106results about How to "Small ups and downs" patented technology

The invention belongs to the technical field of radar moving target tracking and particularly relates to a before-radar-target-detecting tracking method based on track enhancing. According to the tracking process, first, for multi-frame original data, non-parametric track initial batch processing operation is carried out, and a target trace point set is obtained; then according to target track state parameters updated in real time and errors in measurement, a corresponding parameterization track enhancing operator is designed; and finally current measuration is combined, and a parameterization track enhancing method is used for carrying out prediction tracking. The method is characterized in that closed loop feedback is achieved, during track enhancing operation, multi-frame measuration and states can be fully used, detecting tracking accuracy and precision can be improved, the method has the advantage that under the condition of the low signal-to-noise ratio, detecting and tracking integration processing can be achieved, and the method can be used in the field where monitoring systems such as radar are used for detecting and tracking a long-distance highly-maneuvering target with weak echo signals.

A glarofilm used in a polarizing plate and display includes a photic resin layer, a first and second photic micrograins, the first are distributed on the surface of the photic resin layer with the nm diameter between 9~500 nm, its index of refraction is same with the photic resin layer, nm grains make the surface to be fine to reduce large angle diffusion caused by too big fluctuation due to the rough surface, the second photic micrograins are scattered in the photic resin layer which index of refraction is different from the resinlayer, so the inside and outside light rays are diffused by the two photic micrograins so eyes will not feel dazzling even though the light is diffused.

The five-foot wall climbing robot as one small robot consists of frame, leg mechanism, driving mechanism and control system, and has five feet with adsorbing electromagnet. Its frame consists of front frame and back frame, the front frame is provided with straight motor and reducer combination and has on the output shaft two symmetric and synchronous sets of leg mechanisms and electromagnets, and the back frame is also provided with straight motor and reducer combination and has on the output shaft two symmetric and synchronous sets of leg mechanisms and electromagnets. The front frame and the back frame capable of rotating and floating are driven with a middle turning motor, and the leg mechanism is four-link rod mechanism. The robot is novel in structure, simple, small and smart, can crawl and turn on plane in any inclination and may be used in job in narrow space and dangerous area.

The invention discloses a coherent light detection system and method for optical fiber delay line phase control. The output end of an optical fiber laser device is connected with the input end of an optical fiber branching unit. A first output end of the optical fiber branching unit is connected with an input end of a modulator. The other input end of the modulator is connected with an external RF signal generator. The output end of the modulator is connected with an input end of an optical fiber combiner. A second output end of the optical fiber branching unit is connected with the other input end of the optical fiber combiner. An optical fiber delay line is connected in series between the output end of the modulator and an input end of the optical fiber combiner, or the optical fiber delay line is connected in series between the second output end of the optical fiber branching unit and the other input end of the optical fiber combiner. The output end of the optical fiber combiner is connected with the input end of a photoelectric detector. According to the coherent light detection system and method for optical fiber delay line phase control, phase control can be achieved through the optical fiber delay line, and phase difference between reference light and a signal light branch is compensated, so that receiving sensitivity, the signal to noise ratio and system output stability are improved.

The method comprises: a) before infiltrating the tracer agent into the target layer, using a pulsed neutron dual-spectrum saturation logger to collect the well logging base value data; 2) infiltrating the tracer agent containing Gadolinium into stratum, and measuring the data after infiltration; 3) making the tracer to squeeze into the stratum, and measuring the data after squeezing; 4) processing and explaining the data.

A hole bottom energy gathering and dissipating device suitable for an inclined blast hole and capable of improving the blasting excavation flatness of a foundation surface. The hole bottom energy gathering and dissipating device comprises a polyvinyl chloride pipe (1). A gravel layer (7), an energy gathering and dissipating base (5), a kraft paper pad (4) and an energy gathering explosive layer (2) are arranged in the polyvinyl chloride pipe (1) in sequence from bottom to top. The pipe wall of the polyvinyl chloride pipe (1) is provided with energy gathering holes (3). A columnar groove (8) is formed in the center of the energy gathering explosive layer (2). The hole bottom energy gathering and dissipating device has the advantages that the device is arranged in the inclined blast hole, so that operation is fast and convenient, and a good blasting effect is guaranteed; since the advantages of energy gathering explosives and the advantages of the energy gathering and dissipating base are combined, the breaking effect on the bottom of the hole in the horizontal direction is better, damage to the bottom of the hole in the vertical direction is smaller, and the excavated foundation surface is smoother; all the structures are assembled into a whole through the polyvinyl chloride pipe with the energy gathering holes, so that transportation, arrangement during construction and batch production are facilitated, and the efficiency of blasting operation is improved; the excavated foundation surface is small in fluctuation, and the workload of manual excavation in a later period is reduced or even omitted.

The invention discloses an arc array of a transducer and a preparing method. The preparing method includes the following steps that a ceramic material is attached to a lining; the ceramic material is cut, and a ceramic particle array is obtained; the lining and the ceramic particle array are integrally bent; the bent ceramic particle array is poured; the lining is torn off; electrodes are laid on the ceramic particle array, and weighing control is conducted on the shape of the electrodes. The invention further discloses the arc array of the transducer. The arc array comprises the ceramic particle array with an arc section and the electrodes laid on the inner arc face and the outer arc face of the ceramic particle array. The ceramic particle array is composed of ceramic particles which are even in size and arranged side by side at equal intervals. The arc array of the transducer and the preparing method have the advantages that the preparing technology is simple, consistency is good, the impedance unimodality is good, fluctuations in wave beams are small, and the arc array is suitable for mass preparing.

Disclosed are a comb-shaped parking rack (1) for a parking garage and a suitable conveyance bogie (3), wherein the comb-shaped parking rack (1) comprises bases (1_1), rails (2) are provided on the ground between adjacent bases (1_1), longitudinal and transverse rails (2) intersect in a cross shape, a guide wheel channel (2_3) is provided at the intersection point of the longitudinal and transverse rails (2), an upper part of the bases (1_1) is provided with an overhanging comb beam (5_1), a side of the comb beam (5_1) is provided with comb teeth (6_1), and a space for the conveyance bogie (3) to travel and change direction is provided below the comb beam (5_1) and the comb teeth (6_1). A comb-shaped access frame (4) is provided on a vehicle frame (3_1) of the conveyance bogie (3) and the comb-shaped access frame (4) comprises a lifting column (4_1) and a comb beam (5_2) provided with comb teeth (6_2). The parking rack and the conveyance bogie can flexibly select a rational path to convey a vehicle so as to avoid obstacles, effectively reducing the time in accessing the vehicle, and increasing the vehicle storage density of a planar site.

The invention provides a double resonance double-excitation longitudinal vibration transducer, comprising a radiation head (1), a front crystal stack (2), intermediate mass (3), a back crystal stack (6), a tail load (7), a first insulation spacer, a second insulation spacer, a third insulation spacer, a forth insulation spacer, a nut (8) and a prestressed screw (12). By adjusting the series / parallel condition between each piezoelectric ceramic element in the front crystal stack (2) and the back crystal stack (6) and adjusting the connection mode of positive and negative electrodes of the front crystal stack (2) with the positive and the negative electrodes of the back crystal stack (6), a broadband emission transducer or a narrow-band high sensitivity emission transducer can be obtained respectively. The double resonance double-excitation longitudinal vibration transducer provided by the invention is characterized by low mechanical quality factor Qm, wide frequency band, less fluctuation and high sensitivity, and can be used as a broadband or narrow-band sound source in various detecting sonars, unmanned underwater vehicles or underwater communicators.

Disclosed are an anode structure of a top-emitting organic display and a manufacturing process thereof, and relates to a top-emitting organic light-emitting device, in particular to a low resistivity anode structure applied to a top-emitting organic display and a manufacturing process thereof. The anode structure of the top-emitting organic display includes forming an electrode via coating films on a silicon substrate, which is characterized in that four layers of films are coated on the silicon substrate, namely a high purity chromium film layer, a high purity aluminum film layer, a high purity chromium film layer and a high purity aluminum film layer from the silicon substrate layer to the top, besides radio-frequency sputtering process, PVD process is utilized, and pre-heating treatment and metal coating process are performed on the silicon substrate. The novel anode structure has high conductivity and economical property and is easy to be coated, the OLED light emitting efficiency of the novel anode structure is increased to 30% due to the relatively low absorption coefficient of light and higher reflection coefficient of light, and thereby the performance of the novel anode structure is superior to the existing anode structure.

The invention relates to a double-acting lift-positioning energy-saving gas stove, and the technical scheme thereof is as follows: at least two outward-tilting bars are evenly arranged at the bottom of a hearth along the circumferential direction and are evenly distributed on the outer edge of a cavity cover; at least two inward-tilting bars are evenly arranged at the bottom of a lift fire tray along the circumferential direction and are evenly distributed on the inner edge of the cavity cover; the outward-tilting bars and the inward-tilting bars correspond to each other in a one-to-one manner and are in matched connection via a tilting plate respectively, the middle part of the tilting part is arranged on the cavity cover in a hinged manner, the outer end of the tilting end props upwardsand supports the outward-tilting bar, the inner end of the tilting plate props upwards and supports the inward-tilting bar, and the hearth and the lift fire tray are lifted relatively; and the lower end of the cavity cover is connected with a diverter, the upper part of the diverter is provided with a gas transmission conduit, the lower part of the lift fire tray is provided with a guide sleeve, and the gas transmission conduit is arranged in the guide sleeve to form a sliding guide pair. The invention has the advantages of simple and reasonable structure, safety, environment protection, energy conservation, no noise in the lift process, manufacturing materials saving and light overall quality, and is suitable for pans in various specifications.

The invention provides a system composed of a hydrocarbon transfer buoy (2, 82) and a vessel (3, 95), the buoy having a length (H1,H2,H3) of at least 50 m and a length-to-width ratio of at least 10: 1, and comprising a submerged buoyancy member (5,6,7,85) having a length of at least 30 m and being situated at a depth of at least 10 m below water level, a support frame (10,96) being connected to the top of the buoyancy member and projecting above water level, the support frame carrying a support deck (11,91) and a mooring buoy connector (36, 99,102) for attaching to a mooring arm connector (21,100) of the vessel, which mooring arm connector is situated on an arm (4,92) projecting outboard from the vessel's hull, the buoy being anchored to the sea bed via anchor lines (23,24,83,84) which extend at an angle to a vertical direction, at least one hydrocarbon riser (12,13,93,94) being attached to the buoy, the support frame (10, 96) is an open support frame, the buoyancy member being connected to the sea bed via at least one substantially vertical taut tendon (31,32,33).

The invention discloses a preparation method of a polyvinyl alcohol composite film with embedded silver-wrapped nanoparticles, comprising the following steps: (1) preparing a polyvinyl alcohol-silver nitrate solution; (2)preparing a polyvinyl alcohol-silver nitrate film by using spin coating method or casting film method; and (3) irradiating the polyvinyl alcohol-silver nitrate film with ultraviolet light. The prepared composite film has the characteristics of uniform metal nanoparticle size distribution, controllable dimension, uniform shape, and uniform dispersion.

A form rolling apparatus for applying in-feed form rolling to a rod-shaped material (W) includes a support portion (20) configured to support the rod-shaped material (W) to be axially rotatable, a round die (35, 45) formed with die teeth (T1, T2) on an outer periphery thereof, the die teeth (T1, T2) configured to be positioned facing an outer periphery surface of the rod-shaped material (W), and a moving device (36, 46) moving the round die (35, 45) so that a distance of axes of the round die (35, 45) and the rod-shaped material (W) changes. The die teeth (T1, T2) includes forming die teeth (T1) for generating gear teeth (T3) on the outer periphery surface of the rod-shaped material (W) and finishing die teeth (T2) enhancing a tooth surface precision of the generated gear teeth (T3) by engaging with the generated gear tooth (T3) and rotating. The finishing die teeth are formed in a configuration each having an addendum that does not come to contact a bottom land of the generated gear teeth (T3).

The invention discloses a transparent electrode and a preparing method of the transparent electrode. The transparent electrode and the preparing method of the transparent electrode are characterized in that the transparent electrode is formed by attaching a silver nanowire and a zinc oxide nanowire to a transparent substrate through a monolayer structure in a mixing and assembling mode. The silver nanowire and the zinc oxide nanowire are effectively compounded to form the monolayer structure. With the compound structure, the nanowire and the zinc oxide nanowire are connected on the two-dimensional dimension, and the performance of a compound film is superior to any film under the synergistic effect of the nanowire and the zinc oxide nanowire. The structure is mainly achieved through self nano assembly, the means of high-temperature solidifying, high-pressure forming and the like are combined, and the transparent electrode can be widely applied to transparent substrates such as glass substrates and PET substrates. Compared with a zinc oxide film and a silver nanowire single-structure film, the transparent electrode with the structure has the excellent performance of being smooth and even in surface, high in electric conductivity, good in light permeating performance, low in haze and the like, and the obtained transparent electrode can be widely applied to various circuit devices.

The invention belongs to the technical field of agricultural tillage whole machinery, particularly relating to a rotary-cutting and turning type ploughing in green device of green manure, which comprises a rotary soil-cutting unit and a soil discharging and green burying unit, wherein, the rotary soil-cutting unit and the soil discharging and green burying unit are mounted with a certain angle therebetween; the rotary soil-cutting unit comprises two side cutters and a transverse cutter which is Y-shaped and the included angle of which is not larger than 170 degrees; and the soil discharging and green burying unit comprises two lateral plates and a top roll. The device is suitable for the ploughing in green operation of milk vetch, hairy vetch, common vetch, white clover, red clover and other green manure crops. Particularly, the rotary soil-cutting unit can cut the soil on which green manure crops grow into rectangular furrow slices, the furrow slices are turned over by 180 degrees under the auxiliary action of the soil discharging and green burying unit, thereby the green manure crops are buried into the soil, the spreadability of ploughing in green of the green manure is good, thereby the use ratio of the green manure is greatly improved.

An optical information recording medium comprising a substrate and a phase-change recording layer including a crystal portion, which is brought into an unrecorded / erased state, and an amorphous portion, which is brought into a recorded state, for recording information by using recording marks whose shortest mark length is 0.5 mu m or less, is characterized in that erasure is effected by recrystalization substantially progressed by the growth of crystals from the boundary between the amorphous portion or a fusible portion and the peripheral crystal portion. The medium has a feature that high-speed overwrite is possible, the jitters at the mark edges are small, high-density variable mark-length recording is possible, and the stability of the marks with time is very good. An optical recording method suitable for such a medium is also disclosed.

In order to overcome the defect that the polarization of an input laser beam cannot be accurately adjusted and maintained by an existing beam expansion collimator, the invention provides a polarization-adjustable laser beam expansion collimator employing magnetic optical trap, optical trap and other structure cold atomic physical experiment systems. A polarization prism and a slide of which polarization axis can be independently and accurately adjusted are arranged in an optical path, the polarization state of a light beam input from a polarization-maintenance optical fiber can be accurately adjusted and maintained, the fluctuation of a laser power is reduced, the change of the polarization state of an emergent light beam caused by the polarization-maintenance optical fiber is eliminated,and the requirement of high-quality ultracold atom preparation is met.

The invention relates to a pressure-resistant type underwater sound cylindrical transducer array. The pressure-resistant type underwater sound cylindrical transducer array comprises an upper cover housing, a cylindrical part and a lower cover housing, the upper cover housing and the lower cover housing are respectively and fixedly connected to the upper end and the lower end of the cylindrical part, the cylindrical part comprises an aluminum inner cylinder, an array rack, a rubber outer wall and a plurality of transducer array elements, the array rack is an annular cylinder, the array rack isprovided with a plurality of installing holes matched with the transducer array elements, the plurality of transducer array elements are respectively arranged in the installing holes, and the array rack is arranged between the aluminum inner cylinder and the rubber outer wall in a sealed manner. According to the technical scheme, the plurality of transducer array elements form a cylindrical transducer array, the cylindrical transducer array has high pressure resistance and small fluctuation of sound pressure in a horizontal wave beam, and the technical problem that the detection effect of a cylindrical sonar is influenced due to poor pressure resistance and large fluctuation of the directivity of the horizontal wave beam of the conventional cylindrical array transducer is solved.

The invention discloses a deformation wheel with a hydraulic interconnection conversion structure, which mainly comprises a wheel hub, a moving wheel rim unit and telescopic wheel spoke units, whereinthe moving wheel rim unit comprises an arc-shaped inner frame and an arc-shaped outer frame, the moving wheel rim unit forms a wheel rim structure through a serial connection mode of head to tail; the cambered surface of the wheel hub is provided with a fixed flange; two telescopic rods on the same fixed flange form a group of telescopic spoke units, wherein two ends of one telescopic rod are straight ends, two ends of the other telescopic rod are provided with U-shaped clamping arms, the adjacent telescopic spoke units are riveted and connected through the straight ends and the U-shaped clamping arms and also clamped in a pin hole of the arc-shaped inner frame; the telescopic rod consists of a fixed rod, hydraulic sleeves and a moving rod, and adjacent hydraulic sleeves and a nitrogen damping bag are communicated with each other through a three-way oil pipe. According to the invention, the deformation wheel which is deformable in the circumferential direction and the radial directionis constructed, the deformation flexibility is high, the deformation recovery capability is strong, the deformation wheel can adapt to various landforms such as upstairs and downstairs, obstacle crossing and the like, and the deformation wheel is suitable for wide popularization and use.

In order to obtain a speaker device in which the localization point of a sound source is located at a distant place, providing a feeling of expanse (deepness) without involving an oppressive feeling due to sound pressure, and a good operability that makes it possible to reproduce sounds with frequency characteristics covering the high frequency range, and to achieve size reduction, there is provided a speaker device designed so that the sounds from speakers (2L, 2R) are emitted obliquely rearward to be reflected by reflection plates (8L, 8R) pivotally mounted on the back plates (7L, 7R) of a speaker cabinet (1L, 1R), the reflected sounds being directed to the audience.

The invention relates to an array substrate manufacturing method, an array substrate and a display device, and belongs to the field of display equipment. The array substrate manufacturing method comprises the following steps of forming a metal pattern with the thickness of (d) on a substrate; forming an insulating film layer on the substrate with the metal pattern; and forming a semiconductor layer and a source and drain metal layer pattern on the substrate with the insulating film layer. The insulating film layer and the metal pattern are overlapped partially, and an absolute value of a height difference between an overlapped region of the insulating film layer and the other region of the insulating film layer is smaller than d. Because the absolute value of the height difference between the overlapped region of the insulating film layer and the other region of the insulating film layer is smaller than d, fluctuation of other patterns formed on the substrate with the insulating film layer is reduced correspondingly, the breakage rate of wires formed on the insulating film layer can be reduced, and the yield of products and be improved.

The disclosed method for manufacturing an aluminosilicate glass substrate for hard disks includes a step in which an aluminosilicate glass substrate is polished using a liquid polishing composition that contains silica particles, a polymer containing sulfonic acid groups, and water, with the adsorption constant of said polymer with respect to aluminosilicate glass being between 1.5 and 5.0 L / g. Said polymer preferably contains an aromatic ring and has a weight-average molecular weight preferably between 3,000 and 100,000.

The invention discloses a Micro-LED micro display chip and a manufacturing method of the Micro-LED micro display chip. The Micro-LED micro display chip comprises a substrate, a plurality of LED chips and a plurality of LED chips, the plurality of LED units are arranged in an array and are arranged on the substrate, and the adjacent LED units can be independently driven; the plurality of bonding metal pads are arranged on the substrate; wherein the substrate comprises a driving circuit, the driving circuit is provided with a plurality of contacts, and each contact is electrically connected with the LED unit through a bonding metal pad. According to the Micro-LED micro display chip provided by the embodiment of the invention, the depth of the etching hole is shallower, the exposure and passivation layer hole opening process is easier to control, the flatness of the subsequently formed electrode layer is better, and the fluctuation of the electrode layer at the corresponding contact is smaller.

The invention relates to a sidesway roller. The sidesway roller comprises a steel tube, two or more radial plates, idler wheels and spindle heads. The radial plates are sequentially welded to the steel tube side by side, and the distances between every two adjacent radial plates are equal, each radial plate is connected with two of the idler wheels, the idler wheels are welded to the two ends of the radial plates respectively, and the two spindle heads are welded to the two ends of the steel tube respectively. The sidesway roller for carrying an automobile has the advantages that loads are large and operation is stable, and the spindle heads at the two ends can be used for being connected with a bearing block or a transmission structure.

The invention belongs to the technical field of unmanned navigation equipment releasing and recovering devices, and provides an unmanned navigation equipment recovering and releasing system. The unmanned navigation equipment recovering and releasing system comprises a mother ship and a lifting platform, wherein a dock communicating with the water surface is formed on the side edge of the mother ship, and the lifting platform is arranged in the dock. The lifting platform can descend below the water surface and ascend above the water surface, the lifting platform is used for carrying unmanned navigation equipment and located in the dock, and therefore the lifting platform can be less influenced by stormy waves outside the mother ship, the shaking and fluctuating of the lifting platform can be reduced, and the collision risk between the unmanned navigation equipment and the lifting platform due to shaking is lower; and thus, the recovering and releasing of the unmanned navigation equipment can be effectively realized, and the unmanned navigation equipment recovering and releasing system is particularly suitable for terrible ocean environments, is simple in operation and low in labor dependence and can ensure the safety of the unmanned navigation equipment and prevent the unmanned navigation equipment from damage.

The invention provides a flight path tracking device and radar, and relates to the unmanned plane defense technical field; the flight path tracking device and radar comprises a position gatherer, a recursive filter and a controller; the position gatherer obtains the first unmanned plane position information and a first matching state between a radar plot and the flight path, sends the first unmanned plane position information to the recursive filter, and sends the first matching state to the controller; the recursive filter carries out burr filtering for the first unmanned plane position information so as to obtain the first filter information, and sends the first filter information to the controller; the controller predicts the second unmanned plane position information according to the first filter information, adjusts the first matching state so as to obtain a second matching state, and fuses the second unmanned plane position information with the second matching state, thus obtaining the third unmanned plane position information, reducing orientation fluctuations, and accurately measuring the unmanned plane azimuth angles without being affected by different filtering coefficients.

A small-sized diaphragm for a speakers exhibiting excellent acoustic performance can be obtained at low cost by mixing a cellulose-based powder, which has a particle size distribution of 5-500 m and is imparted with affinity to non-chlorine resins through a surface treatment such as esterification, to a non-chlorine resin in such an amount that the ratio of cellulose in the mixed material is 30-70 wt%.

The invention discloses a deformation wheel with a pulley and steel cable connection structure, which mainly comprises a wheel hub, a moving wheel rim unit and a telescopic wheel spoke unit, wherein the moving wheel rim unit comprises an arc-shaped inner frame and an arc-shaped outer frame, the moving wheel rim unit forms a wheel rim structure through a serial connection mode of head to tail; thetelescopic spoke unit comprises a fixed frame, a sliding sleeve and a tension spring, wherein two ends of the tension spring are provided with circular rings, the tension spring is sleeved with the sliding sleeve, a rail wheel of the sliding sleeve is clamped on the inner frame of the fixed frame, one ends of the tension spring and sliding sleeve are clamped in the arc-shaped outer frame, the fixed frame is clamped in a clamping groove of the wheel hub through a clamping plate; four corners of the fixed frame are provided with four pulleys, two pulleys, the circular rings and the rail wheel are connected in series through an outer steel cable, and the other two pulleys are connected in series with a fixed point of the steel cable on the sliding sleeve by an inner steel cable. According tothe invention, the deformation wheel which is deformable in the circumferential direction and the radial direction is constructed, the deformation flexibility is high, the deformation recovery capability is strong, the deformation wheel can adapt to various landforms such as upstairs and downstairs, obstacle crossing and the like, and the deformation wheel is suitable for wide popularization and use.