61results about How to "Enhanced wave transparency" patented technology

The invention relates to a dual-passband wave-transmitting material, a radome and an antenna system. The dual-passband wave-transmitting material comprises a first substrate and a second substrate which are made of non-metal materials, and a plurality of first metal micro-structures clamped between the first substrate and the second substrate and arranged in a latticed manner, wherein no gap is reserved between the adjacent first metal micro-structures; and the first metal micro-structures adopt cross-shaped structures. The invention also provided a radome and an antenna system. The dual-passband wave-transmitting material, the radome and the antenna system, provided by the invention, can work in two frequency bands, have high wave-transmitting efficiency in the two frequency bands, and can shield other frequency bands, thereby eliminating interference and ensuring favorable work environments of the antenna. After the antenna is equipped with the radome, the radiating capacity of the antenna is enhanced and the gain is effectively improved.

The invention relates to a wave-transmitting meta-material and an antenna cover and an antenna system with the material. The wave-transmitting meta-material comprises a first substrate and a second substrate, wherein one layer of square patches with holes at the centers are clamped between the first substrate and the second substrate in an array manner; and circular patches which are arranged in an array manner are arranged on the outer surfaces of the first and second substrates. According to the wave-transmitting meta-material and the antenna cover and the antenna system with the material disclosed by the invention, the wave-transmitting efficiency is high, the loss is small, and the selective wave-transmitting function is realized.

The invention relates to a meta-material microwave antenna housing and an antenna system. The meta-material microwave antenna housing is covered on the antenna and comprises at least one meta-material sheet layer, wherein each meta-material sheet layer comprises a substrate and a plurality of manmade micro structures which are arranged on two opposite surfaces of the substrate in an arrayed manner; the substrate is divided into a plurality of meta-material units, wherein two opposite surfaces of each meta-material unit are respectively provided with a manmade micro structure, and manmade micro structures are the same in the dimension; and the manmade micro structure comprises a square-shaped structure which is firmly close to the edge of the meta-material unit and a square patch which is arranged on the centre of the meta-material unit. With the adoption of the meta-material microwave antenna housing and the antenna system, the manmade micro structure with a special shape is attached on the substrate, and the relative dielectric constant, refractive index and impedance of the material are changed by regulating the shape and dimension of the manmade micro structure, transmission of electromagnetic wave is reinforced, and directivity and gain of the antenna is improved.

The invention relates to a metamaterial microwave antenna cover and an antenna system. The metamaterial microwave antenna cover is covered on an antenna, and comprises at least one metamaterial sheet layer, wherein each metamaterial sheet layer comprises a substrate and multiple artificial microstructures arranged on two opposite surfaces of the substrate in an array manner, the substrate is made of HDPE (high-density polyethylene) material and can be divided into multiple metamaterial units, artificial microstructures are respectively arranged on two opposite surfaces of each metamaterial unit, the sizes of the metamaterial units are identical, and each artificial microstructure comprises a square-shaped structure clung to the edge of the metamaterial unit and a square patch at the center of the metamaterial unit. According to the invention, specific-shaped artificial microstructures are adhered to the substrate, and by adjusting the shape and size of the artificial microstructures, the relative dielectric constant, refractive index and impedance of the material are changed, the transmission of electromagnetic wave is enhanced and the directionality and gain of the antenna are improved.

The invention relates to a broadband metamaterial antenna housing and an antenna system. The metamaterial antenna housing works in the Ku wave band. The broadband metamaterial antenna housing comprises at least one metamaterial sheet layer, wherein each metamaterial sheet layer comprises a first substrate and a plurality of artificial microstructures which are arranged on the first substrate in an array mode, and the sizes of the artificial microstructures are the same. Each artificial microstructure comprises a snowflake-shaped structure, and each snowflake-shaped structure comprises a cross-shaped structure and four straight-line-shaped structures which are same in size and arranged on four end points of the cross-shaped structure respectively. According to the broadband metamaterial antenna housing, the artificial microstructures in specific shapes are attached to the first substrates to obtain needed electromagnetic responses, wave-transparent performance of the antenna housing based on metamaterials is strengthened, and anti-interference capacity is increased. The working band of the antenna housing is the Ku wave band (12-18GHz), wave-transparent efficiency within the band is high, and losses are fewer. Furthermore, the working band of the antenna housing still has good wave-transparent performance when an electromagnetic wave band incomes in a certain angle.

The invention relates to a broadband wave-transparent material as well as an antenna cover and an antenna system thereof. The broadband wave-transparent material comprises at least one first substrate made of a non-metal material and a plurality of artificial microstructures which are attached to the first substrate and distributed in an arraying manner; each artificial microstructure comprises a circular structure with two symmetrical openings and a straight structure passing through the center of the circular structure, and the two symmetrical openings are respectively positioned at two sides of the straight structure. The broadband wave-transparent material as well as the antenna cover and the antenna system thereof can work in a wider frequency band and are high in wave-transparent efficiency and capable of shielding other frequency bands, thereby eliminating interference and ensuring a favorable working environment of an antenna. After the antenna cover is arranged on the antenna, the radiation capability of the antenna is enhanced and the gain is effectively increased.

The invention relates to a low-loss metamaterial antenna housing which comprises at least one metamaterial piece layer. Each metamaterial piece layer comprises a first substrate and a plurality of man-made micro-structures with the same size, wherein the man-made micro-structures are distributed on each first substrate in an array mode. The man-made micro-structures are of cross-shaped structures. Due to the fact that the man-made micro-structures in specific shapes are attached to the substrates, required electromagnetic response is obtained, the wave-transparent performance of the antenna housing based on the metamaterial is strengthened, and anti-jamming capability is improved. Meanwhile, the loss of the antenna housing nearby the frequency point range of 30GHz is quite low, and wave-transparent efficiency is quite high.

The invention relates to a broadband wave-transmitting material, as well as an antenna housing and an antenna system thereof. The broadband wave-transmitting material is used for realizing broadband wave transmitting, and comprises multiple layers of substrates and a plurality of first artificial microstructures; the substrates are made of nonmetallic materials; each first artificial microstructure is clamped between any two adjacent substrates and arrayed; the wave-transmitting material further comprises second artificial microstructures adhered to the outer surfaces of the two outermost layers of substrates in the multiple layers of substrates; the second artificial microstructures are different from the first artificial microstructures. The broadband wave-transmitting material, the antenna housing and the antenna system are very high in wave-transmitting efficiency within the range of 2-18 GHz broad band. After the antenna housing is added on the antenna, the radiating capacity of the antenna is enhanced, and the gain is improved effectively.

The invention relates to a broadband high wave-transparent metamaterial antenna housing and an antenna system. The broadband high wave-transparent metamaterial antenna housing comprises at least one metamaterial sheet layer, wherein each metamaterial sheet layer comprises a first substrate and a plurality of artificial microstructures which are arranged on the first substrate in an array mode, and the sizes of the artificial microstructures are the same. Each artificial microstructure is of a closed structure defined by metal wires, and each closed structure is provided with a cross-shaped hollow pattern. Metal wires on the four our end portions of each cross-shaped hollow pattern extend to the two sides to form extending arms. According to the broadband high wave-transparent metamaterial antenna housing, the artificial microstructures in specific shapes are attached to the first substrates to obtain needed electromagnetic responses, wave-transparent performance of the antenna housing based on metamaterials is strengthened, and anti-interference capacity is increased. Furthermore, the antenna housing is wide in working band, high in wave-transparent efficiency, small in loss and suitable for serving as the high frequency, broadband and high wave-transparent antenna housing.

The invention relates to a metamaterial antenna housing and an antenna system. The metamaterial antenna housing comprises at least one metamaterial sheet layer. The metamaterial sheet layer comprises a first substrate and a plurality of artificial microstructures which are arranged on the first substrate in an array mode, and are identical in size. Each artificial microstructure is of a crossed structure, and no gap exists between every two adjacent crossed structures. Needed electromagnetic response is obtained by attaching the metamaterial antenna housing through the artificial microstructures with specific shapes to the substrates, wave-transparent performance of the antenna housing is improved, and capacity of resisting disturbance of the antenna housing based on a metamaterial is improved. In the range of 3.6-18GHz, the metamaterial antenna housing is quite low in loss, and quite high in wave-transparent efficiency.

The invention relates to a metamaterial antenna housing. The metamaterial antenna housing comprises metamaterial sheet layers, wherein each metamaterial sheet layer comprises a first substrate and a second substrate, each first substrate and each second substrate are arranged in an opposite mode, a plurality of artificial microstructures which are arranged in an array mode are arranged between each first substrate and each second substrate in a clamped mode, each artificial microstructure comprises a first metal wire and a second metal wire, each first metal wire and each second metal wire are L-shaped, an image formed by each first metal wire after each first metal wire rotates around the right-angle vertex of itself by 180 degrees is the same as an image formed by the second metal wire, and a closed rectangle is formed by each first metal wire and each second metal wire in a mutual-splicing mode. Needed electromagnetic response is obtained by the metamaterial antenna housing by attaching the artificial microstructures with specific shapes to the substrates, wave-transparent performance of the antenna housing is improved, and capacity of resisting disturbance of the antenna housing based on a metamaterial is improved, and the frequency band reaches more than 5G.

The invention discloses a method for manufacturing a metamaterial panel. The method comprises a step of stirring and mixing thermoset synthetic resin liquid and hollow glass beads to form a needed sizing agent, wherein the total mass of the hollow glass beads accounts for 1%-7% of the mass of the sizing agent, a step of respectively and fully immersing an amount of fiber cloth into the sizing agent to obtain a plurality of prepregs, and a step of heating and pressurizing the prepregs to be pressed into an integrity to obtain the metamaterial panel. The invention further discloses a metamaterial antenna cover manufactured through the adoption of the method for manufacturing the metamaterial panel. The metamaterial panel is simple in manufactured technique, low in cost, high in mechanical strength and good in wave-transparent property, and the wave-transparent property of the antenna cover is further enhanced by the manner that man-made micro structures are arranged on the metamaterial panel periodically.