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63 results about "Wave processes" patented technology

Method for enhancing oil gas detecting accuracy using vibration amplitude with off-set distance variation characteristic

The invention pertains to the oil geophysical prospecting technique, relates to a method using the characteristic the amplitude changes with the vibration of the bias distance to improve the oil gas testing accuracy, which includes: 1, exciting and recording the earthquake wave process into a trace gather for AVO analyzing after time difference correcting; 2, executing an angular trace gather transformation to the input data; 3, obtaining two property section planes: delta(lambada/mu+2)/ (lambada/mu+2) and delta (mu* rho) /(mu* rho), taking the work area argillite wire trend, beta=0.86alpha-1172 as a restriction; 4, inversion after stack; 5, combining delta(lambada/mu+2)/ (lambada/mu+2) and delta (mu* rho) /(mu* rho) to execute analyzing of unconventionality boundary containing oil-gas. The inventive AVO analysis has the approximately same accuracy with Fatti, reduces indeterminacy in routine inversion method, improves the feasibility and reliability, and reduces the irregularity of the inversion matrix. The invention is very sensitive to the formation lithology and small opening fluid constituents, which is convenient for directly recognizing formation lithology variation and small opening fluid constituents.
Owner:BGP OF CHINA NAT GASOLINEEUM CORP

Method for preparing gold-nano array electrode

The invention relates to a preparation method of gold nanometer array electrode, which the substrate is polycarbonate filter membrane, after the processes of the pretreatment of chemical plating to the polycarbonate filter membrane, chemical plating, chemical plating after acid leaching, such as cleaning and processing, the former treatment, post acid leaching and rinsing, and assisted by the ultrasonic wave process in the steps of pretreatment, acid leaching and rinsing, using degreasing cotton soaked with dilute sodium cyanide to softly wipe the surface of the filter membrane after chemical plating, then rinsing with methanol, using the combined method of mechanical effect and chemical effect to effectively remove a gold layer on the surface to form the gold nanometer array, then pasting the filter membrane to the collector, assembling into the gold nanometer array electrode. The diameter of a single gold nanometer disk in the array is 10 to 100 nanometers measured by scanning electronic microscope, the component of the array group is pure gold measured with energy dispersive X-ray spectrum. The electrode has the advantages of high mass transfer speed, low double-layer charge current, effectively improving signal-to-noise ratio and the detection limit. The preparation method of gold nanometer array electrode has the advantages of ingenious design, simple operation and good reproduction.
Owner:HARBIN INST OF TECH AT WEIHAI

Ocean wave energy power generation device

The invention relates to an ocean wave energy power generation device. By the adoption of the ocean wave energy power generation device, the problems that reciprocating swinging is adopted by most existing wave energy power generation devices, efficiency is low, and losses of a power generator are large are solved. The ocean wave energy power generation device comprises a floating body which floats on the sea. A power generator is arranged in the floating body and connected with impellers horizontally stretching out of the floating body from the side faces. The ocean wave energy power generation device is characterized in that a plurality of off-center V-shaped grooves are evenly formed in the surface of the impeller and extend in the axial direction, blades which can swing to be buckled / unfolded are arranged in the V-shaped grooves, swinging shafts of the blades are arranged along the bottom of the V-shaped grooves, and the two side walls of each V-shaped groove are a buckled surface and an unfolded surface respectively; extension blades which can stretch out from the outer ends of the blades and are used for enlarging stress areas of the blades are further arranged in an inner cavity of the impeller in a clamped mode. According to the ocean wave energy power generation device, the impeller is kept rotating in one direction all the time in the waving process; in addition, the impeller can be propelled in a complex ocean current and wave flow combined form, the extension blades can stretch out when the blades are unfolded, and energy collection efficiency is improved.
Owner:ZHEJIANG OCEAN UNIV

Microwave ablation therapeutic apparatus with microwave ablation needle protected based on microwave power detection

The invention discloses a microwave ablation therapeutic apparatus with a microwave ablation needle protected based on microwave power detection. The microwave ablation therapeutic apparatus comprises the microwave ablation needle 1, a microwave ablation instrument 6, a coupler 2, a forward detection wave processing module 3, a reverse detection wave processing module 4 and a signal processing module 5. The microwave power output by the microwave ablation instrument 6 is transmitted to the microwave ablation needle 1 through a main feeder 23, the microwave power output by the microwave ablation instrument 6 outputs power through a coupling part of a forward coupler 21, wave detection is achieved through the forward detection wave processing module 3, and then a microwave output power value is obtained; part of the reflection power of the microwave ablation needle 1 is reflected through a coupling part of a reverse coupler 22, detection wave treatment is conducted through the reverse detection wave processing module 4, and then a microwave reflection power value is obtained; the signal processing module 5 calculates the energy injected into ablated tissue according to the monitored microwave output power value and the microwave reflection power value, and the output power of the microwave ablation instrument 6 is adjusted or cut off.
Owner:CANYON MEDICAL INC

Optical carrier microwave signal dynamic wideband real-time digital demodulation system

The invention discloses an optical carrier microwave signal dynamic wideband real-time digital demodulation system. The system comprises a photoelectric conversion module, a receiving channel module, an analog-to-digital conversion module, a real-time demodulation signal processing module and a whole-machine reference and sequence generation control module. The photoelectric conversion module receives optical carrier microwave signals of one fiber laser double-frequency beat wave sensor, converts the signals into electric signals, completes a beat wave process of the fiber laser double-frequency beat wave sensor and outputs radio frequency modulation signals comprising sensing information, the receiving channel module performs frequency conversion filtering amplification processing on the radio frequency modulation signals comprising the sensing information so as to obtain intermediate-frequency signals, the intermediate-frequency signals are then converted into intermediate-frequency digital signals through the analog-to-digital conversion module, then, the real-time demodulation signal processing module processes the intermediate-frequency digital signals in real time, demodulates sensing signals and sends detected physical quantity signals of a demodulation result to a next-stage control processing unit, and the whole-machine reference and sequence generation control module sends reference clock and time sequence generation control signals to the receiving channel module, the analog-to-digital conversion module and the real-time demodulation signal processing module.
Owner:CHINA ELECTRONIC TECH GRP CORP NO 38 RES INST

Terahertz wave processing device for automatic circulation of direct drinking water

The invention discloses a terahertz wave processing device for automatic circulation of direct drinking water. The terahertz wave processing device comprises a rack, a transfer water storage tank, a water return tank, a radiation chamber, a terahertz wave generator, a backflow mechanism, a finished water tank and a control system, wherein the rack is divided into an upper frame body and a lower frame body, the transfer water storage tank and the radiation chamber are arranged in the lower frame body and the upper frame body sequentially, and the terahertz wave generator is arranged at the top of the rack. According to the terahertz wave processing device for the automatic circulation of the direct drinking water, a water pump of the water return tank is used to carry out the circulation of pre-treating water among the radiation chamber, the transfer water storage tank and the water return tank, water treatment is carried out through radiation effects of the terahertz wave generator, an outlet valve of the radiation chamber is used for controlling the cycle time, and the high-activity, strong-penetration and easy-to-absorb direct drinking water is produced. The terahertz wave processing device for the automatic circulation of the direct drinking water has the advantages of simple structure, high radiation efficiency and good treatment effects.
Owner:上海鸿余环保科技有限公司

Preparation method and application of iodine-doped graphene

InactiveCN106602064ALayer spacingConductiveFinal product manufactureCell electrodesIodine dopingHigh pressure
The invention discloses a preparation method of iodine-doped graphene. The preparation method comprises the following steps of S1, dissolving an iodine source into deionized water to prepare a solution I with certain concentration; S2, preparing a graphene oxide turbid liquid with certain concentration, adding the turbid liquid into the solution I, and mixing uniformly to form a mixed liquid II; S3, performing ultrasonic wave processing on the mixed liquid II for 3-6min; S4, transferring to a high-pressure reaction kettle to perform a hydrothermal reaction at a temperature of 150-200 DEG C for 10-14h, reducing the graphene oxide into graphene while doping iodine into the graphene, and regulating and controlling the interlayer spacing of the graphene; and S5, washing the obtained product by deionized water for many times for removing redundant salt, and freezing and drying to obtain the iodine-doped graphene. By adoption of the preparation method of the iodine-doped graphene provided by the invention, regulation and control on the interlayer spacing of the reduction-oxidation graphene is realized through iodine doping, and an iodine-doped graphene material with proper interlayer spacing and conductivity is obtained. The invention also discloses an application of the iodine-doped graphene in a lithium battery.
Owner:深圳市陆星智农科技有限公司 +1

Airplane corrugated pipe sealing pressure testing clamp

The invention discloses an airplane corrugated pipe sealing pressure testing clamp which comprises an adapter coupling mechanism and a sealing connector mechanism, wherein the adapter coupling mechanism is connected with one end of a corrugated pipe; the sealing connector mechanism is connected with the other end of the corrugated pipe; the adapter coupling mechanism comprises an adapter coupling base, an adapter coupling, an adapter mechanism sliding block, a first fixing block and a second fixing block; an adapter mechanism sliding groove and a first fixing groove are formed in the adapter coupling base; the adapter mechanism sliding block is matched with the adapter mechanism sliding groove; a second fixing groove is formed in the adapter mechanism sliding block; the first fixing block is mounted in the first fixing groove; the second fixing block is mounted in the second fixing groove; and the structural connections of the sealing connector mechanism and the adapter coupling mechanism are consistent. By adopting the airplane corrugated pipe sealing pressure testing clamp, the problem of positioning a corrugated pipe when the pressure of a rolling wave processed pipeline in airplane equipment is tested is effectively solved, double-fulcrum positioning is adopted in corrugated pipe positioning, the distance between two fixing fulcrums can be appropriately adjusted and controlled, and security, reliability and universality are achieved.
Owner:SHENZHEN LANSITENG TECH

CPLD-based photovoltaic inverter phase locking protection circuit

The invention discloses a CPLD-based photovoltaic inverter phase locking protection circuit. The CPLD-based photovoltaic inverter phase locking protection circuit comprises an analog comparator, a digital filter, a DSP, a PWM wave processing module, a pulse width anomaly detection device and a common-mode conduction detection device, wherein the analog comparator is electrically connected with thedigital filter, and the analog comparator is used for transmitting overvoltage signals, overcurrent signals and temperature anomaly signals to the digital filter; the digital filter is electrically connected with the PWM wave processing module; the DSP is electrically connected with the PWM wave processing module, the DSP is used for transmitting DSP control signals to the PWM wave processing module and inputting three paths of PWM wave signals to the PWM wave processing module, and the PWM wave processing module is used for feeding back abnormal interruption signals and a state code to the DSP; the DSP is electrically connected with the PWM wave processing module through pulse width anomaly detection device; and the DSP is electrically connected with the PWM wave processing module through common-mode conduction detection device. The CPLD-based photovoltaic inverter phase locking protection circuit has the beneficial effects that the protection effect is good, a common-mode conductioncondition is unlikely to appear, and the working effect of the photovoltaic inverter is improved.
Owner:江苏天源太阳能发电有限公司

Cable connector simulation model used in PSCAD for calculating reclosing overvoltage of power distribution network

InactiveCN107742033AFree input of nonlinear characteristic parametersGeometric CADDesign optimisation/simulationElectrical resistance and conductanceOvervoltage
The invention discloses a cable connector simulation model used in PSCAD for calculating the reclosing overvoltage of a power distribution network. The cable connector simulation model used in the PSCAD for calculating the reclosing overvoltage of the power distribution network comprises a cable middle connector resistor R, a cable middle connector inductor L and a capacitor C between a cable connector core and a shielding layer; a first port is connected with one end of the cable middle connector resistor R, the other end of the cable middle connector resistor R is connected with one end of the cable middle connector inductor L, and the other end of the cable middle connector inductor L is connected with a third port; the capacitor C between the cable connector core and the shielding layer is divided into two parts of a first capacitor C1 and a second capacitor C2; one end of the first capacitor C1 is connected with one end of the cable middle connector resistor R, and one end of thesecond capacitor C2 is connected with the other end of the cable middle connector inductor L; the other end of the first capacitor C1, the other end of the second capacitor C2, a second port and a fourth port are connected together. Due to the fact that a wave process of the overvoltage on a cable middle connector is taken into consideration, by adopting the model to calculate the overvoltage amplitude, a result can be more precise.
Owner:STATE GRID CORP OF CHINA +2

Method for testing impedance characteristic of large electrical equipment based on frequency-sweep method

The invention relates to a method for testing the impedance characteristic of large electrical equipment based on a frequency-sweep method, which belongs to the field of measurement technique of electrical equipment. The method is suitable for testing the impedance characteristic of the large electrical equipment, through testing the internal resistance of a signal source and the voltage division ratio of the tested equipment, the impedance characteristic of an external circuit is obtained, and the method has the characteristics of wider frequency band, higher precision, small interference and the like. The measurement process of the method comprises four steps of equipment connection, cable parameter calibration, impedance measurement and post-processing calculation; the internal resistance of an instrument and the impedance of a cable are taken into consideration for the measurement, and through the wave process theory, the characteristic impedance of the tested equipment is reversely deduced from the measured impedance; and a measurement system comprises an impedance analyzer, a measurement kit, a coaxial cable and the like. By the method, the testing interference and the generated error are reduced, and the measurement precision of the impedance is improved.
Owner:TSINGHUA UNIV +1
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