288results about How to "Adjustable parameters" patented technology

Systems and methods for identifying an object and presenting additional information about the identified object are provided. The techniques of the present invention can allow the user to specify modes to help with identifying objects. Furthermore, the additional information can be provided with different levels of detail depending on user selection. Apparatus for presenting a user with a log of the identified objects is also provided. The user can customize the log by, for example, creating a multi-media album.

The invention relates to a map linear symbol drawing method and a map linear symbol drawing system based on a graphics processing unit (GPU). According to the method, under a three-dimensional rendering programmable assembly line system, a shader language is used for sending a function relation between map linear symbol coloring and linear parameters to the GPU for calculation, so that map linear symbols can be drawn with high efficiency. The method comprises the following steps of establishing a vortex array caching object by taking half-linear width as a buffering region according to a linear center line, recording xyz of the position of a vortex and transverse and longitudinal coordinate relation parameters uv of the vortex on the whole buffering zone; writing a vortex shader, sending the uv parameters into a fragment shader, and performing rasterization interpolation by using the GPU; and building a function of a fragment color and the uv in the fragment shader, and calculating pixel coloring. In an actual drawing process, the vortex caching objects are bound to be property parameters for sending; global parameters required in a shader file are set; and therefore, the linear symbols can be drawn.

The invention discloses a classifier, a neural network model training method, data processing equipment and a medium. A classifier comprises: a weighted loss value calculation means for obtaining a weighted loss value of a training sample on each classification category by means of a prediction confidence output from a neural network model; a Parameter adjusting device, wherein the weighted loss value is reversely output to the parameter adjusting device; Therefore, the parameters of the neural network model are adjusted based on the weighted loss value, and the traininig of the neural networkmodel of the classifer can be completed. wherein the weighted loss value calculation device is used for adding a weighting factor into a loss function used for measuring the prediction confidence coefficient of a training sample and the loss cost marked with a true value, so that the weighted loss value of the training sample on each classification category is obtained through calculation. By adding a weighting factor during loss value calculation, parameters of the neural network model can be adjusted, the network model can be optimized, and the recognition precision of the classifier can beimproved.

The present invention aims to obtain a tomographic image similar in image quality to a tomographic image obtained by executing a scan at X-ray tube current value set by an X-ray automatic exposure function even when the X-ray tube current value set by the X-ray automatic exposure function are not within a standard range of the X-ray tube current values settable at the X-ray tube (21). X-ray tube current value supplied to the X-ray tube (21) are set by the X-ray automatic exposure function. Thereafter, when the X-ray tube current value set by the X-ray automatic exposure function is not within in the standard range of the X-ray tube current value settable at the X-ray tube, the X-ray tube current value at a portion not within the standard range are changed so as to be within the standard range, and the set value of helical pitch is changed so as to correspond to the ratio between the pre-changed x-ray tube current value and the post-changed X-ray tube current value.

The invention discloses a field simulator for simulating accumulative settlement of a foundation under the action of traffic load and a method for simulating the same. The invention solves the problems that the prior art lacks effective and normative simulation devices so that the accumulative settlement discipline cannot be studied scientifically, and achieves the automatic simulation of the traffic load with adjustable parameters and convenient operation. The structure of the field simulator comprises a bracket, wherein a loading plate and a displacement detecting device are arranged in the bracket; a guiding device is arranged on the upper part of the bracket and is connected with a cylinder which is connected with the displacement sensor; the displacement sensor is connected with a control device; the control device is further connected with an air circuit switching device; and one end of the air circuit switch device is connected with the cylinder, while the other end is connected with an air pump.

The invention discloses an instant communication system, which comprises a sender and a receiver. Instant communication modules of the sender and the receiver carry out parameter setting on a controlcircuit, generate encrypted data for transmission, and decrypt the received data; a control circuit modulates a quantum key module, acquires an original key and controls a synchronous timing sequence;the quantum key module generates the original key synchronously according to a trigger signal, modulation voltage and a timing sequence signal of the control circuit; a clock synchronous module generates a synchronous clock signal according to the trigger signal of the corresponding control circuit, and sends the synchronous clock signal to the clock synchronous module of the receiver; the clocksynchronous module of the receiver returns the clock synchronous signal and completes the synchronization of the sender and the receiver; and the sender and the receiver encrypt and decrypt information by a real-time security key generated by a quantum key generation system according to an one-time pad memo-type encryption scheme; therefore, the instant communication system has high security, andcan realize the off-site absolutely-secure instant communication.

The invention discloses a multi-mode electromagnetic energy-regenerative vehicle active suspension actuator. The multi-mode electromagnetic energy-regenerative vehicle active suspension actuator comprises an actuator main body and an actuator controller, wherein the actuator main body comprises a piston cylinder, a permanent magnet linear motor module, an adjustable damping vibration absorber module, an actuator upper end cover and a lower lifting lug. The permanent magnet linear motor module comprises a secondary piston rod, a linear motor upper end cover, a linear motor lower end cover, a plurality of silicon steel sheets, a plurality of primary coils and a permanent magnet; the adjustable damping vibration absorber module comprises a vibration absorber piston rod, a sleeve, an upper lifting lug, a sealing separation plate, a big piston, a small piston, a damping liquid passage and a proportional electromagnetic valve; and an input end of the actuator controller is connected with an acceleration sensor, a sprung mass speed sensor and an unsprung mass speed sensor. The invention further discloses a control method for the multi-mode electromagnetic energy-regenerative vehicle active suspension actuator. The invention is advantaged in that the energy-regenerative efficiency of the multi-mode electromagnetic energy-regenerative vehicle active suspension actuator is high, the service life of a vehicle-mounted storage battery can be effectively prolonged and an active suspension is in an optimal vibration absorbing state.

The invention discloses a rapid detection method for the nutrient elements of crops based on collinear laser-induced breakdown spectroscopy. The rapid detection method comprises the following steps: preparing the fresh leaves of a crop into a laminated sample, raising the optical paths of collinear double pulse laser and then focusing the collinear double pulse laser directly above a sample table for striking the surface of the sample, thereby generating plasmas; acquiring characteristic spectral lines generated by plasma cooling; selecting four spectral lines without self-absorption and self-reversal and highest in intensity out of the characteristic spectral lines according to nutrient elements to be detected; establishing a plurality of multiple regression models with sample reference values as outputs Y' and the intensities of the four spectral lines as inputs, selecting four optimal models from all the models, and establishing a comprehensive model with the prediction results of the four models as inputs and the sample reference values as outputs Y'; for the sample of a to-be-detected crop, obtaining the intensities of four spectral lines of the sample to be detected and inputting the intensities into the comprehensive model, and then calculating the content of the nutrient elements. The rapid detection method for the nutrient elements of crops based on collinear laser-induced breakdown spectroscopy realizes rapid detection on the nutrient elements of crops, and has the characteristics of simplicity in operations, low cost and the like.

The invention relates to a device for cell culture by using the pulse electromagnetic field, which is provided with a pulse electromagnetic field generator and a magnetic simulation effect plate which is connected with output signals of the pulse electromagnetic field generator and used for putting a cell culture dish. The magnetic simulation effect plate is provided with a main part and a magnetic simulation plate winding bracket which is arranged on the periphery of the main part and provided with a socket. The socket of the magnetic simulation plate winding bracket is internally wound with lacquered wires which are connected with the output signals of the pulse electromagnetic field generator. The magnetic simulation plate winding bracket and the main part are integrally formed. The magnetic simulation plate winding bracket and the main part are separately made up. The pulse electromagnetic field generator is provided with a display circuit for displaying working hours, a timing keying circuit for setting working hours, a pulse electromagnetic field generating control keypad and a power supply for supplying the power source to the device and outputting pulse voltage and a magnetic field generation unit which are respectively connected with a control unit. The device can be regulated according to the growth situation of the cell. The cell culture dish is put in the range of the action of an even magnetic field for culture and observation to cause that the condition of culture is same.

The invention relates to a method for simulating an underwater polarization field of wave water surface transmitted light. The method comprises the following steps: firstly, building a polarization model based on Rayleigh scattering sky light, and calculating the polarization of incident sky light; according to different refraction coefficients corresponding to a parallel component and a vertical component of an incident light E vector, obtaining a Mueller matrix of a refraction process of a calm water surface; secondly, building a probability distribution model of a wave water surface element gradient, unifying the reference coordinate systems of the incident light and transmitted light, considering the shield effect among wind waves, and obtaining a Mueller matrix of a refraction process of a wave water surface; and finally, combining the Stokes parameter representation method to obtain a polarization field distribution mode of underwater transmitted light. The method can successfully simulate polarization characteristic distribution of underwater transmitted light of different sun positions and takes the influence of wind speed and wind direction on underwater light field polarization characteristic distribution into consideration. Meanwhile, the method can reveal polarization distribution rules of underwater transmitted light in a Snell window.

The present invention provides a core / shell-type micropore /mesoporous composite titanium silicon molecular sieve and a preparation method thereof. The composite molecular sieve has a nearly spherical morphology, a specific surface area of 500-700m<2> / g, and a typical core-shell structure, an inner core is microporous titanium silicon molecular sieve TS-1 with a diameter of 200-300nm, an outer shell layer is hexagonal ordered mesoporous titanium-containing silica with the aperture of 2-3nm, a gap is between the inner core and the outer shell, and gap size and outer shell thickness both can be modulated. The composite molecular sieve is prepared by a two-step process, and the microporous titanium silicon molecular sieve TS-1 is first coated with a phenolic resin polymer as a hard template, and then coated with the mesoporous titanium-containing silica. The effects and benefits are as follows: the composite molecular sieve has multi levels of channels, the hollow core-shell structure is conducive to diffusion of guest molecules, and has good use prospects in catalysis, adsorption and separation and other fields, and the preparation process is simple, efficient and highly controllable.

The invention discloses a method for simulating gravity gradient signals of gravity gradient meters of rotating accelerometers. The method includes the steps that gravitation acceleration signals inducted by the four accelerometers on a disc are calculated according to a universal gravitation formula, the four sets of acceleration signals are added to various error data, the calculated acceleration data containing errors are transmitted to an analog-digital converter through a computer, then, one-frequency-doubling demodulation and fixed frequency signal demodulation are conducted on addition signals and subtraction signals respectively through current-to-voltage signal conversion, voltage amplification and addition and subtraction operation, whether accelerometer scale factors need to be adjusted or not is judged according to a demodulation result, if the demodulation result meets the requirement, two-frequency-doubling gradient demodulation is conducted on total output signals of a simulation system, and then gravity gradient values are acquired. By the adoption of the method, signal characteristics, parameter adjustment, error compensation and signal processing of the gravity gradient signals of the gravity gradient meters of the rotating accelerometers can be researched in details.

An encephaloelectric signal amplifier for the portable event associated electrocortical potential instrument is composed of cerebral electrodes, encephaloelectric signal preamplifier, main frequency trap circuit, band-pass filtering amplifier, 16 embedded A/D converters, polarity switch and synchronous controller MCU. It can precisely acquire the bioelectric signals of human nerve, filter and amplify them, and record them at real time.

The invention discloses a visible light catalytic material used for environmental purification and a preparation method thereof. The visible light catalytic material is an indirect gas semiconductor with a dispersed energy band structure, is a crystalline nano material, comprises the chemical formula of Bi2Sn2O7, has the corresponding optical band gap width of 2.68 to 2.78eV and exhibits high visible light catalytic performance. In the preparation method provided by the invention, Bi2Sn2O7 nanoparticles can be prepared from readily-available raw materials with low cost under moderate conditions only by one-step hydrothermal reaction so as to avoid the coarsening and aggregation of the high-temperature sintered crystal particles; the preparation method is simple to operate; parameters are adjustable in a reaction process, and the crystallinity and material phase compositions of the product are easy to control; in addition, the sample provided by the invention exhibits high stability inphotocatalysis cycle tests of dye degradation and harmful gas purification, and is favorable for industrial application.

The invention discloses a Windows process system of hand-hold equipment, it includes: a data processor which can use several operation systems, thereinto: the first operation system guides all drive program of hardware and all application program of hand-hold equipment; a detecting module which detects hand-hold equipment in closing state and decides whether the guiding signal is sent; a program loading module is used to start when it receives guiding signal, it selects some operation system and guides the operation system to memory based on manual operation of user or hand-hold equipment automatically. User just needs to start the second operation system to realize some function, the function action can be accomplished in the second operation system, it possesses advantages that memory resource can be used fully, speed of starting is fast, speed of calculation is fast, energy is saved.

A wind turbine includes a rotor having one or more rotor blades, a pitch system for controlling the pitch angle of the one or more rotor blades, the pitch system having at least one pitch actuator, a pitch controller for generating pitch actuator control signals and sensor elements for establishing values of pitch performance parameters, and a compensation controller to compensate for disparities between the pitch actuator control signals and the values of pitch performance parameters, according to a control algorithm. The compensation controller is arranged to adjust parameters of the control algorithm of the compensation controller in dependency of the disparities.

The invention discloses a precise servo mechanism resonance frequency testing system and a testing method. The system comprises a tested precise servo mechanism, a servo mechanism parameter tester and a data processing display terminal industrial control computer. The tested precise servo mechanism achieves a system with the mechanical system position, the speed or acceleration controlled in a closed loop control mode. The testing method is one selected from a sweep frequency method, a step method, a white noise method or a Multitone method. Multiple kinds of excitation signals can be selected, errors due to different characteristics of different mechanisms can be reduced. The powerful software function of a micro computer and the graphical environment are used for research and development on the servo system resonance frequency tester, the operation is simple and programmed, the cost performance is high, and demands of scientific research and engineering design can be better met.

The invention discloses a coaxial powder feeding sprayer capable of automatically adjusting light spots and powder feeding positions. The sprayer can be used for the field of laser cladding and mainly structurally comprises a connecting cylinder, a sprayer body, a variable light path system, an adjustable powder feeding position system and a nozzle, a cooling water jacket and a mounting lug of a four-linkage mechanism are arranged outside the nozzle, and an internal protective gas inlet is formed in the upper end of the nozzle. All movable portions of the sprayer are driven by a servo motor, and rotary motion is transformed into linear motion of a slider through a ball screw. According to the coaxial powder feeding sprayer, the diameter of the light spots and the powder feeding positions can be continuously changed, positions of the light spots can be adjusted, so that the light spots are overlapped with powder flow converging focuses, the sprayer effectively solves the contradiction between cladding efficiency and cladding accuracy in laser cladding, and laser cladding process of complicated curved surfaces can be achieved.