39 results about "Maximum gain" patented technology

An aircraft radome and radar assembly includes: a radome arranged on the nose of the aircraft; a radar inside the radome, the radar operating in the millimeter domain and including a transmission antenna for emitting a TM polarized wave and a reception antenna; the radome includes an integrated window in front of the radar, the window being of a material transparent to millimeter waves; the radar being arranged so the angle between the maximum gain direction of the transmission antenna and the normal to the window is within an angular range [θB−θ1; θB+θ2], with OB being the Brewster angle for an air / window interface, θ1 and θ2 determined to obtain reflectivity at said air / window interface less than a predefined threshold; and an isolation partition between the transmission antenna and the reception antenna, the isolation partition being substantially in contact with the window and with the radar.

This invention relates to a pattern-reconfigurable antenna based on artificial surface plasmon polaritons (SSPPs), belonging to the field of antenna technology. The antenna includes a coplanar waveguide feed line, a transition structure, a reconfigurable SSPP waveguide, and periodic radiating elements. The reconfigurable SSPP waveguide modifies the dispersion characteristics by adding a varactor diode to a traditional SSPP element and adjusting the capacitance value using a bias circuit. The periodic radiating elements are elliptical patches with rectangular slots, coupled to the reconfigurable SSPP waveguide to radiate electromagnetic waves. This invention solves the problems of single radiation direction in traditional antennas and low gain in existing reconfigurable antennas. It achieves fixed-frequency beam scanning (maximum 23°) and frequency beam scanning (maximum 90°) in the 11.5GHz-15GHz frequency band, with gains greater than 9dBi (maximum 11.1dBi), expanding the detection range and increasing the detection distance, making it suitable for fields such as UAV detection.

The application belongs to the technical field of wireless communication, and relates to the structural design of a broadband antenna, and specifically provides a low-profile broadband dual-polarized metasurface antenna which is composed of a microstrip feed network 5, a lower layer dielectric substrate 4, a metal floor 3, an upper layer dielectric substrate 2 and a metasurface radiation array 1 which are sequentially stacked from bottom to top. The structure of the metasurface radiation array is creatively designed through eigenmode analysis, so that the strongest current is regulated to the central rectangular patch, thereby enabling the microstrip feed structure to excite vertical and horizontal polarization radiation modes through the cross-shaped slot on the metal floor, realizing the dual-polarization and broadband characteristics of the antenna. Finally, the bandwidths of the two ports of the antenna cover 3.42-6.09 GHz and 3.56-6.24 GHz respectively, the relative bandwidths are 56.15% and 54.69% respectively, the maximum gains of the two ports in the passband can reach 10.4 dBi and 11.0 dBi respectively, and the profile height is only 0.085λ0. Moreover, the application has the advantages of simple structure, wide bandwidth, low profile, low processing and assembling difficulty and the like.

The application discloses a large-aperture array antenna subarray structure adjustment method facing electrical performance, and comprises the following steps: S1, determining maximum gain loss; S2, establishing sensitivity distribution matrix; S3, calculating position tolerance distribution weight; S4, giving initial installation tolerance standard; S5, calculating position tolerance distribution matrix; S6, generating position error random sample; S7, calculating antenna electrical performance; S8, judging whether the position error random sample meets the requirement; S9, calculating new position tolerance standard; and S10, calculating maximum allowed structure adjustment amount. The application can realize the target of taking antenna electrical performance as the target, quantitatively giving the subarray structure adjustment amount of different regions of a large-aperture array antenna, strictly requiring the structure precision of the subarray in the region with high electrical performance sensitivity, appropriately reducing the structure precision requirement in the region with low electrical performance sensitivity, reducing the processing and manufacturing difficulty of the large-aperture array surface, improving the adjustment efficiency of the large-aperture array antenna, and guaranteeing the high performance of the array antenna.

The present application relates to the technical field of optical communications, and specifically relates to an adaptive control method and system for a transmitter gain of an LPO optical module, and an optical module. The method comprises the following steps: acquiring a maximum gain peak value and an output amplitude acquisition value of an LPO optical module state machine in a normal operating state; performing fitting calculation on the basis of the output amplitude acquisition value and a peak value control look-up table to determine a comprehensive output amplitude; comparing the comprehensive output amplitude with a target gain; and optical module firmware adaptively adjusting the transmitter gain of an LPO optical module on the basis of a comparison result and by considering the maximum gain peak value. In the present application, different switch ports and different high and low temperature environments can be adaptively matched, so that the matching efficiency between an LPO optical module and a switch can be effectively improved, thereby reducing unnecessary labor construction costs and maintenance costs of an application end and various errors and deviations caused by manual debugging.

The invention discloses a millimeter wave dual-circular polarization multi-beam antenna based on a polarization grating lens. The millimeter wave dual-circular polarization multi-beam antenna comprises a dielectric polarization grating lens and a millimeter wave + / -45-degree dual-linear polarization antenna array. According to the multi-beam antenna, a + / -45-degree dual-line polarization planar antenna array is used as a feed source and is placed on a horizontal focal plane of a dielectric polarization grating lens, and dual-circular polarization beam scanning is realized by exciting different ports of the feed source array. Each perforated column in each layer of the dielectric polarization grating lens has dielectric constants in radial gradient distribution and anisotropy in horizontal and vertical directions, and can convert + / -45-degree dual-linear polarization into dual-circular polarization while converting spherical waves into plane waves to improve antenna gain. The planar lens and the polarization grid structure are integrated, the system size is effectively reduced, + / -50-degree dual circular polarization beam scanning is achieved, the axial ratio bandwidth reaches 21.8% (24.5-30.5 GHz), and the maximum gain reaches 19.2 dBic.

A radio transmission system of which the radio-wave propagation environment is improved is provided. A radio transmission system comprises a base station configured to perform radio communication in a frequency band within a range of 1 GHz or higher and 300 GHz or lower; a first reflector configured to reflect a direct wave emitted from the base station; and a second reflector configured to reflect an electromagnetic wave reflected by the first reflector, wherein when a maximum gain of a transmitting antenna of the base station is 5 dBi or higher and 30 dBi or lower, a sum total of a first straight-line distance D1 from the base station to the first reflector and a second straight-line distance D2 from the first reflector to the second reflector is 2.5 m or longer and 250.0 m or shorter.

The invention discloses a large-scale MIMO beam training method and device, and the method comprises the steps: constructing a shared training system composed of a basic DFT codebook, a frequently repeated code target response matrix and a corresponding combined coding codebook, and carrying out the maximum posteriori decoding based on an energy observation sequence, thereby enabling the maximum posteriori decoding to be carried out under the time delay constraint condition that the number of training rounds is limited, and achieving the maximum posteriori decoding. And the beam forming vector with the maximum gain can still be accurately selected at a high probability. Compared with a traditional exhaustive search method, the inquiry frequency of beam training is remarkably reduced; compared with binary search and convolutional coding search schemes, the decoding accuracy is improved under the same number of training rounds, so that beam training performance improvement with low time delay and high accuracy considered is realized.

Adaptive acquisition control including limited luminance motion blur reduction for image and video acquisition and processing includes obtaining a target gain value and a target exposure duration value by obtaining a current scene luminance value, obtaining a current maximum gain using the current scene luminance value, obtaining a current interpolated gain-exposure duration curve using the current maximum gain and a current angular speed value, and obtaining the target gain value and the target exposure duration value from the current interpolated gain-exposure duration curve in accordance with a current maximum exposure duration. Adaptive acquisition control including limited luminance motion blur reduction for image and video acquisition and processing includes obtaining a frame of a video in accordance with the target scene exposition data and outputting the video.

The application discloses a beamforming method of a holographic MIMO antenna array based on a steering vector, and under the condition that a user end position is unknown, multiple code words are constructed based on the steering vector through the combination of the pitch angle and the azimuth angle of the user end relative to the antenna array, a code word with the maximum gain of a receiving end is selected from the code words according to the feedback of the user end, and the code word is used as the optimal transmitting or receiving coefficient of the antenna array. The user end only needs to feed back the corresponding information in sequence, the requirement for the feedback time delay is slightly low, the error code of the feedback information has a certain fault tolerance, the time complexity is relatively low compared with the exhaustive search method, the performance is good, the outdoor channel changing rapidly can be well responded, the robustness to the channel fluctuation is higher, and the overall power gain is improved. Moreover, under the condition that the user end position is known, the transmitting or receiving coefficient of the antenna array can be directly determined.

Aircraft Radome and Radar Assembly The invention relates to an aircraft radome and radar assembly (EAR) comprising: a radome (Rd) disposed on the nose of the aircraft (NA); a radar (Ra), disposed inside the radome (Rd), the radar (Ra) being configured to operate in the millimeter range and comprising a transmitting antenna (Tx) configured to emit a TM polarized wave and a receiving antenna (Rx); the radome (Ra) comprising a window (F) integrated in said radome, the window (F) being in a material transparent to millimeter waves, the window (F) being opposite the radar (Ra); the radar (Ra) being disposed such that the angle (θi) between the maximum gain direction (DGM) of the transmitting antenna (Tx) and the normal (N) to the window (F) is within an angular range [θB - θ1;θB + θ2], with θB being the Brewster angle for an air / window interface, θ1 and θ2 determined to obtain a reflectivity at said air / window interface below a predefined threshold; and an isolation partition (IC) disposed between the transmitting antenna (Tx) and the receiving antenna (Rx), the isolation partition (IC) being substantially in contact with the window (F) and with the radar (Ra). Figure for the abstract: Fig. 1;

The application provides a broadband high-gain metasurface antenna and array for a millimeter wave vehicle-mounted radar, comprising, from top to bottom, an air cavity dielectric substrate, a metasurface layer, a substrate patch, an upper layer dielectric substrate, a ground layer, a lower layer dielectric substrate and a feed line layer, wherein the metasurface layer is a metasurface patch group composed of 3*3 square patches, a center square patch located at the center position of the metasurface patch group is provided with a slot at the center, corner square patches located at the four corner positions of the metasurface patch group are provided with cut corners at the corners, and peripheral square patches located at the upper, lower, left and right positions of the center square patch are provided with grooves at the outer periphery; wherein the substrate patch is a substrate patch group composed of two rectangular patches arranged at intervals, the substrate patch group is arranged opposite to the metasurface patch group, has a super wideband performance of more than 650 MHz, a maximum gain greater than 6 dBi, and a radiation efficiency of more than 75%.

This invention discloses a low-profile horizontal omnidirectional scanning antenna, comprising a dielectric substrate, a central feed unit disposed on the upper and lower surfaces of the dielectric substrate, a ring-shaped parasitic unit composed of six arc-shaped patches placed around the central feed unit on the lower surface of the dielectric substrate, and six corresponding bias circuits. Each of the six arc-shaped patches of the parasitic unit is equally divided into two sub-arc-shaped patches, which are connected by pin diodes. The bias circuits consist of two inductors and two microstrip lines, used to control the state of the pin diodes. A directional mode is achieved by controlling two reverse-biased and four forward-biased pin diodes; when all diodes are forward-biased, it is in omnidirectional mode. When in directional mode, the antenna operates at 2.478 GHz, can achieve 360° beam switching, has a maximum gain of 7.44 dBi, and a minimum S11 of -27 dB.

The application discloses a kind of N77 frequency band high gain multistage low noise amplifier, N77 frequency band is 3.3GHz-4.2GHz, it is related to radio frequency circuit design field.Gallium arsenide transistor ATF54143 three-stage cascade amplification structure is used, the design purpose of first stage is to obtain minimum noise, two three-stage is to obtain maximum gain and lower flatness, input-output matching uses series microstrip structure, π type microstrip structure is used at cascade, reduce circuit noise, improve overall gain, LC trap wave filter is added at the end to improve the gain uneven problem caused by multistage cascade.Finally, the gain of the low noise amplifier is greater than 34dB, the gain flatness is ±0.4dB, the noise figure is less than 1dB, the input and output return loss is less than-10dB, the input voltage standing wave ratio VSWR1 is less than 2, the output voltage standing wave ratio VSWR2 is less than 2, the output 1dB compression point is 12.5dBm, improve the performance of poor problems such as high noise, low gain and poor stability of N77 frequency band low noise amplifier at present stage.

The application discloses a method for correcting deflection of an antenna radiation beam under a radome based on time reversal, and belongs to the technical field of radars. The method is used for processing signals received by each array element in an array antenna by using the time reversal method, and re-emitting the processed time reversal signals from the corresponding array element, so that more accurate beam pointing is achieved, and the aiming error is reduced. Based on the time reversal technology, the application can realize the effect of adaptive direction backtracking, and ensure that the target angle has the maximum gain under the target frequency; compared with a traditional phased array feeding method under the radome, the method has a better aiming error index.

The invention relates to a method for the disturbance-robust determination and / or monitoring of a measured quantity of a medium by means of photothermal spectroscopy. The method comprises a disturbance-robust control of a probe laser (2) and / or an interferometer (6) by means of a disturbance-robust control method. wherein in the disturbance-robust control method the actual value is controlled to a setpoint value (SW) by adjusting a manipulated variable (SG) of the probe laser (2), in particular a laser current of the probe laser (2), such that a frequency-dependent disturbance response (SA) - has a first frequency range (Δf1), wherein the first frequency range extends from a first frequency (f1) smaller than the detection frequency fd to a second frequency (f2) larger than the detection frequency fd, wherein for all frequencies from the first frequency range (Δf1) the disturbance response (SA) is greater than or equal to a minimum gain (Min), - has a second frequency range (Δf2) that differs from the first frequency range (Δf1), which second frequency range (Δf2) lies above the first frequency range (Δf1), in particular directly adjacent to it, wherein for all frequencies from the second frequency range (Δf2) the disturbance response (SA) is less than a maximum gain (Max), and - where the minimum gain of the first frequency range is at least as large as the maximum gain of the second frequency range. The invention further relates to a photothermal spectrometer (100) designed to carry out the method according to the invention.

The antenna comprises four layers of metal and three layers of dielectric substrates, the uppermost layer is a first metal layer, and a first dielectric substrate, a second metal layer, a second dielectric substrate, a third metal layer, a third dielectric substrate and a fourth metal layer are sequentially arranged from bottom to top, the first metal layer is a symmetrical dipole antenna and comprises a rectangular waveguide and a transmission line, the second metal layer and the third metal layer are metal substrates, the edges of the two metal substrates are provided with corresponding semicircular notches and are provided with a plurality of via holes, the second dielectric substrate is embedded into a hole column between the second metal layer and the third metal layer, and the fourth metal layer is a transmission line. And the bore log is coupled to the second metal layer through the semicircular gap, and is in feed connection through the rectangular waveguide of the first metal layer. According to the millimeter wave antenna, the problems of large size, narrow bandwidth and small maximum gain of the existing millimeter wave antenna are solved.

The invention provides a device pickup method and a terminal device, and belongs to the technical field of terminals. The method is applied to a terminal device which comprises an MEMS microphone array, the MEMS microphone array comprises an omnidirectional microphone and a directional microphone, and the maximum sound signal gain direction of the terminal device points to a first direction and a second direction, and comprises the following steps: acquiring a first sound signal picked up by the omnidirectional microphone and a second sound signal picked up by the directional microphone; converting the first sound signal into a third sound signal in a time-frequency domain by using a short-time Fourier algorithm, and converting the second sound signal into a fourth sound signal in the time-frequency domain; and obtaining a filter coefficient according to the third sound signal and the fourth sound signal, so that the direction with the maximum gain of the filtered sound signal is the first direction, and the direction with the maximum attenuation of the sound signal is the second direction. According to the scheme provided by the invention, the array structure of the omnidirectional microphone and the directional microphone is combined with the back-end algorithm, so that the problem of poor pickup effect of the earphone is solved.

The utility model discloses a Ka frequency range antenna, belongs to the technical field of communication, and comprises 256 unit horn array antennas and an antenna carrier plate, and belongs to the field of antenna design, the unit horn array antennas are uniformly distributed on the antenna carrier plate, the spacing of the unit horn array antennas is 18.5 mm, the size of the antenna carrier plate is 300mm * 300mm * 40mm, and the antenna carrier plate is a rectangular plate. According to the utility model, the technical problems in the prior art that the maximum gain of the antenna is too small and the circular polarization axial ratio is too large are solved.

The invention relates to an antenna radiation device which extends in a first direction and comprises a first radiation unit, a second radiation unit, a third radiation unit, a feeding point, a phase inverter and a first switch. Wherein the feeding point is arranged between the first radiation unit and the second radiation unit, the inverter is arranged between the second radiation unit and the third radiation unit, and the first switch is arranged between the inverter and the second radiation unit; wherein under the condition that the first switch is switched off, the antenna radiation device is in a first mode and has a first maximum gain and a first maximum gain plane direction; when the first switch is turned on, the antenna radiation device is in a second mode having a second maximum gain and a second maximum gain plane direction. In addition, the invention also relates to an antenna with the antenna radiation device.

The present invention discloses a wide-angle scanning phased array antenna, comprising: a metal floor, a beam-splitting lens spaced apart therefrom, and a beam-tilt array element group disposed between the metal floor and the beam-splitting lens. The group includes an even number of spaced-apart beam-tilt array elements, each mirror-imaged relative to the centerline of the metal floor. The metal floor is connected to a feeding mechanism, which is connected to the beam-tilt array elements. The phased array antenna employs beam-tilt array elements with a mirror-symmetric structure, and a beam-splitting lens is disposed above the beam-tilt array elements. The beam generated by the beam-tilt array elements is transformed into a new beam at a low elevation angle by the beam-splitting lens, thereby improving the gain at low elevation angles during beam scanning. Within the operating frequency band of 5.7-6.3 GHz, a 3dB scanning range of -83° to +83° is achieved, expanding the coverage of modern communications and radar systems. The beam-splitting lens also acts as a matching layer, increasing the maximum gain of the phased array antenna.

The application provides a dynamic equalization method and circuit, which comprises the following steps: calculating a maximum gain coefficient and a minimum gain coefficient according to an input signal and preset processing parameters; multiplying the filtered input signal and one of the maximum gain coefficient and the minimum gain coefficient to obtain a first output signal; multiplying the input signal directly or after filtering or delaying and the other of the maximum gain coefficient and the minimum gain coefficient to obtain a second output signal; and superimposing the first output signal and the second output signal to obtain a final output signal; and adjusting the proportional relationship between the two input signals to achieve the purpose of adjusting the final output signal in real time. This method simplifies the required calculation amount and storage space of the dynamic filter, avoids the problem of harmonic and noise caused by the sudden change of the filter coefficient, and is effective in optimizing the calculation amount.

This invention discloses a Ka-band high-gain broadband microstrip patch antenna, primarily addressing the challenges of existing Ka-band antennas in simultaneously achieving broadband bandwidth and high gain, as well as their complex structures. It employs a stacked structure of a double-layer dielectric substrate, comprising, from top to bottom, a radiating patch, a first dielectric substrate, a metal ground plane, a second dielectric substrate, and a microstrip feed line. The radiating patch is a butterfly-like structure formed by cutting a square patch as a base and loading an anti-interference plate. A cross-shaped slot, formed by the orthogonal superposition of two identical H-shaped slots, is formed on the metal ground plane. The microstrip feed line achieves electromagnetic coupling with the radiating patch through this slot. This invention, through the coordinated design of patch and slot feeding, broadens the relative bandwidth and increases the maximum gain within the Ka-band, achieving an excellent balance between wide impedance bandwidth and high radiation gain. It also boasts advantages such as simple structure, easy fabrication, low cost, and easy integration, making it suitable for 5G millimeter-wave and satellite communication systems.

The application discloses a MIMO radar beam forming method for optimizing direction vectors of multiple non-certain areas, which comprises the following steps: constructing a MIMO radar signal model and a constraint area of multiple non-certain areas; constraining the beam response of the multiple non-certain areas, minimizing the output power of an array, and constructing an optimization model of a constrained direction vector based on the multiple non-certain areas; converting the optimization model into a relaxed semi-definite problem of the multiple non-certain areas for optimization, and then iteratively optimizing and solving; and adopting a characteristic decomposition rank-one regression method to extract the weight vector of a beam former under inaccurate direction vector estimation. The MIMO radar beam formed by the application has better performance in the case of serious direction vector error, can obtain maximum gain of a target signal received by the MIMO radar, effectively suppresses interference and noise signals, and is convenient for subsequent target detection.

A variable gain amplifier (1) for amplifying an input signal (13) having a variable gain. The variable gain amplifier (1) comprises a first variable gain amplification stage (11) and a second variable gain amplification stage (10). The first variable gain amplification stage (11) is adapted to amplify the input signal (13) in a first gain range of the variable gain. The second variable gain amplification stage (10) is adapted to amplify the input signal (13) in a second gain range of the variable gain. The first gain range extends from a minimum gain of the variable gain amplifier (1) to a boundary gain. The second gain range extends from the boundary gain to a maximum gain of the variable gain amplifier (1).

The application discloses a millimeter wave broadband antenna array of a MEFAB process, which comprises an I-shaped slotted metal floor, two pairs of mutually parallel vertical metal columns, L-shaped metal folded patches, two pairs of rounded rectangular patches and a rectangular coaxial structure; the overall profile height of the antenna is reduced by folding the L-shaped patches and cooperating with the vertical metal columns to change the current path; and a larger space is left between the horizontal rounded rectangular patches and the vertical metal columns to generate a capacitive effect, so that the matching of the antenna is realized; the I-shaped slot gap is slotted and gradually changed, so that the electric dipole and the magnetic dipole are effectively excited; and the maximum gain of the antenna unit is improved through the common radiation of the two pairs of magnetic dipoles and electric dipoles.

An OTDR-based optical cable test method: measuring an optical cable by means of the maximum test pulse width satisfying the maximum gain of the optical cable, and acquiring test curve data and a corrected event start point and an event end point of each signal change event thereon; on the basis of the corrected event start points and the event end points, acquiring a normal optical cable segment in the test curve data; fitting the test curve data to obtain the optical cable length of the optical cable; on the basis of the optical cable length, acquiring a test distance of the optical cable; and, on the basis of the normal optical cable segment, acquiring the minimum test pulse width for an optical cable test. Compared with the prior art, directly using the maximum test pulse width that can meet the maximum gain of the optical cable to measure and obtain the test curve data, which can reflect the measurement situation of the optical cable at the maximum gain, can quickly acquire at a time various parameter information that needs to be set for the test, so as to improve the accuracy and efficiency of the optical cable test. Further provided are an OTDR optical cable test system, an optical time domain reflection device, and a storage medium.

The invention discloses a multi-beam digital transmission metasurface design method adaptive to direct communication of the Internet of Vehicles. The metasurface works in a 5.9 GHz frequency band and is composed of 40 * 40 double-C-shaped slot loading units, 2-bit transmission phase coding is achieved by adjusting inner-layer slot parameters of the units, and the transmission amplitude is superior to-2dB. According to the design, a quadrant partition beam forming method is adopted, an array is divided into four sub-regions, superposition codes of a focusing phase and a specific deflection phase are loaded respectively, and therefore four symmetrically-distributed high-gain beams are synchronously generated. Simulation results show that main beams of the array respectively point to azimuth angles of 45 degrees, 135 degrees, 225 degrees and 315 degrees, pitch angles are all 30 degrees, the maximum gain reaches 14.2 dBi, the narrow-beam and low-sidelobe characteristics are achieved, and the problem of efficient coverage of one source and multiple directions in an Internet of Vehicles scene is effectively solved.

This quantum cascade laser device (500) is characterized by being provided with at least a core region (10) in which is formed a multi-layer cascade structure (40) having an active region (38) in which barrier layers and well layers are alternately formed, and an injection region (39) in which electrons are injected into the active region (38), and by having a maximum gain value at a wavelength [lambda] qcl when a current is injected. When the wavelength width between two points at which a gain value reduced to a predetermined ratio with respect to the maximum gain value is represented by [Delta] [lambda] qcl, one end surface is provided with a low-reflectance film (6) having a minimum reflectance at a wavelength [lambda] cot, which is a wavelength separated by a predetermined wavelength from the wavelength [lambda] qcl, and the other end surface is provided with a low-reflectance film (6) having a minimum reflectance at a wavelength [lambda] cot, which is a wavelength separated by the predetermined wavelength from the wavelength [lambda] qcl. When the wavelength width between two points at which a mirror loss value is generated when a preset loss value is subtracted from the maximum value of the mirror loss [alpha] mir is set as [delta] [lambda] mir, [delta] [lambda] mir is less than [delta] [lambda] qcl.

The present invention belongs to the field of antenna technology and provides a broadband circularly polarized millimeter-wave magnetoelectric dipole antenna, comprising an excitation port, a microstrip feed line, a 0.127 mm thick dielectric plate, an adhesive layer, a metal floor, a grounding copper column, a 1.575 mm thick dielectric plate, a radiation patch, and a parasitic patch. The millimeter-wave circularly polarized antenna of the present invention effectively superimposes a circular arc patch and a rectangular patch, combining the axial ratio bandwidth of the two antennas to form a new radiation patch, thereby achieving a wide bandwidth. Without affecting the existing radiation performance, the axial ratio of the designed antenna unit is increased from 29.72GHz to 33.19GHz to 27.95GHz to 43.33GHz. The frequency band in which the antenna impedance matching is less than 10dB is 23.8-61.6GHz, and the impedance matching relative bandwidth reaches 88.5%; the frequency band in which the axial ratio is less than 3dB is 27.95-43.33GHz, and the axial ratio relative bandwidth reaches 43.1%; the frequency band in which the 3dB gain is 25.09-42.09GHz, and the 3dB gain relative bandwidth reaches 50.6%. The maximum gain of 9.6dBic is achieved at 34GHz, and the performance is excellent in all aspects, which can meet the requirements of broadband wireless communication systems.