5results about How to "Efficient radiation" patented technology

The application discloses a method for digesting and separating fluorinated aluminum by program, which comprises the following steps: placing a catalyst with metal elements supported on alumina as a carrier into a reaction container of a cluster digestion device, adding hydrochloric acid and / or nitric acid, setting a digestion program, introducing inert gas for pre-pressurization, performing primary digestion, and simultaneously starting a condensation reflux atomizer; after the program is completed, adding hydrofluoric acid, setting a digestion program, and performing secondary digestion; after the digestion is completed, entering a cooling and crystallization program, performing cooling and crystallization, and separating to obtain a sample solution to be detected and a solid; the solid is dried and calcined to obtain fluorinated aluminum crystals, and the liquid is used for detecting the content of metal elements. The method is applied to the digestion treatment of the alumina sample with metal elements supported thereon, has a large sample treatment range, complete digestion, no volatile loss of elements, and can separate AlF3 in an alpha crystal form through the program digestion of the digestion device.

The application discloses a kind of based on low-loss anti-resonance hollow waveguide broadband high-efficiency leaky-wave antenna design method and structure, its technical scheme includes: first based on anti-resonance principle design single dielectric wall hollow waveguide;Further introduce second dielectric wall optimization form double dielectric wall anti-resonance hollow waveguide, significantly enhance the transverse restraint to electromagnetic energy in air cavity by cascading reflection effect, realize super low loss transmission;Finally, etching periodic radiation slot in the upper layer metal plate of double dielectric wall hollow waveguide, construct leaky-wave antenna with frequency scanning function.The application uses air as main transmission medium, fundamentally reduces dielectric loss, so that the antenna has ultra-low transmission loss and ultra-high radiation efficiency in wide frequency band, while the structure is simple, process compatibility is strong, only through standard PCB process can be realized, can be widely used in 5G / 6G communication, millimeter wave radar, terahertz imaging and other high-performance wireless systems.

The invention relates to the technical field of terahertz communication, in particular to a terahertz radiation source SiP module and a design method thereof, and the terahertz radiation source SiP module comprises a packaging shell, a built-in power amplifier chip, a packaging substrate, a metal micro coaxial feed network and an antenna array. The feed network is integrated in an antenna array and is composed of a plurality of stages of T-shaped micro coaxial power dividers, and a part of ports are provided with two impedance conversion structures, so that broadband impedance matching within a 110-170GHz frequency band is realized. The output end of the power amplifier chip is connected with the input end of the feed network through the packaging substrate, the broadband radiation unit of the antenna array is in butt joint with the output port of the feed network, and amplified terahertz signals are radiated to a free space. The module optimizes the performance through integrated design, is suitable for high-frequency terahertz communication and detection scenes, and has the characteristics of compact structure, wide frequency band and high efficiency.

This invention discloses a uniformly distributed radiation energy structure for a millimeter-wave antenna, comprising a transmitting array antenna and / or a receiving array antenna composed of at least one comb-shaped antenna assembly; the comb-shaped antenna assembly includes an elongated antenna body and a microstrip line radiating assembly, one end of the antenna body being connectable to a millimeter-wave circuit capable of generating millimeter waves, and the microstrip line radiating assembly comprising multiple intermediate microstrip line radiating elements spaced apart in the middle section of the antenna body, and an end microstrip line radiating element located at the tail end of the antenna body, wherein the area of ​​the intermediate microstrip line radiating elements gradually increases from one end close to the millimeter-wave circuit toward the other end, so that the distribution of the radiated energy of each intermediate microstrip line radiating element approaches an average.

The invention provides a portable microwave-driven ultraviolet excitation head. The portable microwave-driven ultraviolet excitation head comprises an N-type connector, an inner conductor, an outer conductor, an electrodeless ultraviolet lamp tube and a position-adjustable short circuit cap, wherein the inner conductor is formed by extending a central contact pin of the N-type connector; the outer conductor is coaxially arranged and is provided with a gap; according to the invention, a coaxial structure is adopted to prevent microwave leakage, and meanwhile, ultraviolet light generated inside can be efficiently transmitted out by utilizing a gap in the outer conductor; the axial position of the short circuit cap is adjusted through the thread structure, and a standing wave voltage antinode point formed by terminal reflection can be accurately matched with the position of the electrodeless ultraviolet lamp tube, so that maximum coupling and low-power reflection of microwave energy are realized. The technical problems of contradiction between microwave leakage and ultraviolet light transmission efficiency, large device size, poor portability and low energy coupling efficiency in the prior art can be solved.