14results about How to "Improve shortcomings" patented technology

The invention discloses a channel compensation method and device, electronic equipment and a storage medium, and relates to the technical field of signal processing. The method comprises the following steps: acquiring a receiving end pilot signal and a transmitting end pilot signal; performing signal estimation on the receiving end pilot signal and the transmitting end pilot signal by adopting an initial channel estimation algorithm to obtain an initial channel compensation matrix; based on a pre-trained channel compensation matrix updating model, correcting the initial channel compensation matrix to obtain a target channel compensation matrix; and adopting the target signal compensation matrix to perform channel compensation on the receiving end pilot signal to obtain an original pilot signal. According to the technical scheme of the embodiment of the invention, the deployment cost of a physical layer can be reduced, the expandability of signal estimation is improved, the calculation overhead is reduced, the signal compensation precision is improved, the bit error rate of a receiving end is remarkably reduced, the communication rate is improved, and the stability requirements of a current communication system on high rate, low time delay and high reliability can be met.

The utility model discloses an automatic piece measuring and patching device for feeding of a wet process trough type machine, and belongs to the field of solar cell manufacturing. The device comprises a flower basket conveying belt, a piece taking flower basket, a patching base and a feeding flower basket conveying belt, the flower basket conveying belt is arranged below the piece taking flower basket, and the feeding flower basket conveying belt is arranged below the piece taking flower basket; meanwhile, the wafer taking basket is positioned in the center of the basket conveying belt; the flower basket conveying belt is parallel to the patch base and the feeding flower basket conveying belt; a camera movement guide rail and a suction cup vertical movement guide rail are arranged above the patch base; a camera movement sliding block is arranged on the camera movement guide rail, a film taking camera module and a film repairing camera module are arranged at the two ends of the camera movement sliding block, and the camera movement sliding block can move up and down on the camera movement guide rail; the device can solve the problem that an existing machine cannot reduce fragments and carry liquid, the EL yield and appearance yield of solar cells are improved, and the value of a single finished product is improved.

The invention provides a titanium metal pipe clamp and a manufacturing method thereof, the titanium metal pipe clamp comprises a belt body made of a titanium metal material, a shell and a driving body, and the belt body is provided with a first end and a second end which are oppositely arranged; the shell is arranged at the first end of the belt body, and the second end of the belt body penetrates through the space between the shell and the first end, so that the belt body is annular; the driving body is arranged in the shell, and the driving body and the belt body are mutually restrained; therefore, each element of the pipe clamp is made of the titanium metal material, so that the pipe clamp has an anti-corrosion effect and can be applied to a special environment, and the service life is further prolonged.

A socket connector, a plug connector and an electrical connection device. The socket connector includes a metal shell, an insulating seat and a socket terminal assembly. The insulating seat is arranged in the metal shell, annularly and includes a socket opening. The socket terminal assembly is arranged in the insulating seat and includes two terminal seats, a guard seat arranged between the two terminal seats and two socket terminal groups respectively arranged in the two terminal seats. The guard seat and the two socket terminal groups are spaced from each other. Each of the socket terminal groups extends toward the socket opening but does not protrude the guard seat. The socket connector has the effect of avoiding damage to the two socket terminal groups due to impact.

The invention discloses a thermoelectric cooling chip and a manufacturing method and a packaging structure thereof. The thermoelectric cooling chip comprises a substrate; the buffer layer is arranged on the surface of the substrate; the first etching stop layer is arranged on the buffer layer; the dielectric layer is arranged on the first etching stop layer; a first conductive type semiconductor layer embedded in the dielectric layer; the first wire layer is arranged in the dielectric layer and is in direct contact with the side wall of the first conductive type semiconductor layer; a second etch stop layer disposed on the first conductive type semiconductor layer; the second lead layer is arranged in the dielectric layer and the second etching stop layer and is in direct contact with the side wall of the first conductive type semiconductor layer; a second conductive type semiconductor layer on the first conductive type semiconductor layer; and a third lead layer disposed on the second lead layer and in direct contact with the sidewall of the second conductive type semiconductor layer.

The invention discloses an anti-abrasion hydraulic concrete water-based anticorrosive paint, a preparation method thereof and a coating. The abrasion-resistant hydraulic concrete water-based anticorrosive paint is prepared from the following raw materials in parts by weight: 10 to 40 parts of water-based epoxy resin emulsion, 10 to 40 parts of modified steel slag powder, 10 to 50 parts of alkaline regulating agent and 10 to 40 parts of water-based epoxy curing agent. On the basis of high wear resistance of the steel slag, the modified steel slag powder with higher strength and higher toughness is obtained through modification, and the modified steel slag powder and the alkaline regulating agent are synergistically used as a modified filler of an epoxy component, so that the defect of poor combination of an epoxy coating and an inorganic filler can be remarkably improved, and the service life of the coating is prolonged. And the abrasion resistance is improved. The adopted steel slag raw material is solid waste and is low in cost and wide in source, the steel slag modification process is short in time, and the preparation process is simple.

The invention provides a data processing method which is used for a data processing system to process uploaded data. Wherein the data processing system comprises an associated database and a non-associated database, and the uploaded data comprises a data content and a data table name. The data processing system determines a data type of the uploaded data according to the data content; determining a first data table of a first database according to the data type, the data content and the data table name of the uploaded data; and storing the uploaded data in the first data table of the first database. Wherein the first database is the associated database or the non-associated database.

The application discloses a bottom mould floor support plate construction technology suitable for steel-concrete composite beam cast-in-situ bridge deck plate construction and belongs to the field of cast-in-situ concrete component form construction, which can solve the problems of difficult installation of the bottom mould of the steel-concrete composite beam cast-in-situ bridge deck plate, large waste of building materials, cost increase and slow construction period. According to the size of the floor support plate, the application performs line laying at a reinforcing position of the top plate of the steel beam, performs installation and connection, straightens, flattens, connects and fixes the arranged floor support plate. The connection between the floor support plates is reinforced by adding fillet welding. The two sides of the steel-concrete composite beam are each provided with a 70cm cantilever arm, and the concrete thickness is 20cm. The cantilever arm part of the side beam is constructed by using a hanging form method, a steel cantilever beam is arranged on the top of the steel beam to hang up the steel bar truss floor support plate bottom mould. After the floor support plate is paved, the steel bars are bound, and the bridge deck plate is poured. The steel bar truss floor support plate satisfies various loads such as structure and construction, can avoid construction procedures such as formwork erection, formwork removal, support system erection and removal and the like, and improves construction operation efficiency.

The invention relates to the technical field of fabrics and preparation thereof, and discloses a high-elasticity skin-friendly warm-keeping fabric and a preparation method thereof.Spandex fibers are used as core yarns, polyamide fibers are used as outer cladding layers, covering yarns are woven through a vortex spinning technology, the covering yarns are used as warp yarns, functional cotton fibers are woven into weft yarns, and the high-elasticity skin-friendly warm-keeping fabric is prepared. The functional composite material is obtained through reaction of epoxidized zirconium carbide and aminated graphene, and the fabric has the advantages of being good in moisture retention, warm to wear, free of stimulation to the human body, high in elasticity, good in moisture absorption, skin-friendly, soft, capable of achieving the heat storage effect and excellent in warm keeping effect.

The invention discloses a preparation method of a nano material based on active metal oxide and rare earth oxide, which is a preparation method of a nano material with low calcination temperature, controllable grain morphology, no carbon residue and high powder purity, soluble impurity ions, carbonaceous organic matters and the like are removed through secondary hydrolysis reaction, so that the purity of the nano material is improved, and the preparation method is suitable for industrial production. Therefore, the problems of organic matter residues, carbon element residues, non-uniform component distribution and non-uniform particle size in the existing nano material production process are solved, and the production cost of the synthesized composite material is reduced.

The present invention relates to the technical field of urine detection, specifically to a urine detection device and a detection method thereof, comprising: a device body, the device body comprising an A cup body and a B cup body, the interior of the A cup body and the B cup body being divided into a first, a second and a third zone from top to bottom. The present invention improves the shortcomings of the existing urine detection device by combining a urine collection vessel, a urine detection device and an A / B bottle type height, so that the function of the urine rapid detection device is maximized. Compared with the actual operation of the prior art, on the one hand, there is no need to worry about the urine container being exposed to the air for a long time and being contaminated, and on the other hand, it does not need to be transferred multiple times, and it is more convenient to use; again, the turbid urine sample specimen will automatically pass through the second one-way valve for filtration, and there is no need to place the urine specimen for a period of time and then take out its supernatant for use, and there is no need to worry about affecting the detection. Finally, there is no need to pay attention to the urine sample liquid level must be between the minimum scale and the maximum scale when using it.

The utility model discloses a muscle strength training device with an electric resistance function, which comprises a bed frame, at least one sliding rail is arranged in a longitudinal direction, two guide wheels are respectively arranged on two sides of a first end in the longitudinal direction, and a bed tail frame is arranged at a second end in the longitudinal direction; a sliding plate slides on a bed surface of the bed frame along the longitudinal direction; the two inhaul cables are respectively provided with a connecting end and a force application end, the two connecting ends are connected with the sliding plate, and the two inhaul cables wind around the two guide wheels and are in linkage with the sliding plate through the two force application ends to move in the first direction. An electric resistance unit generates resistance through the power source, the resistance is transmitted to a pull rope, the pull rope is connected with the sliding plate, the resistance enables the sliding plate to move in the second direction, and the second direction is opposite to the first direction. Therefore, the output form of the resistance can be easily adjusted and changed.

The invention discloses a preparation method of a high-purity aluminum magnesium oxide nano material precursor, and relates to the technical field of nano material preparation. Soluble impurity ions, carbonaceous organic matters and the like are removed through hydrolysis reaction to obtain the precursor without impurities and carbonaceous substances, so that the purity of the nano material is improved, the defects of the existing nano material are overcome, and the performance of the nano material is improved. The hydrolysis reaction can be realized without adjusting the pH value, and the obtained precursor has the characteristics of better chemical activity and uniform components compared with the material prepared by the traditional method, so that the nanomaterial has more complete grain morphology and more uniform components.

The utility model discloses a novel portable drinker for pigs, which can prevent drinking water from being polluted in a live pig feeding process. The novel portable drinker comprises a water storage barrel, a counterweight base, a water filling nozzle cover, a duckbilled drinker, a supporting rod and a water barrel supporting platform, a fixing hole is formed in the center of the balance weight base, the supporting rod can be inserted into the fixing hole to be fixed, and a water bucket supporting platform is arranged in the middle of the supporting rod and can support the water storage bucket. A supporting hole is formed in the center of the water storage barrel and can be fixedly connected with the upper portion of the supporting rod, a round water injection opening is formed in the upper portion of the water storage barrel, a water injection opening cover can be arranged on the water injection opening, and the duckbilled water fountain is arranged at the bottom of the periphery of the water storage barrel and can play a role in preventing a water source from being polluted. The structure of a traditional water feeding device is changed, the duckbilled water dispenser is innovatively used in the movable water dispenser, the possibility that drinking water is polluted by animal waste or sundries is reduced, meanwhile, the possibility that the drinking water is splashed out to pollute the breeding environment is reduced, and the breeding environment is protected. Therefore, the effects of improving the breeding environment, improving the health of live pigs in a farm, improving the growth performance of the live pigs and assisting in judging the health condition of swinery are achieved.