174results about How to "Achieve launch" patented technology

The invention discloses a radar signal transmitting and receiving system and method with the function of supporting multiple waveforms. The system comprises an FPGA module and a DSP module. The FPGA module includes a waveform sending module, an echo receiving module and a chip configuration module. The system and method have characteristics of flexible control, high expansibility and high adaptability; the anti-interference performance of the system is enhanced by dynamic switching between waveforms; and requirements of fast tracking and recognition of moving targets are met.

In a particular embodiment, a method is disclosed that includes receiving a feedback message at a transmitter, the feedback message including an indication of a magnitude of congestion and a sustainable rate of data transmission at a receiver. The method also includes determining a decongestion rate and a decongestion time based on at least one of the sustainable rate of data transmission and the magnitude of congestion when the magnitude of congestion satisfies a threshold value. The method further includes sending data at the decongestion rate from the transmitter to the receiver for the decongestion time. The method also includes adjusting a data transmission rate at the transmitter to the sustainable rate of data transmission after the decongestion time is ended.

The invention discloses a multi-nozzle airspray ball-service device for a volleyball smashing training device, comprising a ball-service device arranged on a base. One end of a ball outlet groove right opposite to a ball inlet and is fixed on a separator by a fixed frame at the upper end, and the other end surface of the ball outlet groove is opposite to a nozzle seat; both sides of the nozzle seat are symmetrically movably matched and connected with a pair of guide rods which are vertically arranged, and five nozzles are symmetrically distributed in a cross on the nozzle seat, a high-speed electromagnetic valve is arranged at the lower end of each nozzle, and a shooting cylinder is arranged above the nozzle seat; one side of an air storage tank fixed at the base of a box body is provided with an air inlet for pipeline connection with an air supply hole of an air compressor, and the other side of the air storage tank is symmetrically provided with seven air outlets for respective pipeline connection with five rapid electromagnetic air valves and air cylinders. The invention has reasonable structural design, provides volleyballs running at high speeds for volleyball training and controls ball-service timing and rotational states of the volleyballs after being smashed by a trainer smashing baffle while the trainer smashing baffle is at any angle.

The invention belongs to the semiconductor device technical field, and specifically relates to a semiconductor device for controlling a light-emitting diode LED by a silicon-based MOS tube, an array and a manufacturing method thereof. The semiconductor device comprises at least two semiconductor substrates, and a silicon-based MOS transistor formed on the semiconductor substrates, and the LED. In the invention, the LED and the silicon-based MOS transistor are integrated on the same chip, thus realizing image emission only by the single chip. A plurality of the semiconductor devices can form a semiconductor device array. The projector manufactured by the method of the invention has the advantages of small volume, low power consumption, portability and the like; and by use of the integrated circuit chip, the system of the projector is greatly simplified, production cost is lowered and pixel and brightness are significantly improved.

The invention discloses a split-type hopkinson torsion bar energy storing and releasing device as well as an operation method thereof, which can realize impact torsion energy storing and releasing bya simple mechanical structure. The apparatus comprises a hopkinson incident bar, a clamping mechanism, a releasing mechanism, and a guiding mechanism. The operating method is characterized in that theHopkinson incident bar is clamped by the clamping mechanism and guiding mechanism, the torque storage is realized, by designing the releasing device, the stored torsion energy is subjected to instantrelease, so that the shock loading effect can be simulated, and the impact experiment simulation condition is provided; and at the same time, the loaded shock loading is determined by torsion turns numbers, which is conveniently controlled; the split-type hopkinson torsion bar energy storing and releasing device is suitable for different loading devices, and is repeatedly usable without materialconsumption. The device has the advantages of simple structure, low cost, easy control, and convenient operation.

The invention discloses a two-color full-fluorescent white-light OLED device. A light-emitting layer of the device is formed by a blue fluorescent light-emitting layer and an excimer doping layer. Theblue fluorescent light-emitting layer is close to the side of a hole transport layer, and the light-emitting material is same with the electron transfer layer material; and the excimer doping layer is close to the side of an electron transfer layer, and is formed by doping an excimer donor material in an excimer receptor material, which is same with the electron transfer layer material. The excimer doping layer can realize yellow light emission, which is complementary to blue light emission of the blue fluorescent light-emitting layer to form white light, thereby realizing double-color whitelight emission. In the OLED device, the blue fluorescent light-emitting layer material and the excimer receptor material and the electron transfer layer material are same, so that the device is simplein structure, easy in the preparation process and low in cost.

The invention relates to a benzothiophene derivative room-temperature phosphorescent material with room-temperature phosphorescent emission characteristics, and the phosphorescent life of a crystal can reach the ms class; and the invention also provides a preparation method of the benzothiophene derivative room-temperature phosphorescent material. The preparation method comprises the following steps: under inert gas protection, with halogen atom substituted benzothiophene sulfoxide, carbazole or phenothiazine or phenoxazine or dimethyl acridine or alkoxy as raw materials, adding a palladium catalyst, alkali, a ligand and a solvent, and reacting at 80-120 DEG C for 24 to 72 hours; then, extracting, removing the solvent, and drying to obtain a crude product; and purifying the crude product to obtain the benzothiophene derivative room-temperature phosphorescent material. The method is simple and convenient, and can effectively provide the intersystem crossing from singlet-state excitons to triplet-state excitons, so as to improve the radiative transition rate of the triplet-state excitons, promote the transition from the triplet-state excitons to ground-state excitons, and realize theroom-temperature phosphorescence emission.

The invention belongs to the technical field of materials, in particular a method for controlling and synthesizing rare-earth europium and dysprosium doped long afterglow and photostimulated luminescence. The method comprises the following steps: using a chemical coprecipitation method to prepare gelatin precursor of C12A7 doped with the europium and dysprosium together, dissolving Eu2O3 and Dy2O3in HNO3 under the condition of heating; dissolving raw materials of pure Al(NO3)3 and Ca(NO3)2 in water; after uniformly mixing the solution, adding a precipitator of NH3.H2O; drying, dewatering, sintering, grinding and reducing the obtained gelatin precursor to obtain the C12A7 powder doped with the europium and dysprosium (C12A7: Eu, Dy). The invention realizes the blue long afterglow and the photostimulated luminescence. The result is shown that the C12A7 powder doped with the europium and dysprosium is hopefully used for the fields of dim light luminance, night viewing, an indicator, light storage, light information processing and the like.

The invention relates to design synthesis and application of a near-infrared two-window fluorescence probe based on Aza-BODIPY, and belongs to the field of organic fluorescence probes. A near-infraredtwo-area dyestuff (NIR-II, 1000-1700nm) has a long emission wavelength and less light scattering and tissue autofluorescence interference so as to obtain better resolution ratio and imaging depth inbioimaging. An Aza-BODIPY fluorescent dye has a longer absorption emission wavelength, a narrower peak width at half height and a larger molar extinction coefficient, and is widely applied to the fields such as photodynamic therapy. The structural formula of the near-infrared two-window fluorescence probe designed and synthesized by the invention is as shown in the figure (I). According to the probe, electron-donating group julolidine is introduced onto the classic Aza-BODIPY structure, and the molecular rigidity is improved. The probe has excellent light stability and a capacity of resistingdisturbance. The probe successfully realizes near-infrared two-window imaging during the mice imaging experiment.

The invention discloses an audio wireless transmission method. According to the technical scheme, an audio conversion device is used for converting a received Bluetooth audio signal into an infrared audio modulation signal, then the infrared audio modulation signal is sent to an infrared receiving acoustic device which is used for demodulating the received infrared modulation signal to generate an audio signal, and an audio amplifying circuit is used for driving an acoustic loudspeaker to produce sounds. The audio wireless transmission method and the acoustic device aim to overcome the defect of an existing wireless audio transmission technology, an application that the Bluetooth and the infrared audio transmission technology are combined is provided, Bluetooth audio playing of a standard main end sound source device can be supported, and the audio transmission method that a plurality of acoustic receiving end devices can simultaneously receive can also be achieved. The invention further provides the application that the Bluetooth and the infrared audio transmission technology are combined and an audio wireless transmission acoustic device which can support Bluetooth audio playing of the standard main end sound source device and also can achieve simultaneous receiving of the acoustic receiving end devices.

Disclosed is an antenna structure, applied in a communication terminal. The communication terminal comprises a metal bezel. The metal bezel comprises at least one gap. The antenna structure comprises:a near-field communication (NFC) antenna and a non-NFC antenna. The NFC antenna comprises an NFC radiator, a first filtering unit, and an NFC circuit. The non-NFC antenna comprises a non-NFC radiator, a second filtering unit, and a non-NFC circuit. The NFC radiator and the non-NFC radiator are formed of the metal bezel of the communication terminal. The non-NFC radiator is totally within the NFCradiator. The NFC circuit is coupled to the NFC radiator by means of the first filtering unit. The non-NFC circuit is coupled to the non-NFC radiator by means of the second filtering unit. The first filtering unit is used for filtering out a non-NFC signal generated by the non-NFC circuit. The second filtering unit is used for filtering out an NFC signal generated by the NFC circuit.

The invention relates to panchromatic fluorescent powder for a white LED (light emitting diode) and a preparation method of the panchromatic fluorescent powder. The preparation method comprises the steps of weighing a certain amount of Tb4O7 to prepare a Tb<3+> solution, recording as a solution A, weighing and adding Sr(NO3)2, Mg(NO3)2-6H2O, H3BO3 and carbamide into the solution A, fully stirring to allow Sr(NO3)2, Mg(NO3)2-6H2O, H3BO3 and carbamide to be dissolved, obtaining a solution B, adding Si(OC2H5)4 into absolute ethyl alcohol to obtain a solution C, adding the solution C into the solution B to form beige sol, naturally cooling to the room temperature after the cooled sol is burnt, obtaining precursor powder, placing the precursor powder into a muffle furnace with a reducing atmosphere, keeping warm for 2-10h, and obtaining the fluorescent powder after cooling. The prepared fluorescent powder is only doped with an active ion, and excited by the active ion to emit white light; the synthesis cost is lower; a preparation technology is simple to operate; crystals grow well; and the dispersity is good.

The invention relates to a silver nano-cluster fluorescent nanorod, a preparation method thereof, and an application of the nanorod in white LED. The fluorescent nanorod is formed by self-assembling Ag9 and hydrochloric acid in an aqueous solution. The Ag9 fluorescent nanorod prepared in the invention has outstanding optical properties, still maintains excellent fluorescent performances after being freeze-dried into a powder, can be used to prepare orange red light-emitting LED with a good stability, and can be mixed with a commercial blue phosphor and a commercial green phosphor according toa mass ratio of 10:5:1 to prepare the white light-emitting LED. The luminescent silver cluster can successfully replace the light conversion material of traditional materials in order to provide possibility for producing environmentally-friendly LEDs. The preparation method of the silver nano-cluster fluorescent nanorod of the invention has the advantages of simplicity and low cost; and the prepared LED has an excellent luminous intensity, and meets environmental protection requirements.

The invention relates to the technical field of electroplating equipment, in particular to electroplating equipment capable of automatically supplementing an anode material. The electroplating equipment comprises a box body, an electrolytic bath is arranged in the box body, a uniform mixing mechanism for uniformly mixing electrolyte in the electrolytic bath is arranged on the bottom wall of the electrolytic bath, electroplating protection can be carried out on objects with different shapes, and moreover, an electroplated object can be pushed out by utilizing the pushing of a pushing mechanism; the concentration of the electrolyte can be detected, and the concentration of the electrolyte can be improved; the homogeneity degree of the electrolyte can be detected, the homogeneity of the electrolyte can be realized, and precipitation is prevented; the electrolyte can be recycled, and the utilization efficiency of the electrolyte is improved; and the powder of the anode material can be automatically supplemented, the difficulty of directly replacing the anode in the prior art is improved, the waste of the anode material is avoided, and the utilization rate of the anode material is improved.

The invention discloses a coaxial laser integrating optical transmit-receive functions in the technical field of optical communication. A pipe cap and an optical transmit-receive component carrier form a sealing structure, the sealing structure is internally provided with an optical branching component and an optical transmit-receive component which are respectively fixed on the optical transmit-receive component carrier, the optical transmit-receive component is provided with optical transmitting terminals and optical receiving terminals, the optical branching component is provided with an optical filter of 45 degrees, the front surface of the optical filter is coated with a reflecting film and an anti-reflection film, and the back surface of the optical filter is coated with the anti-reflection film or is not coated with a film, and the optical filter is arranged at the uppermost part of the optical branching component with 45 degrees; the optical transmitting terminal or the optical receiving terminal is arranged at the side of the front surface of the optical filter of 45 degrees, and the corresponding optical transmitting terminal or the optical receiving terminal is arranged at the lower part of the back surface of the optical filter of 45 degrees. Through coupling welding once, peripheral matched structural parts are saved by half, the processing time of subsequent coupling production is shortened by half, integration of transmission and detection, miniaturization and low cost of a photoelectric device are realized, and the stability of optical integration and convergence is high.

The invention provides a multifunctional integrated active antenna subarray. The multifunctional integrated active antenna subarray comprises a plurality of dry cooling plate assemblies, a comprehensive back plate assembly, a radiator and a fixing plate, and the dry cooling plate assemblies are sequentially arranged on the lower side face of the comprehensive back plate assembly. The fixing plateand the radiator are arranged on the two opposite side faces of the comprehensive back plate assembly. And the fixed plate and the radiator are respectively connected with the dry cooling plate assemblies. According to the invention, the T/R assembly, the feed network, the power supply and the radiator can be integrated, so that the installation is convenient, and the layout can be carried out according to certain rules such as rectangles, triangles and the like according to actual requirements.

An off-axis laser beam directional transmitter, comprising: a light source, a first off-axis aspheric reflector, a second off-axis aspheric reflector, a first fast control reflector, a second fast control reflector, a driver, a control The incident beam emitted by the light source that is not transmitted along the main optical axis is transmitted along the off-axis direction, reflected by the first off-axis aspheric reflector, and then transmitted to the first fast control reflector, and reflected by the first fast control reflector transmitted to the second off-axis aspheric mirror, and finally used for the final launch through the second fast control mirror; The moving sensor obtains the relevant position, velocity and acceleration information, and sends it to the central processing unit, so as to control the driver to control the precise movement of the mirror to achieve precise control of the azimuth, elevation and focal length of the outgoing beam, and then directional launch the laser to destroy the target.

The invention discloses multimode 3D fluorescence tomography animal molecular imaging scanning equipment, and belongs to the technical field of optical molecular imaging. The multimode 3D fluorescencetomography animal molecular imaging scanning equipment comprises a light sheltering camera bellows, a sample platform mounted in the light sheltering camera bellows and a computer terminal for controlling the equipment and imaging, wherein the sample platform comprises a transparent platform which is supported by a supporting column; the outer wall of the transparent platform is rotatably connected with a rotating platform through a bearing; the rotating platform is driven by a driving mechanism to rotate; a sample box is placed on the surface of the transparent platform; a CT scanning moduleis placed on the surface of the rotating platform; a CCD camera and an LED array are arranged on the inner wall of the top end of the light sheltering camera bellows; a lens collimator is arranged right below the sample platform, and is connected with a laser through an optical fiber wire; and an FMT scanning module consists of the CCD camera, the lens collimator and the laser. According to the multimode 3D fluorescence tomography animal molecular imaging scanning equipment disclosed by the invention, the CT scanning module is combined with the FMT scanning module, so that dualmode imaging isperformed on live small animals, so that the imaging is enriched.

The invention discloses a digital-feed ultra-wideband antenna, belongs to the field of digital wireless communication and relates to non-modulation digital signal sending antennas. The digital-feed ultra-wideband antenna comprises a digital signal input port (1), a digitally-driven SRD (step recovery diode) narrow pulse signal generator (2) and a bow-tie slot radiating unit (3) which are in coplanar waveguide series connection, wherein the digital signal input port (1) is an SMA (sub-miniature-A) connector for feed-in of digital signals; the digitally-driven SRD narrow pulse signal generator (2) comprises a coupling circuit, a resonance matching circuit, a pulse forming circuit and a pulse shaping circuit; and the bow-tie slot radiating unit is used for radiating pulse signals. The digital-signal-driven pulse generator is used for generating pulse, and the pulse is radiated by the ultra-wideband bow-tie antenna, so that direct sending and wireless transmission of the digital signals can be achieved without pre-modulating the digital signals, and a sender structure of a digital wireless communication system can be greatly simplified. Additionally, digital information is transmitted by the ultra-wideband pulse, so that information transmission rate is increased beneficially, and channel interference is reduced.