Ultra-wideband high-isolation transmit-receive split array

Abstract

The invention discloses an ultra-wideband high-isolation transmit-receive split array, which belongs to the technical field of antennae, and is characterized in that a dual-polarization transmitting array and a dual-polarization receiving array are embedded in a first metal cavity and a second metal cavity respectively; the surface of the metal platform is provided with a plurality of metamaterial wave absorber groups with multi-layer multi-resonance unit structures, and the metamaterial wave absorber groups are periodically arranged; wherein respective array aperture surfaces of the dual-polarized transmitting array and the dual-polarized receiving array are chamfered according to 45 degrees, so that energy of respective side lobe regions of the dual-polarized transmitting array and the dual-polarized receiving array intensively irradiates diagonal regions of the array aperture surfaces, and the isolation degree between the dual-polarized transmitting array and the dual-polarized receiving array is improved.

Description

Technical Field

[0001] The present application relates to the field of antenna technology, and in particular to an ultra-wideband high-isolation transmit-receive split array. Background Art

[0002] For traditional ships, each electronic device realizes a relatively independent function. The antenna is arranged discretely and separately, and is designed according to several principles of isolation control. The superstructure can be used to shield and isolate electromagnetic waves, eliminate interference between related equipment, and enhance the electromagnetic compatibility of the system. When the ship adopts integrated RF technology, that is, a planar phased array antenna is used to replace the discrete mast antenna. At this time, the receiving array and the transmitting array are arranged in the same plane, and the available space isolation distance is reduced from more than ten meters (tens of meters) to a few meters. Therefore, the array must be reasonably arranged to avoid direct radiation of the main beam. In addition, there is still an end-fire effect between the arrays, and isolation control measures need to be adopted in the corresponding direction. Therefore, improving the isolation of the coplanarly arranged transceiver arrays has become the key to the realization of integrated RF technology.

[0003] The prior art discloses a method of rotating a coplanar dual-polarization array by 45° to improve isolation, which changes the 0° / 90° polarization array to a 45° / 135° polarization array, solving the problem of mismatched isolation between the E and H planes of the arrays, and improving the isolation between the array planes by an average of 20 dB. This method changes the polarization direction of the array, thus limiting its scope of application.

[0004] The prior art also discloses a method for improving the isolation of antennas of co-frequency transceiver units, which includes placing a periodic metal plate between the two antennas, optimizing the size and spacing of the periodic metal plate, and adjusting the amplitude and phase of the leakage signal and the reflected signal to cancel them out. This method provides an isolation effect in the 1.5GHz-2GHz operating frequency band, but the periodic structure cannot achieve amplitude and phase reverse cancellation in a wider frequency band, and the isolation effect of the array antenna also needs to be verified.

[0005] In addition, the prior art also discloses a transceiver isolation system, in which the transmitting antenna uses a cosine square distribution to weight the antenna array column amplitude to achieve a low sidelobe design for the antenna. The low sidelobe pattern achieved by this method is a left-right symmetrical distribution. Summary of the invention

[0006] The main purpose of the present application is to provide an ultra-wideband high-isolation transceiver array, aiming to improve the isolation between the transceiver arrays.

[0007] To achieve the above-mentioned purpose, the present application provides an ultra-wideband high-isolation transceiver split array, comprising: a metal platform and a first metal cavity and a second metal cavity respectively located on both sides of the metal platform; the dual-polarization transmitting array and the dual-polarization receiving array are respectively embedded in the first metal cavity and the second metal cavity, and the surface of the metal platform is provided with a plurality of metamaterial absorber groups with a multi-layer multi-resonance unit structure, wherein each of the metamaterial absorber groups is periodically arranged; wherein the array apertures of the dual-polarization transmitting array and the dual-polarization receiving array are each cut at an angle of 45°, so that the energy of the side lobe areas of the dual-polarization transmitting array and the dual-polarization receiving array are concentrated to irradiate the diagonal areas of the array apertures.

[0008] Optionally, the array units of the dual-polarized transmitting array and the dual-polarized receiving array are arranged in the same direction, and their respective scale orientations are 2N columns, and in the first N columns, the number of units of the array units in each column increases successively, and in the last N columns, the number of units of the array units in each column decreases successively, and the dual-polarized transmitting array and the dual-polarized receiving array arranged by the array units are both parallelograms.

[0009] Optionally, the cavity opening of the first metal cavity and the array aperture of the dual-polarization transmitting array are enlarged in proportion, the cavity opening of the second metal cavity and the array aperture of the dual-polarization receiving array are enlarged in proportion, the first metal cavity and the second metal cavity are both trapezoidal cavities, and their respective cavity inclination angles are not less than 5 degrees and not more than 15 degrees, the first metal cavity is provided with a plurality of first metal semicircular serrations on the inner side wall near the cavity opening, and the second metal cavity is provided with a plurality of second metal semicircular serrations on the inner side wall near the cavity opening.

[0010] Optionally, the metamaterial absorbers in the metamaterial absorber group are arranged at equal intervals and their heights decrease from the middle to both sides.

[0011] Optionally, each of the metamaterial absorbers includes a first conductive layer, a first dielectric layer, a first unit structure layer, a second unit structure layer and a second dielectric layer stacked in sequence; wherein, an air layer is filled between the first unit structure layer and the second unit structure layer, and between the first conductive layer and the first dielectric layer; the first unit structure layer includes at least two concentric square rings, and at least two of the concentric square rings are etched on the surface of the first dielectric layer away from the first conductive layer; the second unit structure layer includes at least four evenly distributed circular rings, and at least four of the circular rings are etched on the surface of the second dielectric layer close to the first dielectric layer.

[0012] Optionally, each of the square rings includes four first lumped resistors connected by a plurality of first conductive wires, and each of the circular rings includes four second lumped resistors connected by a plurality of second conductive wires.

[0013] Optionally, the array apertures of the dual-polarization transmitting array and the dual-polarization receiving array respectively perform phase weighting on the side lobes using a modified Taylor distribution algorithm to obtain an asymmetric side lobe distribution to modify the side lobe directivity pattern.

[0014] Optionally, the formula used by the modified Taylor distribution algorithm is:

[0015]

[0016] Among them, F is the directional pattern function, z is the normalized independent variable, A L is the inverse hyperbolic cosine function value corresponding to the first sidelobe level on the left side of the pattern, A R is the inverse hyperbolic cosine function value corresponding to the first sidelobe level on the right side of the pattern, is the number of equal sidelobe levels on the left side of the pattern, is the number of equal sidelobe levels on the right side of the pattern, σ L is the left lobe broadening factor of the pattern, σ R is the right lobe broadening factor of the radiation pattern.

[0017] An ultra-wideband high-isolation transceiver split array proposed in an embodiment of the present application comprises a dual-polarization transmitting array and a dual-polarization receiving array respectively embedded in a first metal cavity and a second metal cavity, and a plurality of metamaterial absorber groups with a multi-layer multi-resonance unit structure are provided on the surface of the metal platform, wherein each metamaterial absorber group is periodically arranged; wherein each array aperture of the dual-polarization transmitting array and the dual-polarization receiving array are respectively cut at an angle of 45°, so that the energy of the side lobe areas of the dual-polarization transmitting array and the dual-polarization receiving array are concentrated to irradiate the diagonal area of ​​the array aperture, thereby improving the isolation between the dual-polarization transmitting array and the dual-polarization receiving array. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of an ultra-wideband high-isolation transceiver split array provided by the present invention;

[0019] Figure 2 It is a schematic diagram of the corner-cut rectangular array and the conventional rectangular array provided by the present invention;

[0020] Figure 3 It is a comparison diagram of the three-dimensional directional diagrams of the corner-cut rectangular array of the present invention and the conventional rectangular array at the center frequency point;

[0021] Figure 4It is a schematic diagram of a metal trapezoidal cavity of an ultra-wideband high-isolation transceiver split array provided by the present invention;

[0022] Figure 5 It is a schematic diagram of the structure of the metamaterial absorber unit of the ultra-wideband high-isolation transceiver split array provided by the present invention;

[0023] Figure 6 It is a comparison diagram of the aperture amplitude and phase distribution of the modified Taylor distribution of the present invention and the conventional Taylor distribution;

[0024] Figure 7 It is a comparison diagram of the two-dimensional scanning directional patterns of the modified Taylor distribution of the present invention and the conventional Taylor distribution at the center frequency point;

[0025] Figure 8 It is a comparison diagram of the isolation degree of the dual-polarization array with separate transmission and reception before and after the implementation of the present invention;

[0026] The realization of the purpose, functional features and advantages of this application will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0027] It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0028] Reference Figure 1 The ultra-wideband high isolation transceiver split array provided in the first embodiment of the present application may include:

[0029] A metal platform 1 and a first metal cavity 2 and a second metal cavity 3 respectively located on both sides of the metal platform 1; the dual-polarization transmitting array 4 and the dual-polarization receiving array 5 are respectively embedded in the first metal cavity 2 and the second metal cavity 3, and a plurality of metamaterial absorber groups 6 with a multi-layer multi-resonance unit structure are provided on the surface of the metal platform 1, wherein each of the metamaterial absorber groups 6 is periodically arranged; wherein the array apertures of the dual-polarization transmitting array 4 and the dual-polarization receiving array 5 are respectively cut at an angle of 45°, so that the energy of the side lobe areas of the dual-polarization transmitting array 4 and the dual-polarization receiving array 5 are concentrated to irradiate the diagonal areas of the array apertures.

[0030] Specifically, the ultra-wideband high-isolation transmit-receive split array proposed in the present application includes a first metal cavity 2 and a second metal cavity 3 arranged on both sides of a metal platform 1, and the first metal cavity 2 and the second metal cavity 3 are respectively embedded with a dual-polarization transmitting array 4 and a dual-polarization receiving array 5 (hereinafter referred to as dual-polarization dual-polarization transmitting / receiving array or transceiver array), and the first metal cavity 2 and the second metal cavity 3 are respectively conformal with the dual-polarization transmitting array 4 and the dual-polarization receiving array 5, and an ultra-wideband dual-polarization spatial isolation device is placed on the middle surface of the metal platform 1, wherein the ultra-wideband dual-polarization spatial isolation device is a metamaterial absorber group 6 with a multi-layer multi-resonance unit structure. The array apertures of the dual-polarized transmitting array 4 and the dual-polarized receiving array 5 are cut at 45°, so that the energy of the side lobe areas of the dual-polarized transmitting array 4 and the dual-polarized receiving array 5 are concentrated to illuminate the diagonal area of ​​the array aperture. Specifically, the rectangular aperture formed by the dual-polarized transmitting / receiving array is cut at 45° to form a 45° oblique rectangular aperture, so that the maximum point of the side lobe energy is located in the diagonal area of ​​the array surface, and the energy of the side lobe area is no longer concentrated in the direction of the array surface connection line, thereby greatly improving the isolation between the transmitting and receiving arrays. Figure 3 , Figure 3 (b) is the corner-cut rectangular array of the present invention, Figure 3 (a) A comparison of the three-dimensional radiation patterns of the conventional rectangular array at the center frequency f0. In the figure, the antenna aperture fields of the dual-polarization transmitting array 4 and the dual-polarization receiving array 5 are evenly distributed according to the aperture amplitude, and the beam pointing is normal. The three-dimensional radiation pattern of the center frequency f0 is as follows: Figure 3 As shown, the array gain and beamwidth of the two array arrangements are consistent, but the sidelobe energy distribution is different. The sidelobe energy of the rectangular aperture with an oblique 45° cut angle is mainly distributed in the diagonal 45° / 135° direction.

[0031] In one embodiment of the present application, the array units of the dual-polarized transmitting array 4 and the dual-polarized receiving array 5 are arranged in the same direction, and their respective scale orientations are 2N columns, and in the first N columns, the number of units of the array units in each column increases successively, and in the last N columns, the number of units of the array units in each column decreases successively, and the dual-polarized transmitting array 4 and the dual-polarized receiving array 5 arranged by the array units are both parallelograms.

[0032] Specifically, the dual-polarized transmit / receive array adopts a 45° angled rectangular aperture layout. The scale of the dual-polarized transmit / receive array antenna is 2N columns in azimuth. The number of array elements in each column from left to right constitutes an arithmetic progression, namely 1, 3, 5, 7, …, 2N-3, 2N-1, 2N-1, 2N-3, …, 7, 5, 3, 1, and the total number of array elements is N*N / 2.

[0033] For example, reference Figure 2 , Figure 2 (b) shows the arrangement of rectangular apertures with a 45° angle cut. Figure 2 (a) is a conventional rectangular aperture. For a rectangular aperture with a 45° angle cut, the size of the dual-polarization transmit / receive array antenna is 24 columns in all directions. The number of array elements in each column, from left to right, forms an arithmetic progression, namely 1, 3, 5, 7, ..., 21, 23, 23, 21, ..., 7, 5, 3, 1, and the total number of array elements is 288. In comparison, the size of the conventional rectangular aperture transmit / receive array antenna is 17 columns in all directions, and the number of elements in each column is 17, and the total number of array elements is 289.

[0034] In one embodiment of the present application, the cavity opening of the first metal cavity 2 and the array aperture of the dual-polarization transmitting array 4 are enlarged in proportion, the cavity opening of the second metal cavity 3 and the array aperture of the dual-polarization receiving array 5 are enlarged in proportion, the first metal cavity 2 and the second metal cavity 3 are both trapezoidal cavities, and the inclination angle of each cavity is not less than 5 degrees and not more than 15 degrees, and the first metal cavity 2 is provided with a plurality of first metal semicircular serrations 8 on the inner side wall near the cavity opening, and the second metal cavity 3 is provided with a plurality of second metal semicircular serrations 9 on the inner side wall near the cavity opening.

[0035] refer to Figure 4 , wherein the dual-polarization transmitting and receiving arrays are respectively embedded in two metal trapezoidal cavities, the cavity opening of the metal trapezoidal cavity is conformal with the array mouth surface, and a rectangular window is opened at an angle of 45°. Specifically, the inclination angle of the trapezoidal cavity is not less than 5 degrees and not more than 15 degrees, preferably 10°. The inclined trapezoidal cavity can improve the horizontal polarization isolation of the transmitting and receiving array. A metal semicircular sawtooth structure is provided on the edge of the trapezoidal cavity, which can reduce the mutual interference of the side lobes of the transmitting and receiving array, thereby reducing the energy of the electromagnetic waves directly coupled to the receiving array, thereby increasing the electromagnetic blocking effect. The diameter of the metal semicircular sawtooth structure can be 10mm-25mm, preferably 20mm.

[0036] In an embodiment of the present application, the metamaterial absorbers 7 in the metamaterial absorber group 6 are arranged at equal intervals and their heights decrease from the middle to both sides.

[0037] Specifically, each of the metamaterial absorbers 7 includes a first conductive layer 701, a first dielectric layer 702, a first unit structure layer 703, a second unit structure layer 704, and a second dielectric layer 705 stacked in sequence; wherein, an air layer is filled between the first unit structure layer 703 and the second unit structure layer 704, and between the first conductive layer 701 and the first dielectric layer 702; the first unit structure layer 703 includes at least two concentric square rings, and at least two of the concentric square rings are etched on the surface of the first dielectric layer 702 away from the first conductive layer 701; the second unit structure layer 704 includes at least four evenly distributed circular rings, and at least four of the circular rings are etched on the surface of the second dielectric layer 705 close to the first dielectric layer 702.

[0038] Further, each of the square rings includes four first lumped resistors connected by a plurality of first conductive wires, and each of the circular rings includes four second lumped resistors connected by a plurality of second conductive wires.

[0039] That is to say, an ultra-wideband dual-polarization spatial isolation device based on a metamaterial absorber 7 is arranged between the transceiver arrays. The device consists of a plurality of metamaterial absorber groups 6 erected at different heights and arranged at a certain interval, which can efficiently absorb electromagnetic waves incident on the surface of the metamaterial absorber 7; the metamaterial absorber 7 adopts a metal pattern etched on a multi-layer printed circuit board and loaded with a lumped resistor, and each layer of etched metal pattern has a different size to form a multi-resonance structure to expand the bandwidth, the top layer pattern is 4 circular rings with equal radius, and the bottom layer pattern is 2 square rings of different sizes; the pattern is a central rotationally symmetrical structure, with dual-polarization absorbing ability, the array antenna performs beam scanning, and the isolation is also significantly improved.

[0040] For example, the unit structure of the metamaterial absorber 7 constituting the ultra-wideband dual-polarization spatial isolation device is as follows: Figure 5 As shown, Figure 5 (a) is a side view, Figure 5 (b) is a top view, Figure 5 (c) is a bottom view. Figure 5 (d) is a cross-sectional view, Figure 5(e) is the equivalent circuit diagram. It consists of a top printed board (second dielectric layer 705), a bottom printed board (first dielectric layer 702) and a metal back plate (first conductive layer 701). Each layer is separated by an air layer. Four circular rings of the same size are etched on the lower surface of the top printed board, and two square rings of different sizes are etched on the upper surface of the bottom printed board. There is no printed pattern on the other surfaces. Each circular ring and square ring are loaded with 4 lumped resistance elements, and the printed board dielectric is F4B (relative dielectric constant 2.2, loss tangent 0.001). The printed pattern is symmetrical and can effectively absorb both horizontally polarized and vertically polarized electromagnetic waves. Among them, the arrangement period of the printed pattern can be p = 8mm, the air layer thickness h1 = 2mm, and the printed board thickness h2 = 1.524mm.

[0041] Continue to refer Figure 1 The ultra-wideband dual-polarization spatial isolation device is formed by periodically arranging a number of metamaterial absorbers 7. Preferably, it is composed of 10 groups of metamaterial absorbers 7, and the heights of each group of metamaterial absorbers 7 are 125mm, 150mm, 175mm, 200mm, 225mm, 225mm, 200mm, 175mm, 150mm, and 125mm, respectively. The interval between each group of metamaterial absorbers 7 is 50mm, and they are arranged in sequence along the center of the transceiver array.

[0042] In one embodiment of the present application, the array apertures of the dual-polarization transmitting array 4 and the dual-polarization receiving array 5 respectively perform phase weighting on the side lobes using a modified Taylor distribution algorithm to obtain an asymmetric side lobe distribution to correct the side lobe pattern.

[0043] Among them, the array aperture of the dual-polarized transmit / receive array adopts a modified Taylor distribution, that is, the amplitude and phase of the dual-polarized transmit / receive array are weighted simultaneously. The modified Taylor distribution is obtained by modifying the conventional Taylor distribution. The modified Taylor distribution does not change the amplitude distribution of the transmit / receive array aperture. The left and right side lobes are controlled separately through phase weighting to produce an asymmetric side lobe distribution, which can achieve lower side lobes on one side of the array coupling direction within the ultra-wide frequency band, thereby further improving the isolation between the transmit and receive arrays.

[0044] The directional pattern function corresponding to the modified Taylor distribution algorithm is

[0045]

[0046] Among them, F is the directional pattern function, z is the normalized independent variable, A L is the inverse hyperbolic cosine function value corresponding to the first sidelobe level on the left side of the pattern, A R is the inverse hyperbolic cosine function value corresponding to the first sidelobe level on the right side of the pattern, is the number of equal sidelobe levels on the left side of the pattern, is the number of equal sidelobe levels on the right side of the pattern, σ L is the left lobe broadening factor of the pattern, σ R is the right lobe broadening factor of the radiation pattern.

[0047] Figure 6 This is a comparison diagram of the aperture amplitude and phase distribution of the modified Taylor distribution of the present invention and the conventional Taylor distribution. Figure 7 It is a comparison diagram of the two-dimensional scanning directional patterns of the modified Taylor distribution of the present invention and the conventional Taylor distribution at the center frequency point.

[0048] This application simulates and experimentally studies the ultra-wideband high isolation dual-polarization array with separate transceivers designed based on the method of the present invention. The isolation between the dual-polarization arrays with separate transceivers before and after implementation is shown in Figure 2. Figure 8 The comparison results show that the design of the present invention significantly improves the array isolation between the two polarizations. Within the 3-fold frequency band, the average vertical polarization isolation is increased from 90dB to 140dB, and the average horizontal polarization isolation is increased from 100dB to 145dB.

[0049] Compared with the prior art, the present invention has the following significant advantages:

[0050] (1) The existing rectangular aperture is cut at a 45° angle without changing the array polarization, azimuth, or elevation beamwidth, which can significantly reduce the coupling energy between the transmitting and receiving arrays in a wide frequency band;

[0051] (2) Embedding the transceiver array into a metal cavity and optimizing the cavity structure, and setting a metal semicircular sawtooth structure at the edge of the cavity can block or slow down the direct rays between the transceiver antennas, further improving the isolation of the transceiver array;

[0052] (3) Compared with the interference destructive method, the metamaterial absorber 7 with a multi-layer multi-resonance unit structure can achieve efficient absorption of electromagnetic waves with arbitrary polarization and large angle of incidence in a very wide frequency band, avoiding the diffraction waves and surface waves caused by the traditional metal isolation plate, while improving the jitter of the antenna pattern. In addition, the preparation and design process of the metamaterial broadband absorber are more flexible than the traditional metal isolation plate and absorbing material, and the design results can be conveniently optimized according to actual needs. Therefore, the broadband absorber based on metamaterials can effectively weaken the electromagnetic waves directly coupled from the transmitting array to the receiving array, and can also weaken the creeping wave coupling and diffraction coupling mutual interference signals to a certain extent;

[0053] (4) The modified Taylor distribution controls the left and right side lobes separately through phase weighting on the basis of the amplitude weighting of the conventional Taylor distribution, without changing the main beam energy radiated by the transmitting / receiving array. It can achieve lower side lobes on one side of the array coupling direction within the ultra-wide frequency band, thereby further improving the isolation between the transmitting and receiving arrays.

[0054] The above are only preferred embodiments of the present application, and are not intended to limit the patent scope of the present application. Any equivalent structure or equivalent process transformation made using the contents of the present application specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present application.

Claims

1. An ultra-wideband high isolation transceiver array, characterized in that: include: A metal platform and a first metal cavity and a second metal cavity respectively located on two sides of the metal platform; A dual-polarization transmitting array and a dual-polarization receiving array are respectively arranged in the first metal cavity and the second metal cavity, and a plurality of metamaterial absorber groups with a multi-layer multi-resonance unit structure are arranged on the surface of the metal platform, wherein each of the metamaterial absorber groups is periodically arranged, and the array apertures of the dual-polarization transmitting array and the dual-polarization receiving array are respectively cut at an angle of 45°, so that the energy of the side lobe areas of the dual-polarization transmitting array and the dual-polarization receiving array are concentrated to irradiate the diagonal area of ​​the array aperture.

2. The ultra-wideband high isolation transceiver array according to claim 1, characterized in that: The array units of the dual-polarized transmitting array and the dual-polarized receiving array are arranged in the same direction, and their respective scale orientations are 2N columns, and in the first N columns, the number of units of the array units in each column increases successively, and in the last N columns, the number of units of the array units in each column decreases successively, and the dual-polarized transmitting array and the dual-polarized receiving array are both parallelograms.

3. The ultra-wideband high isolation transceiver array according to claim 1, characterized in that: The cavity opening of the first metal cavity is proportionally enlarged based on the array aperture of the dual-polarization transmitting array, and the cavity opening of the second metal cavity is proportionally enlarged based on the array aperture of the dual-polarization receiving array. The first metal cavity and the second metal cavity are both trapezoidal cavities, and the inclination angle of each trapezoidal cavity is not less than 5 degrees and not more than 15 degrees. The first metal cavity is provided with a plurality of first metal semicircular serrations on the inner side wall close to the cavity opening, and the second metal cavity is provided with a plurality of second metal semicircular serrations on the inner side wall close to the cavity opening.

4. The ultra-wideband high isolation transceiver array according to claim 1, characterized in that: The metamaterial absorbers in the metamaterial absorber group are arranged at equal intervals and their heights decrease from the middle to both sides.

5. The ultra-wideband high isolation transceiver array according to claim 4, characterized in that: Each of the metamaterial absorbers comprises a first conductive layer, a first dielectric layer, a first unit structure layer, a second unit structure layer, and a second dielectric layer stacked in sequence; Wherein, air is filled between the first unit structure layer and the second unit structure layer, and between the first conductive layer and the first dielectric layer; The first unit structure layer includes at least two concentric square rings, and the at least two concentric square rings are etched on a surface of the first dielectric layer away from the first conductive layer; The second unit structure layer includes at least four evenly distributed circular rings, and the at least four circular rings are etched on the surface of the second dielectric layer close to the first dielectric layer.

6. The ultra-wideband high isolation transceiver array according to claim 5, characterized in that: Each of the square rings includes a plurality of first conductive wires and four first lumped resistors connected by the plurality of first conductive wires, and each of the circular rings includes a plurality of second conductive wires and four second lumped resistors connected by the plurality of second conductive wires.

7. The ultra-wideband high isolation transceiver array according to claim 1, characterized in that: The array apertures of the dual-polarization transmitting array and the dual-polarization receiving array respectively use a modified Taylor distribution algorithm to perform phase weighting on the side lobes to obtain an asymmetric side lobe distribution, so as to modify the direction diagram of the side lobes.

8. The ultra-wideband high isolation transceiver array according to claim 7, characterized in that: The directional pattern function corresponding to the modified Taylor distribution algorithm is: Among them, F is the directional pattern function, z is the normalized independent variable, A L is the inverse hyperbolic cosine function value corresponding to the first sidelobe level on the left side of the pattern, A R is the inverse hyperbolic cosine function value corresponding to the first sidelobe level on the right side of the pattern, is the number of equal sidelobe levels on the left side of the pattern, is the number of equal sidelobe levels on the right side of the pattern, σ L is the left lobe broadening factor of the pattern, σ R is the right lobe broadening factor of the radiation pattern.

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