in the third direction of the dielectric filter. The projection of the first hole and the projection of the second hole are crossed, so that a magnetic field between two adjacent dielectric resonators is cut more sufficiently, the coupling strength between high-order modes of higher harmonics is reduced, the far-end suppression capability of the dielectric filter is improved, a low-pass filter does not need to be additionally arranged, and the cost and insertion loss are reduced.

The invention relates to the technical field of aviation navigation, in particular to an electromagnetic resonator for eliminating multipath interference of a heading beacon. The electromagnetic resonator comprises first glass, a first PVB film, an electromagnetic resonance body, a third PVB film and third glass which are sequentially connected in the incident direction of electromagnetic waves. The electromagnetic resonance body comprises a copper-clad resonance absorption layer, second glass, a second PVB film and a full-covering metal shielding layer which are sequentially connected in the electromagnetic wave incidence direction. And the size of the copper-clad resonance absorption layer is smaller than that of the fully-covered metal shielding layer. The electromagnetic resonance main body is the main structure of the electromagnetic resonator, when electromagnetic waves irradiate the electromagnetic resonator, the electromagnetic resonator main body can generate resonance, and then the purpose of absorbing the electromagnetic waves is achieved; moreover, the dielectric substrate adopted by the invention is common glass, and the electromagnetic resonator main body is packaged between the two layers of glass by adopting a mature laminating process, so that the environmental conditions of outdoor wind and sunlight can be effectively resisted.

A semiconductor device has an amplifier and common mode suppression (CMS) circuit formed on a common substrate. The CMS circuit has a first input and second input coupled for receiving an input signal and further has a first output coupled to a first input of the amplifier and a second output coupled to a second input of the amplifier to reduce common mode. The CMS circuit further has a ground plane, a first conductive trace disposed over the ground plane and coupled between the first input and first output, second conductive trace disposed over the ground plane and coupled between the second input and second output, and third conductive trace disposed over the ground plane with a first end of the third conductive trace coupled to the ground plane and a second end of the third conductive trace open circuit to form a resonator.

The invention discloses a traveling wave resonant ring for aging a high-power microwave device, and relates to the field of high-power microwave equipment, the traveling wave resonant ring comprises a coupler and a transmission line, the coupler comprises four ports, and the ports comprise a coupling port and an isolation port. Two ends of the transmission line are respectively connected to a coupling port and an isolation port of the coupler, and a tested unit is inserted in the middle of the transmission line to form a traveling wave resonant ring together with the coupler. According to the invention, low-power input is used, a high-power field is generated on the transmission line, and the field intensity gain of more than 15dB can be realized. The equipment can be used for aging high-power microwave equipment or devices, and the enhanced field intensity is dozens of times higher than the input field intensity, so that the aging of high-energy-consumption devices is realized with lower energy consumption.

The invention discloses an asymmetric superconducting resonator, a coupling filter and a microwave multiplexing filter, and relates to the technical field of microwave communication. The first part microstrip line, the third part microstrip line, the fifth part microstrip line and the seventh part microstrip line of the asymmetric superconducting resonator are parallel to one another, the length of the first part microstrip line is the same as that of the third part microstrip line, and the length of the fifth part microstrip line is the same as that of the seventh part microstrip line; the length of the first part microstrip line is greater than that of the fifth part microstrip line; the second, fourth and sixth microstrip lines are parallel to each other; the distance between the first part microstrip line and the seventh part microstrip line, the distance between the seventh part microstrip line and the fifth part microstrip line, the distance between the third part microstrip line and the fifth part microstrip line, and the distance between the second part microstrip line and the sixth part microstrip line are the same. The invention aims to reduce related interference between circuits and has universality.

The invention discloses a dual-passband filtering coupler based on a dielectric resonant cavity, particularly relates to the technical field of wireless communication, and solves the technical problems that in the prior art, a cavity filter and a cavity coupler often work in a cascade mode, and a matching network needs to be additionally configured between the cavity filter and the cavity coupler, so that the hardware cost is high, and the occupied system space is large. According to the technical scheme, the coupler and the dual-passband filter are integrated in one device, the circuit size can be remarkably reduced, and cascade loss between the coupler and the dual-passband filter is eliminated. The high-performance index of the microwave circuit is guaranteed, effective balance between performance and cost is achieved, and the microwave circuit completely conforms to the development direction of miniaturization, high performance and low cost of a future communication system.

The invention belongs to the technical field of electronic information, and discloses a millimeter wave magnetic coupling variable resonant equalizer, which comprises a transmission waveguide channel, a coupling channel and a resonant cavity which are communicated, the resonant cavity and the coupling channel are arranged in the narrow side direction of the transmission waveguide channel, the opening direction of the coupling channel is parallel to the direction component of an electric field, and the opening direction of the coupling channel is parallel to the direction component of the electric field. The inner walls of the two ends of the resonant cavity are adjustably and slidably connected with adjusting blocks, the opposite inner side faces of the two adjusting blocks are fixedly connected with wave absorbing materials, and the inner wall, facing the coupling channel, of the resonant cavity is detachably and movably connected with a guide block. The center position of the resonant cavity is provided with a telescopic tuning pin perpendicular to the direction component of the magnetic field. According to the structure, the processing and installation problems of a common waveguide equalizer are effectively solved, the equalizer is debugged more simply and quickly, meanwhile, the standing-wave ratio is optimized by changing the cavity structure, and a relatively complex gain curve can be equalized through the good frequency response characteristic.

A dielectric resonator antenna, which includes a dielectric resonator and a substrate on which a planar feeding circuit is configured. The dielectric resonator is located on a first side of the substrate. The planar feeding circuit contains a first feeding part and a second feeding part. The first and second feeding parts are adapted to excite two orthogonal DRA modes in a same frequency band. Due to its polarization diversity, the antenna can be used to replace two commercial Wi-Fi antennas. It can simultaneously be used as a projection device for decoration and advertising.

The disclosed plasma processing apparatus includes a chamber, a substrate support part, an excitation electrode, an emission unit, and a resonator. The substrate support part is provided inside the chamber. The excitation electrode is provided above the substrate support part. The emission unit is provided so as to emit electromagnetic waves to the plasma generation space below the excitation electrode. The emission unit extends in a circumferential direction with respect to the central axis of the excitation electrode so as to surround the plasma generation space. The resonator is provided on the excitation electrode. The resonator includes a first end, a second end, and a plurality of slots. The plurality of slots are arranged along the second end and along the circumferential direction, and are provided so that electromagnetic waves in the resonator are supplied from the slots to the emission unit. Each of the plurality of slots is configured such that the longitudinal length thereof, which is in the circumferential direction, can be changed.

The invention discloses a dual-linear polarization independent control low-profile reflective array antenna with a gain filtering characteristic. The antenna comprises a plane reflection array formed by a plurality of reflection units, and a horn antenna. The reflection unit comprises a magnetoelectric dipole loaded with a split ring resonator, an x polarization feed part and a y polarization feed part, each feed part comprises an independent feed arm and an open-circuit metal microstrip line patch, and the feed arm and the open-circuit metal microstrip line patch are connected through a metalized via hole; energy received by the magnetoelectric dipole in a working band can be coupled to the feed arm, transmitted to the open-circuit metal microstrip line patch from the feed arm through the metalized via hole, and reflected on the open-circuit metal microstrip line patch, so that the reflection phase can be changed by adjusting the length of the open-circuit metal microstrip line patch. A radiation zero point is introduced at a low frequency by utilizing the characteristics of the magnetoelectric dipole, and a radiation zero point is introduced at a high frequency by utilizing the half-wavelength resonance characteristics of the split ring resonator, so that the filtering characteristic is realized.

A cavity resonator, comprising: a metal cavity; a first resonator rod extending in a first direction between a first wall and a second wall of the metal cavity; and a second resonator rod extending in a second direction between a third wall and a fourth wall of the metal cavity, the second direction being perpendicular to the first direction. The first resonator rod and the second resonator rod do not intersect each other. The first resonator rod is provided with a first dielectric body, and the second resonator rod is provided with a second dielectric body. The present disclosure also relates to a filter comprising the cavity resonator.

A superconducting qubit-based device includes: a superconducting qubit comprising a first conductive pad and a second conductive pad, each being formed of a superconducting material, and a ferromagnetic body configured to form a Josephson junction with the first conductive pad and the second conductive pad; a conducting wire spaced apart from the ferromagnetic body by a predetermined distance; and a control circuit configured to control a resonance frequency of the superconducting qubit by controlling a current flowing through the conducting wire.

A radio frequency adjusting structure comprises an adjusting screw, a cover plate, a base and a limiting piece. The adjusting screw comprises a cap part and a polished rod part located at the position of the middle axis of the cap part, the polished rod part defines the vertical direction, and the cap part is provided with a first internal thread spirally surrounding the cap part in the vertical direction. The cover plate comprises a horizontally-extending base plate part and a vertically-extending cylinder part, the cover plate is provided with a through hole, the through hole penetrates through the cylinder part and the base plate part from top to bottom in the vertical direction, and the polished rod part penetrates through the through hole. The cylinder part is provided with a first external thread which spirally surrounds in the vertical direction, and the first internal thread is spirally matched with the first external thread. The base is located below the substrate part, a frequency modulation cavity is formed between the substrate part and the base, the polished rod part partially extends into the frequency modulation cavity, and the cap part is located above the substrate part and annularly arranged outside the cylinder part. The limiting piece is connected to the column part in a sleeving mode, located below the cap part and connected with the cap part in an up-down abutting mode. According to the device, chippings are prevented from falling below the cover plate, and the stability of the adjusting screw in the adjusting process is guaranteed.

An apparatus comprising a resonator structure comprising a first transmission line and first two symmetric ring-shaped stubs with substantially equal width and length, placed substantially in a middle of the first transmission line. The apparatus further comprises a cross-coupling line structure for induction of crosstalk, the cross-coupling line structure comprising a second transmission line and second two symmetric ring-shaped stubs, wherein the second transmission line is coupled to a DC or pulsed voltage source.

A system, for measuring a dielectric property of a medium, includes: a resonator; an oscillator electrically coupled to the resonator and configured to generate an electrical signal representing an oscillation of the oscillator when the resonator is disposed in a vicinity of the medium; and measuring circuitry that receives the electrical signal. The measuring circuitry determines, from the electrical signal, at least one of a resonance frequency of the resonator and a quality factor of the resonator. The measuring circuitry determines, from the at least one of the resonance frequency and the quality factor, the dielectric property of the medium.

This embodiment discloses a resonator and a filter. The resonator comprises a housing, a cover plate, a metal resonant rod, a dielectric member and a fixing member. The housing includes a resonant cavity with an opening. The cover plate covers the opening and connects to the housing. The metal resonant rod, dielectric member, and fixing member are set in the resonant cavity. The dielectric member is set on the metal resonant rod. The fixing member is detachably connected to the outside of the dielectric member and the metal resonant rod. The dielectric member is fixedly connected to the fixing member and the metal resonant rod. The fixing member is detachably connected to the metal resonant rod and the dielectric member through a sleeve arrangement, and the dielectric member is limited and fixed on the metal resonant rod, improving the tuning performance of the resonator while effectively reducing its cost.

The invention provides a broadband filtering device and a multi-system access platform, and relates to the technical field of multi-system access platforms, and the broadband filtering device comprises a dielectric substrate; the resonator is arranged on the surface of the dielectric substrate; and the plurality of input units are wound on the resonator, each input unit comprises a first coupling line, a second coupling line and an input piece which are arranged on the surface of the dielectric substrate, the first coupling line and the second coupling line are connected with the input piece, the first coupling line and the second coupling line are coupled with the resonator, and the input piece is used for inputting an electric signal. According to the broadband filtering device and the multi-system access platform provided by the invention, the problem that the bandwidth is relatively narrow when a filtering device works in the prior art is solved.

Localized heating can be provided using fixed-frequency planar transmission line resonators arranged along a main-line, and tuning an electromagnetic input signal frequency applied to the main line to selectively address and energize one or more planar resonators for also addressing and energizing one or more correspondingly located active substrate transducer heat sources for depositing heat in an adjacent active substrate. More generally, adjusting input signal frequency to select one or more planar resonators arranged along a main line can be used to selectively address and energize an electromagnetic-to-heat, an electromagnetic-to-vibration, or other transducer to controllably direct energy toward a desired transducer load.