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31results about How to "Achieving UWB" patented technology
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Integrated four-point differential feed low-profile dual-polarized oscillator unit and base station antenna
InactiveCN108134197AHigh gainImprove efficiencyAntenna supports/mountingsRadiating elements structural formsDielectric substrateElectricity
Owner:SHANGHAI AMPHENOL AIRWAVE COMM ELECTRONICS
Ultra wide band cup-shaped monopole antenna
InactiveCN101814652AEnables multi-band operationAchieving UWBSimultaneous aerial operationsAntenna supports/mountingsPhysicsMonopole antenna
The invention relates to a printing cup-shaped monopole antenna applied in ultra wide band communication. The antenna adopts a substrate integrated waveguide feed and plane printing technology and is suitable for ultra wide bands, multi-band frequency application occasions requiring to realize plane integration on the antenna and a system. The antenna comprises a radiating element (7), a metal ground plane (2), a medium substrate (3) and a coplanar waveguide feed part (1), wherein the radiating element (7) and the coplanar waveguide feed part (1) are arranged on the same side of the medium substrate (3); the thickness (8) of the medium substrate is 2 mm; the middle of the radiating element (7) is provided with three circular holes (4); the semicircular bottom end of the radiating element (7) is connected with the coplanar waveguide feed part (1); and the top end of the semicircular radiating element (7) is formed by a notch (5) and an open circuit short branch knot (6), wherein the other surface of the medium substrate is not provided with a metal plate. Compared with the traditional monopole antenna, the printing cup-shaped monopole antenna has low manufacture cost, can be integrated with a microstrip circuit and also has the characteristics of the ultra wide bands and the omnibearing characteristic.
Owner:CHONGQING UNIV
Ultra-wideband microstrip antenna based on rectangular stepped structural fractal
InactiveCN105896070AAchieve Impedance MatchingHigh bandwidthRadiating elements structural formsAntennas earthing switches associationUltra-widebandDielectric substrate
The invention discloses an ultra-wideband microstrip antenna based on the rectangular stepped structural fractal. The ultra-wideband microstrip antenna includes a dielectric substrate, a metal ground plate, a radiation patch unit and an impedance matching microstrip feeder. The radiation patch unit and the impedance matching microstrip feeder are arranged on the front of the dielectric substrate. The metal ground plate is arranged on the back of the dielectric substrate. The radiation patch unit includes a first-order fractal structure, a tapered slot structure, a second-order fractal structure and a transform matching microstrip feeder. The first-order fractal structure includes a first rectangular radiation patch, a second rectangular radiation patch and a third rectangular radiation patch which are arranged in an inverted ladder shape. The central portion of the first-order fractal structure is provided with the tapered slot structure which is self-similar to the first-order fractal structure. The central portion of the tapered slot structure is provided with the second-order fractal structure. By adopting a new fractal structure, the invention broadens the frequency band of the antenna, reduces the size of the antenna and enables the antenna to meet ultra-wideband characteristics in 3GHz-12.9GHz. Meanwhile, the antenna is simple in structure, low in profile, and easy to install and integrate.
Owner:ZHENGZHOU UNIVERSITY OF LIGHT INDUSTRY
Circularly polarized microstrip patch antenna
PendingCN110176663AGood circular polarization performanceEasy to processAntenna supports/mountingsAntenna adaptation in movable bodiesMicrostrip patch antennaGuidance system
The invention discloses a circularly polarized microstrip patch antenna. The antenna comprises a conductive grounding plane, a dielectric substrate arranged on the conductive grounding plane, a radiation sheet arranged at the top of the dielectric substrate and a plurality of feed probes arranged on the side walls of the periphery of the dielectric substrate; the dielectric substrate comprises a lower-layer high-dielectric-constant dielectric substrate and an upper-layer low-dielectric-constant dielectric substrate; the radiation sheet is a sheet-shaped circular metal conductor; and a gear-shaped opening of a symmetrical structure is formed in the middle of the radiation sheet. A gradient folding type side coupled feed mode is adopted; the feed probes are gradually bent; the processing issimple; relatively wide bandwidth is easily formed; the circular polarization performance of the antenna is improved; the phase center is stable; right-handed and left-handed circular polarization canbe realized at the same time; the antenna is especially suitable for accurate measurement and guidance system terminal equipment; the two dielectric substrates with different dielectric constants areadopted; and the designed antenna is small in size, light in weight and wide in gain bandwidth which can reach more than 25%.
Owner:江苏三和欣创通信科技有限公司
Array antenna beam adjustment device and array antenna with adjustable beam width
PendingCN109119760AAdjust any frequency band beamAdjust beam widthAntenna arraysAntenna supports/mountingsUltra-widebandRadiation pattern
The invention provides an array antenna beam adjustment device and an array antenna with an adjustable beam width, which relate to the technical field of mobile communication base station antennas. The array antenna beam adjustment device comprises at least one parasitic radiation unit; the parasitic radiation unit is arranged beside an array radiation unit with a to-be-adjusted beam width; the parasitic radiation unit is electromagnetically coupled with the array radiation unit in a preset frequency band to change the beam width of the radiation pattern of the array radiation unit in the preset frequency band. According to the array antenna beam adjustment device and the array antenna with the adjustable beam width, the beams of any frequency band of the array antenna can be adjusted, other frequency bands which do not need to be adjusted are not influenced, and ultra wideband of the whole working frequency band is realized.
Owner:南京澳博阳射频技术有限公司
Ultra wide band miniature fractal antenna
InactiveCN102522633AReduce cross-polarization levelsImprove pattern characteristicsElongated active element feedMetal stripsMiniaturization
The invention discloses an ultra wide band miniature fractal antenna which mainly comprises a ground plate, a twin-whip antenna and an impedance conversion transmission wire, wherein the twin-whip antenna comprises two metal columns vertically arranged on the ground plate; the impedance conversion transmission wire is arranged on the upper surface of the ground plate and is embedded between two metal columns of the twin-whip antenna; the impedance conversion transmission wire comprises at least two metal strips with different widths, the metal strips are arranged according to the order of from small width to big width and connected in an iteration manner in the length direction of the metal strips, wherein the metal strip with minimum width is connected with one metal column of the twin-whip antenna and the metal strip with maximum width is connected with the other metal column of the twin-whip antenna. The ultra wide band miniature fractal antenna can keep wider frequency band, higher radiation efficiency and better directional diagram characteristics while the size of the antenna is effectively reduced.
Owner:GUILIN UNIV OF ELECTRONIC TECH
Multi-passband and ultra wide band switchable UWB filter based on switch principle
InactiveCN105789747ASimple designCompact structureWaveguide type devicesResonanceDielectric substrate
The invention discloses a multi-passband and ultra wide band switchable UWB filter based on a switch principle. The filter is composed of multimode resonance patches (101) which are arranged on the upper surface of a dielectric substrate and are symmetrical, port patches (102), microstrip transmission lines (103), the dielectric substrate (104) and a metal ground plate (105) under the dielectric substrate. According to the filter, through utilization of the multimode resonance patches, the ultra wide band is realized; two states of the multiple passbands and the ultra wide band are switched according to whether a switch patch exists or not. The filter is simple in design structure, compact in structure, micronized in structure, convenient in processing, high in realization performance and low in cost. The two states of the multiple passbands and the ultra wide band can be switched at any time. The filter provided by the invention has a good state switch advantage. The state can be selected at any time according to a demand. Great convenience is brought to the practical application of a project.
Owner:HARBIN HESON SCI & TECH
Millimeter wave dual-polarization near-field measurement probe
ActiveCN111610378AReduce diffraction effectsGuaranteed performanceElectrical measurement instrument detailsElectrical testingDiffraction effectMillimetre wave
The invention discloses a millimeter wave dual-polarization near-field measuring probe comprising a gradual change circular waveguide with the caliber gradually increasing in an opening direction, a straight circular waveguide arranged at the starting end of the gradual change circular waveguide and extending in the direction opposite to the opening direction, a short circuit plate arranged at theend of the straight circular waveguide, and four ridge pieces arranged in the two sections of circular waveguide and distributed in a crossed mode. Two feed connectors perpendicular to each other areconnected to the outer portion of the straight circular waveguide and feed the two pairs of ridge pieces respectively to realize vertical / horizontal dual polarization of the antenna. According to theinvention, the circular waveguide composed of the gradual change circular waveguide and the straight circular waveguide is adopted; four ridge pieces which are distributed in a cross shape are arranged in the two sections of circular waveguides, optimization processing is conducted on the four ridge pieces, arc processing is conducted on the open-circuit ends of the waveguides, so that the diffraction effect generated by transmission of electromagnetic waves to a free space between ridges is reduced, and then the performance of a directional diagram is guaranteed. Meanwhile, step processing is adopted at the short-circuit end, and return loss matching can be adjusted by adjusting parameters of steps.
Owner:赵鲁豫
Ultra-wideband conformal multi-dielectric-body dielectric resonator antenna and working method
InactiveCN110854511AAchieving UWBAchieve stabilizationAntenna adaptation in movable bodiesRadiating elements structural formsUltra-widebandDielectric resonator antenna
The invention provides an ultra-wideband conformal multi-dielectric-body dielectric resonator antenna and a working method. The ultra-wideband conformal multi-dielectric-body dielectric resonator antenna comprises a dielectric resonator, a floor, a dielectric substrate, a feed port, a feed slot and a feed line. The floor and the dielectric substrate are arc-shaped. The dielectric resonator comprises a first dielectric resonator and a second dielectric resonator. The first dielectric resonator and the second dielectric resonator are arc-shaped and conformal with the arc of the floor. The firstdielectric resonator and the second dielectric resonator have the same arc radius and different radians. The dielectric constants of the first dielectric resonator and the second dielectric resonatorare different. The antenna is fed by the feed line from the feed port, and then, electromagnetic wave energy is coupled and conducted to the first dielectric resonator and the second dielectric resonator on the upper surface through the feed slot in the floor. The center of the feed slot coincides with the center of the floor and coincides with the center of the whole dielectric resonator. The ultra wide band and stable gain performance are achieved by adopting the convex floor and the convex multi-dielectric-body dielectric resonator.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA +1
Radio frequency wideband frequency agility frequency source
The application discloses a radio frequency wideband frequency agility frequency source. The radio frequency wideband frequency agility frequency source comprises a frequency reference module, a baseband module, a local oscillator module and a frequency conversion module; the frequency reference module is used to output a 1000MHz reference signal to the baseband module and output a 1000MHz excitation signal to the local oscillator module; the baseband module is used to output a 200MHz to 400MHz baseband signal to the frequency conversion module; the local oscillator module is used to output six point frequency signals to the frequency conversion module, wherein the output frequency range of the point frequency signals is 10GHz to 20GHz and the frequency interval is 2GHz; and the frequencyconversion module is used to extend the frequency of the 200MHz to 400MHz baseband signal, so that the output signal frequency covers 1.25-20GHz. Compared with the traditional frequency source, the scheme disclosed by the invention has better indexes and a smaller structure size.
Owner:BEIJING INST OF RADIO METROLOGY & MEASUREMENT
Dipole ground penetrating radar antenna and ground penetrating radar system
PendingCN113745824ABalanced feedAvoid distortionRadiating elements structural formsAntennas earthing switches associationOmnidirectional antennaCoaxial line
The invention discloses a dipole ground penetrating radar antenna and a ground penetrating radar system. The dipole ground penetrating radar antenna comprises a fixing pipe, two dipole units symmetrically sleeve the outer side of the fixing pipe, and a feed hole is formed in a gap between the two dipole units; a coaxial cable is arranged in the fixing pipe in a penetrating manner, one end of the coaxial cable penetrates through the feed hole and then is connected with the two dipole units, and the other end of the coaxial cable is connected with a signal source; and the coaxial cable comprises a coaxial cable body and a plurality of ferrite magnetic rings, and the plurality of ferrite magnetic rings are sequentially and continuously arranged on the outer side of a coaxial cable body in a sleeving manner. According to the dipole ground penetrating radar antenna and the ground penetrating radar system of the invention, the coaxial cable passes through the fixing pipe to form a novel balun structure; and according to the coaxial cable, the ferrite magnetic rings are arranged on the outer side of the coaxial cable body, the high-resistance choke function of the ferrite magnetic ring is utilized, current on arms of the dipole units is effectively prevented from flowing to the outer side surface of the coaxial cable, it is ensured that the current on the two arms of the dipole units is equal, balanced feed is achieved, distortion of an antenna directional pattern is avoided, and an omnidirectional antenna is realized.
Owner:XI AN JIAOTONG UNIV
Multi-mode resonance-based ultra-wideband filter
The invention discloses a multi-mode resonance-based ultra-wideband filter, which comprises an open-circuit stub structure (1), microstrip feeder structures (2) and (3) and a ground surface (5) on the lower surface of a dielectric plate. The ultra-wideband is achieved by an interdigital coupling structure formed by transmission microstrip lines in the open-circuit stub structure and the microstrip feeder structures. The related filter has small return loss and insertion loss, good low-frequency characteristic and harmonics inhibition property. The filter is simple in design, compact in structure, attractive in appearance, convenient to process and low in cost, and can achieve 3.1-10.6GHz ultra-wideband.
Owner:HARBIN HESON SCI & TECH
Ultra wide band millimeter wave vertical interconnection structure based on HTCC
ActiveCN114006139AIncrease working frequencyImprove reliabilitySemiconductor/solid-state device detailsSolid-state devicesUltra-widebandCoplanar waveguide
The invention provides an ultra wide band millimeter wave vertical interconnection structure based on an HTCC, and belongs to the technical field of radio frequency interconnection. The vertical interconnection structure comprises an HTCC substrate and a PCB mother board. The HTCC substrate and the PCB mother board are sequentially connected in series with a transmission sub-structure which is formed by a first coplanar waveguide, a first class coaxial, a first strip line, a second class coaxial, a second strip line and a second coplanar waveguide. The invention provides the ultra wide band millimeter wave vertical interconnection structure based on a mature HTCC process technology for SIP adopting the HTCC as a substrate material, and the radio frequency vertical interconnection structure realizes excellent electrical characteristics of high working frequency, wide working frequency band, low insertion loss and the like, and has the characteristics of easiness in processing, high reliability and the like.
Owner:CHENGDU SEEKCON MICROWAVE COMM
Novel high-selectivity ultra-wide-band band-pass filter
The invention discloses a novel high-selectivity ultra-wide-band band-pass filter. The filter comprises open circuit stub structures (3) and (8), a 50-ohm-stub microstrip structure (5) and an open-dumbbell-shaped ground (9) on the lower surface of a dielectric plate. The filter adopts an interdigital coupling structure formed by three 50-ohm transmission microstrip lines to realize the ultra wide band. The filter provided by the invention has low return loss and insertion loss, a good low-frequency characteristic and high harmonic rejection capability; and meanwhile, the filter is simple in design, compact in structure, attractive in appearance, convenient to process, low in cost, and capable of realizing the 3.1-10.6GHz ultra wide band.
Owner:HARBIN HESON SCI & TECH
Doherty radio frequency power amplifier module based on novel DreaMOS technology and output matching network of Doherty radio frequency power amplifier module
PendingCN114553149AHigh efficiency miniaturizationHigh bandwidthPower amplifiersAmplifier modifications to raise efficiencyRadio frequencyWide band
The invention discloses a Doherty radio frequency power amplifier module based on a novel DreaMOS technology and an output matching network of the Doherty radio frequency power amplifier module. The output matching network comprises a main parasitic capacitor, an auxiliary parasitic capacitor and an inductor, one end of the main parasitic capacitor is connected with a drain electrode of a main path amplifier, and the other end of the main parasitic capacitor is connected with the inductor; one end of the auxiliary stray capacitor is connected with a drain electrode of the auxiliary circuit amplifier, the other end of the auxiliary stray capacitor is connected with the inductor, the main circuit amplifier and the auxiliary circuit amplifier are connected in parallel, the main circuit amplifier and the auxiliary circuit amplifier are DreaMOS transistors, and the main stray capacitor and the auxiliary stray capacitor are respectively a stray capacitor in the main DreaMOS transistor and a stray capacitor in the auxiliary DreaMOS transistor. According to the Doherty radio frequency power amplifier, the DreaMOS technology is adopted, the function of an output matching circuit in the Doherty radio frequency power amplifier is simply and efficiently achieved, and meanwhile ultra wide band, high efficiency and miniaturization are achieved.
Owner:KUNSHAN HUATAI ELECTRONICS TECH CO LTD
Ultra-wideband single-layer slot array antenna based on slot gap waveguide
ActiveCN113794061ASimple structureAchieving UWBParticular array feeding systemsSimultaneous aerial operationsUltra wideband antennasEngineering
The invention discloses an ultra-wideband single-layer slot array antenna based on slot gap waveguide, and relates to the technical field of millimeter wave ultra-wideband antennas. The array antenna comprises a metal bottom plate, a slot gap waveguide and a ridge gap waveguide are formed on the upper surface of the metal bottom plate, a plurality of periodic metal pins are formed on the upper surface of the metal bottom plate except the slot gap waveguide and the ridge gap waveguide, the upper surface of each metal pin is covered with an upper metal plate, a plurality of sets of U-shaped grooves are formed in the lower surface of the upper-layer metal plate, and the size of the metal columns corresponding to the U-shaped grooves is smaller than that of the metal pins on the outer sides of the U-shaped grooves. The array antenna has the advantages of ultra wide band, simple structure, compact array unit, better loss performance than a conventional microstrip device and the like.
Owner:北京星英联微波科技有限责任公司
An RF Broadband Agile Frequency Source
ActiveCN107835014BAchieving UWBFine resolutionPulse automatic controlFrequency conversionSoftware engineering
The application discloses a radio frequency wideband frequency agility frequency source. The radio frequency wideband frequency agility frequency source comprises a frequency reference module, a baseband module, a local oscillator module and a frequency conversion module; the frequency reference module is used to output a 1000MHz reference signal to the baseband module and output a 1000MHz excitation signal to the local oscillator module; the baseband module is used to output a 200MHz to 400MHz baseband signal to the frequency conversion module; the local oscillator module is used to output six point frequency signals to the frequency conversion module, wherein the output frequency range of the point frequency signals is 10GHz to 20GHz and the frequency interval is 2GHz; and the frequencyconversion module is used to extend the frequency of the 200MHz to 400MHz baseband signal, so that the output signal frequency covers 1.25-20GHz. Compared with the traditional frequency source, the scheme disclosed by the invention has better indexes and a smaller structure size.
Owner:BEIJING INST OF RADIO METROLOGY & MEASUREMENT
Novel high-selectivity ultra wide band band-pass filter
A novel high-selectivity ultra wide band band-pass filter disclosed by the present invention is composed of an open circuit stub structure (3), 50-Ohm stub microstrip structures and a metal grounding plate which is on the lower surface of a dielectric slab and is equipped with a dumbbell-shaped groove. The novel high-selectivity ultra wide band band-pass filter of the present invention utilizes an intersected coupling structure composed of three 50-Ohm transmission microstrip lines to realize the ultra wide band, has very small return loss and insertion loss and the good low-frequency characteristic and the harmonic suppression performance, is simple in design, compact in structure, beautiful in appearance and low in cost, is convenient to process, and can realize the ultra wide band of 3.1-10.6 GHz.
Owner:HARBIN FEIYU TECH
In-band notch broadband antenna applied to wireless local area network (WLAN) frequency band
ActiveCN113471677AIncrease the effective current lengthExtended pathRadiating elements structural formsAntenna earthingsDielectric substrateEngineering
The invention discloses an in-band notch broadband antenna applied to a wireless local area network (WLAN) frequency band. The in-band notch broadband antenna comprises a dielectric substrate; a radiation patch arranged on the upper surface of the dielectric substrate; a microstrip feeder line arranged on the upper surface of the dielectric substrate and connected with the radiation patch; and a metal grounding plate arranged on the lower surface of the dielectric substrate, wherein a first groove is formed in the radiation patch, two axisymmetric radiation branches are arranged in the first groove, the two radiation branches are not contacted, each radiation branch comprises a first branch and a second branch perpendicular to the first branch, one end of the first branch is connected with the radiation patch, the other endof the first branch is connected with the second branch, a second groove is etched in the metal grounding plate, and the position of the second groove corresponds to the microstrip feeder line. According to the invention, the peak value of VSWR is regulated and controlled by adjusting the distance d from the bottom edge of the first groove to the feed port, and the peak value position of the VSWR is regulated and controlled by adjusting the distance g between the two radiation branches.
Owner:HANGZHOU DIANZI UNIV
Circularly polarized antenna element
ActiveCN114284711AIncrease standing wave bandwidthImproved impedance matching debuggabilityRadiating elements structural formsAntenna earthingsUltra-widebandCircularly polarized antenna
The invention discloses a circularly polarized antenna element, and belongs to the technical field of antennas. The circularly polarized antenna element comprises a first dielectric substrate, a second dielectric substrate and a grounding plate which are stacked in sequence. The top surface of the first dielectric substrate is provided with a radiation patch. The second dielectric substrate is provided with a metal wafer and two L-shaped feed structures, the second dielectric substrate is provided with a first through hole and a plurality of second through holes, each L-shaped feed structure comprises a feed probe and a feed line, each feed probe vertically penetrates through the second dielectric substrate and the grounding plate, each feed line comprises a bonding pad part, a connecting part and a fan-shaped part, and the bonding pad part is connected with the connecting part. The small ends of the fan-shaped parts are connected with the bonding pad parts through the connecting parts, and the edges of the two sides of each fan-shaped part are provided with a plurality of notches which are symmetrically arranged along the central axis of the fan-shaped part. According to the circularly polarized antenna element provided by the embodiment of the invention, the coupling effect between the two feeder lines can be effectively weakened, the standing wave bandwidth of the antenna can be effectively improved, and an ultra wide band is realized.
Owner:HUBEI SANJIANG SPACE XIANFENG ELECTRONICS&INFORMATION CO LTD
Ultra-Wideband Microstrip Antenna Based on Rectangular Ladder Structure Fractal
InactiveCN105896070BAchieve Impedance MatchingHigh bandwidthRadiating elements structural formsAntennas earthing switches associationUltra-widebandDielectric substrate
Owner:ZHENGZHOU UNIVERSITY OF LIGHT INDUSTRY
Ground target positioning test device
PendingCN114200437AImprove featuresRealize long-distance detectionRadio wave reradiation/reflectionBeam angleSoftware engineering
The invention relates to a ground target positioning testing device which comprises a transmitting antenna and a receiving antenna, the transmitting antenna is a broadband wide-beam antenna, the receiving antenna is a broadband narrow-beam array antenna, the working frequency of the transmitting antenna is 2.5-4 GHz, the beam width is larger than 90 degrees, and the beam angle of the receiving antenna is smaller than 10 degrees. The broadband wide-beam antenna is a planar tapered slot slit Vivaldi antenna, and the broadband narrow-beam array antenna is formed by arranging eight planar tapered slot slit Vivaldi antennas as array elements. According to the invention, the beam width of the transmitting antenna is improved, the beam width of the receiving antenna is reduced, the miniaturization requirement is met, the antenna can be used for high-power transmission and long-distance target detection, and the accuracy of target positioning is improved.
Owner:SOUTHEAST UNIV
An Ultra-Wideband High Power Miniaturized Power Splitter
ActiveCN108346845BSmall spread reflectionAchieving UWBCoupling devicesUltra-widebandDielectric plate
The invention discloses a UWB (ultra wide band) high-power miniature power divider, and the power divider comprises a multi-stage air stripline network, a metal separator plate, and a multi-stage microstrip network. The multi-stage air stripline network comprises a first impedance matching conversion part. The multi-stage microstrip network comprises a dielectric plate, and the lower end face of the dielectric plate is provided with a microstrip layer. The microstrip layer is provided with two second impedance matching conversion parts, and the two second impedance matching conversion parts are distributed at two sides of the first impedance matching conversion part, and are connected with the first impedance matching conversion part through a vertical transition. The vertical transition comprises a rectangular metal plate and a metal cylinder. The metal plate is bent to form a right angle, and the vertical transition passes through the metal separator plate and the dielectric plate, and is connected with the first and second impedance matching conversion parts. The power divider is advantageous in that the vertical transition enables the multi-stage air stripline network and the multi-stage microstrip network to be connected for combined use, so as to meet the UWB, high-power and miniature requirements of the power divider.
Owner:CHINA ELECTRONIC TECH GRP CORP NO 38 RES INST
U-shaped groove based UWB band-pass filter
The invention discloses a U-shaped groove based UWB band-pass filter. The filter comprises open circuit stub structures (1) and (2), a 50-ohm-stub microstrip structure (5) and a ground (9) on the lower surface of a dielectric plate. The filter adopts an interdigital coupling structure formed by three 50-ohm transmission microstrip lines to realize the ultra wide band. The filter provided by the invention has low return loss and insertion loss, a good high low-frequency characteristic and high harmonic rejection capability; and meanwhile, the filter is simple in design, compact in structure, attractive in appearance, convenient to process, low in cost, and capable of realizing the 3.1-10.6GHz ultra wide band.
Owner:HARBIN HESON SCI & TECH
Multimode paster UWB band-pass filter
The invention discloses a multimode paster UWB (Ultra Width Band) band-pass filter. The fitler is composed of multimode resonance pasters (101) arranged symmetrically on the upper surface of a medium substrate (104), port pasters (102), micro-strip transmission lines (103), the medium substrate (104) and a metal grounding board (105) below the medium substrate. According to the invention, the multimode resonance pasters are utilized for realizing the UWB band-pass filter. The ring-shaped pasters are utilized for realizing multiple modes and the mode number is adjustable. The multimode paster UWB band-pass filter is simple and compact in structure, small in size, convenient for processing, high in implementability, low in cost, ultra wide in band width and adjustable in mode number. The multimode paster UWB band-pass filter provided by the invention has good in-pass band selection features. The selectivity is good and can allow more signals to pass. The multimode paster UWB band-pass filter has high practical value.
Owner:HARBIN HESON SCI & TECH
20GHz ultra-wideband combiner provided with isolation degree
InactiveCN105870557ASimple structureExcellent technical indicatorsWaveguide type devicesUltra-widebandMicrowave
The invention discloses a 20GHz ultra-wideband combiner provided with an isolation degree, comprising a metal box body, a cover plate, a magnet ring and a microwave planar circuit board, wherein the microwave planar circuit board is designed based on the principle of a 6dB bridge type composite resistor network, a first radio frequency connector, a second radio frequency connector and a third radio frequency connector are respectively arranged on the metal box body, both the microwave planar circuit board and the magnet ring are built in the metal box body, the microwave planar circuit board is connected to the first radio frequency connector, the second radio frequency connector and the third radio frequency connector respectively, the magnet ring sleeves a position where the microwave planar circuit board is connected to the third radio frequency connector, and the cover plate covers the metal box body. The 20GHz ultra-wideband combiner provided with the isolation degree disclosed by the invention has the advantages of simple structure, small volume, low cost, good technical indicators, easiness for implementation and commissioning and capability of not only realizing 20GHz ultra wideband but also meeting requirements for applications in civil mobile communication, optical communication and some special frequency fields, and is provided with two input ports with a higher isolation degree.
Owner:杨军
Multimode resonance based reconstructed paster UWB filter
The invention discloses a multimode resonance based reconstructed paster UWB filter. The filter is composed of a reconstructed paster (101) arranged on the upper surface of a medium substrate, port pasters (102), micro-strip transmission wires (103), the medium substrate (104) and a metal grounding board (105) below the medium substrate. According to the invention, the reconstructed paster is utilized for realizing the UWB-to-multimode filter. The filter provided by the invention is simple and compact in structure, small in size, convenient for processing, high in implementability, low in cost, ultra wide in band width and multiple in mode number. The multimode resonance based reconstructed paster UWB filter provided by the invention has in-pass band selection features. The selectivity is good. The multimode resonance based reconstructed paster UWB filter has high practical value.
Owner:HARBIN HESON SCI & TECH
Ultra-wideband dielectric resonator antenna module and electronic equipment
PendingCN113437489AImprove machining accuracyReduce volumeSimultaneous aerial operationsRadiating elements structural formsFrequency bandDielectric substrate
The invention discloses an ultra-wideband dielectric resonator antenna module and electronic equipment, the ultra-wideband dielectric resonator antenna module comprises a dielectric substrate and at least one antenna unit, the dielectric substrate comprises a first surface and a second surface which are opposite to each other, the antenna unit comprises a dielectric resonator, and the dielectric resonator is arranged on the first surface of the dielectric substrate; the shape of the dielectric resonator is a triangular prism, the bottom surface of the triangular prism is an isosceles triangle, the height of the isosceles triangle is 0.36 lambda-0. 4 lambda, the height of the dielectric resonator is 0.36 lambda-0. 4 lambda, and lambda is the wavelength length; and the dielectric resonator is a ceramic dielectric resonator. The antenna bandwidth can be increased, and the coverage frequency band is wide.
Owner:SHENZHEN SUNWAY COMM
Planar ultra-wideband ground penetrating radar antenna
ActiveCN114374088AEffective radiationImprove performanceSimultaneous aerial operationsRadiating elements structural formsUltra-widebandBorehole radar
The invention discloses a planar ultra-wideband ground penetrating radar antenna, which comprises two branch units, the two branch units are symmetrically arranged on the upper surface of a dielectric substrate, and a feed gap is arranged between the two branch units; the feed structure is arranged at the feed gap, and the output end of the feed structure is connected with the two branch units respectively; the branch unit comprises two first branches, two second branches and a third branch which are arranged on the upper surface of the dielectric substrate; wherein the two first branches are arranged in parallel at an interval; the two second branches are arranged in parallel at an interval and are both located between the two first branches; the third branch knot is arranged between the two second branch knots; the lengths of the first branch knot, the second branch knot and the third branch knot are sequentially increased; the branch knots with different lengths are utilized to form a plurality of resonance points, so that the bandwidth is effectively expanded, the ultra wide band is realized, effective radiation of signals in a borehole radar system is ensured, and the performance of the radar system is improved.
Owner:XI AN JIAOTONG UNIV
Ultra-wideband single-layer slot array antenna based on slot-gap waveguide
ActiveCN113794061BSimple structureAchieving UWBParticular array feeding systemsSimultaneous aerial operationsUltra wideband antennasEngineering
The invention discloses an ultra-wideband single-layer slot array antenna based on a slot-gap waveguide, and relates to the technical field of millimeter-wave ultra-wideband antennas. The array antenna includes a metal base plate, the upper surface of the metal base plate is formed with a slot gap waveguide and a ridge gap waveguide, and the upper surface of the metal base plate other than the slot gap waveguide and the ridge gap waveguide is formed with several periodic A metal pin, the upper surface of the metal pin is covered with an upper metal plate, and several groups of U-shaped grooves are formed on the lower surface of the upper metal plate, and the size of the metal column corresponding to the U-shaped groove is smaller than that of the U-shaped The size of the metal pin on the outside of the slot. The array antenna has the advantages of ultra-wideband, simple structure, compact array unit, better loss performance than traditional microstrip devices, and the like.
Owner:北京星英联微波科技有限责任公司
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