104 results about "Observation function" patented technology

Two stereo images are created by splitting a single image into two images using a field of view dividing splitter. The two images can be displayed side by side so that they can be viewed directly using stereopticon technology, heads-up display, or other 3-D display technology, or they can be separated for individual eye viewing. The two images focus on one imager such that the right image appears on the right side of the monitor and the left image appears on the left side of the monitor. The view of the images is aimed to converge at a given object distance such that the views overlap 100% at the object distance. Measurement is done with at least one onscreen cursor.

An on-line observable high-temperature three-point bend test system belongs to the technical field of engineering materials, structural deformation and mechanical experiments. The test system comprises a three-point bend load applying device, a high-temperature heating furnace, a deflection measurement device, a temperature measurement device and an on-line observation device. The invention relates to the high-temperature three-point bend test device integrating the on-line real-time observation function, and the surface of a test piece for the three-point bend test device in the high-temperature heating furnace is observed on line by a high-precision industrial camera with filters; the changes of microcosmic morphology, changes of crystal phase and crack propagation on the surface of the test piece in the three-point bend test process are recorded, so as to provide on-line observable test support for studying the deformation and crack of materials at high temperature.

The invention relates to a display system for comparing and observing the growth of plant root systems under different growing conditions, particularly to a display system which utilizes water culture method for parallel cultivation, can satisfy continuous growth requirements of plants and is used for observing growth comparison experiments of plant root systems. The display system comprises three main parts which are a cultivation tank, a nutrient fluid circulation and regulation device and a movable stand; the cultivation tank and the nutrient fluid circulation and regulation device are respectively arranged on the movable stand and are communicated through a pipeline; and nutrient fluid required by the cultivation tank is supplied by the nutrient fluid circulation and regulation device. The display system provided by the invention can not only be used for teaching works such as comparing and displaying geotropism, nutrient-tropism, hydrotropism and other growth characteristics of plant root systems, but also provide a convenient experimental tool for continuously comparing and observing growth conditions of plant root systems under different environmental conditions, and the problems in the prior art such as incapability of measuring intuitionally and all sidedly, inaccurate simulation and observation results, lack of comparative observation function, and the like are solved.

Provided is a sample observing method allowing for a detailed observation of a sample by using one and the same electron beam apparatus. The method uses an electron beam apparatus 1 comprising a primary optical system 10 serving for irradiating the electron beam onto the sample surface and a secondary optical system 30 serving for detecting secondary electrons emanating from said sample surface to form an image of the sample surface. The inspection is carried out on the sample surface, S, by irradiating the electron beam to the sample surface, and after the extraction of a defective region in the sample based on the inspection, the extracted defective region is once again applied with the irradiation of the electron beam so as to provide a magnification or a detailed observation of the defective region.

Detected is a secondary electron generated by irradiating a focused ion beam while performing etching a sample section and the around through scan-irradiating the focused ion beam. From a changing amount of the detected secondary electron signal an end-point detecting mechanism detects an end point to thereby terminate the etching, so that a center position of a defect or a contact hole is effectively detected even with an FIB apparatus not having a SEM observation function.

The invention discloses an active power security correction method of considering coordination among multiple polymers. A correlation coordination relation between control functions among multiple polymer grids is researched in the aspect of active power security correction on the basis of forming observation point observation functions of the polymer grids. Selection of control nodes is carried out through the comprehensive sensitivity and output increasing nodes and output reducing nodes are determined; an active power security correction model of considering the control cost is built; whenactive power of a power transmission line among the polymer grids is overloaded, the power of an overload branch is quickly and effectively reduced and the overload is eliminated through coordinationof the observation point control functions at two ends of a power transmission section, and meanwhile, the condition that a normal branch and the corrected branch are not overloaded is ensured.

Disclosed is a multifunctional astronomical telescope integrating a sun observation function with a star observation function. A Gregore optical system is employed as a basis of a three-mirror system. The multifunctional astronomical telescope is characterized in that the optical system is internally provided with a coude reflector for transiting light reflected by a primary mirror and a secondary mirror to an altitude axis, and system focal ratio conversion is carried out through a flat spherical mirror on the altitude axis; three focuses are designed for a system: a main focus is provided with a view field diaphragm, a reflector and a refrigeration apparatus and is shared with a star observation optical path; a system focus provided with a magnetic analyzer calibrating apparatus; and a scientific focus which involves whole-reflector imaging; and a conversion apparatus is arranged at the focus position of the main mirror, and through switching between the view field diaphragm and an image field correction mirror, switching between a sun observation optical path and a star observation optical path is realized. The multifunctional astronomical telescope provided by the invention solves the problem that sun observation and star observation cannot be realized in the one astronomical telescope in the prior art, and realizes unification of wide spectrum, large view field, high-quality imaging and high-resolution spectrum measuring functions under the condition of sun and star observation.

The invention discloses a target tracking method and system and an expansion truncation no-trace Kalman filtering method and device. The expansion truncation no-trace Kalman filtering method comprises the steps that an original prior probability density function is obtained according to no-trace conversion; a first posterior probability density function is obtained according to the original prior probability density function; the original prior probability density function is corrected according to the statistics linear regression theory and a target observation vector of the current target observation moment so that the corrected prior probability density function can be obtained; a second posterior probability density function is obtained according to the corrected prior probability density function; a combined posterior probability density function is obtained according to the original prior probability density function and the second posterior probability density function. According to the Kalman filtering method, the problem that the observation function does not have the only inverse function can be solved, prior distribution variances of target states are effectively reduced, state upgrading is carried out in a self-adaptation mode according to the precision of the observation information, the filtering precision is effectively improved, and the practicality is high.

A data processing apparatus according to the present invention takes in a plurality of inspection, image and attribute data output from an inspection apparatus, a review SEM image, coordinate information of hot spots found by simulation, and CAD information in the hot spots, and displays these kinds of information side by side. Tuning of inspection conditions in the inspection apparatus is facilitated from a view point of the detection rate of the hot spots. In addition, it is made possible to easily implement a fixed point observation function in a conventional review SEM by outputting coordinate data which can be read by the review SEM. Cooperation among simulation data, the inspection apparatus, and the review SEM is facilitated.

Provided is a sample observing method allowing for a detailed observation of a sample by using one and the same electron beam apparatus. The method uses an electron beam apparatus 1 comprising a primary optical system 10 serving for irradiating the electron beam onto the sample surface and a secondary optical system 30 serving for detecting secondary electrons emanating from said sample surface to form an image of the sample surface. The inspection is carried out on the sample surface, S, by irradiating the electron beam to the sample surface, and after the extraction of a defective region in the sample based on the inspection, the extracted defective region is once again applied with the irradiation of the electron beam so as to provide a magnification or a detailed observation of the defective region.

A method for transforming a static image into a dynamic image (movie) is provided to aid in the detection and to identify pathologies and abnormalities in patients based on images. The system receives as input static images and generates as output dynamic images containing the dynamic cues. The dynamic cues are generated by the operation of a motion function and observation function on the static image. A sequence of image frames is created, such that when viewed the dynamic cues are discernable on the image.

The invention relates to a double-leaf weathertight and fireproof door which comprises door leaves and a door frame, wherein the door leaves are connected with the door frame through hinges, the doorleaves are in a split double-leaf structure, a door lock is arranged between the two door leaves, locking devices are arranged around the inner parts of the door leaves and clamp the door leaves intothe door frame, the inner surfaces of the door leaves are inner sealing plates, the inner parts of the inner sealing plates are provided with fireproof plates, the inner parts of the fireproof platesare door leaf packing, connecting parts of the door leaves and the door frame are sealed by rubber strips and provided with fireproof strips, A-60 fireproof glass is arranged in the two door leaves which are split, and two sides of the A-60 fireproof glass are provided with heat-resisting adhesive strips. When the weathertight function is needed, only the two doors are locked; when a fire happens,the fireproof strips of the door leaves rapidly expand and block fire to enter, and the fireproof materials at the interlayer of the door leaves prevent the temperature of an unexposed surface from raising. The door leaves are provided with observation windows enabling the door to have observation function, thereby visually judging the fire degree when the fire happens.

The invention discloses an observation method and an observation system of a diesel SCR (Selective Catalytic Reduction) system input state. The observation method comprises the following steps that Step 1, a state space model is established according to a chemical reaction in an SCR system; Step 2, the state space model is combined with an EKF (Extended Kalman Filter) equation, wherein the EKF equation comprises a prediction equation, namely x(k) is equal to f[x(k-1),u(k)] plus w(k), and a renewal equation, namely z(k) is equal to h[x(k)] plus v(k), x(k) represents a state vector, u(k) represents an input vector, w(k) represents a gaussian process noise, z(k) represents an observation vector, h(x) represents an observation function, and v(k) represents a gaussian observation noise; and Step 3, the EKF algorithm mentioned above is encoded with software, and computational simulation is performed, thereby obtaining an input concentration estimated value. According to the observation method and the observation system, the method expanding Kalman filters to perform input state observation is designed, so that the validity of a designed observer is verified in simulation; in addition, the precision of the estimated concentration is ensured; the expected design purpose is achieved; and an ammonia gas sensor or an NOx sensor at an inlet can be replaced completely.

The present invention provides an operation wire harness connection device and an endoscope. The endoscope is provided with an operation part and an insertion part. The insertion part is provided with the following components: a front part which has an observation function; a bending part which is used for causing direction change of the front part; and a flexible part which has flexibility. When an operation handle on an operation part is rotated, a traction driving wire harness moves. The traction driving wire harness is connected with an operation wire harness which is used for bending the bending part. The connection device is provided with the following components: an external thread component which fixes the operation wire harness; a snapping component which is provided with internal threads that are screwed with the external thread component; and a keeping mechanism which can change the filling position of the snapping component through a step mode. Fine adjustment for the slack of the operation wire harness is performed through changing screwing-into amount of the external thread component, wherein coarse adjustment for the slack of the operation wire harness is performed through changing the filling position of the snapping component through a step mode.

The invention relates to a novel spindle-shaped separated mother-child type deep sea manned submersible. The deep sea manned submersible includes a submersible body and a manned child-submersible. Thesubmersible body and the manned child-submersible are connected to an umbilical cord cable. The interior of the submersible body is divided into multiple inter-vessel spaces by a frame, which are anoperation tool storage cabin, a buoyancy cabin, a launching and retrieval cabin, an outboard equipment cabin, an outboard storage battery cabin and an abandoned ballast launching cabin in a top-to-bottom order. The novel spindle-shaped separated mother-child type deep sea manned submersible effectively realize the separation configuration of a guarantee function and an operation and observation function. The whole submersible adopts a slender spindle shape so as to reduce the vertical resistance, improve the diving and surfacing speed and increase the effective underwater operation time of thesubmersible.

The invention discloses an iterative updating-based UKFNN aluminum electrolysis power consumption model construction method. The method comprises the following steps of initializing structural parameters of an aluminum electrolysis power consumption model; calculating a group of sampling points of the power consumption model; predicting a state and a covariance of the power consumption model at next moment by a state equation F according to a state estimation value of the power consumption model at previous moment; re-sampling sampling points generated by taking a predicted state value as a center and a predicted variance as a covariance, updating the sampling points and the covariance by using an observation function, and performing covariance updating of a state variable and an observation value; and re-performing state estimation updating by using the updated state at the next moment and covariance matrix at the next moment. According to the method, an iterative method is combined with UKFNN so as to obtain a more accurate estimation value.

A biomimetic blue-dot ray underwater thruster includes a pair of pectoral fin systems, a main body and a tail system, wherein the pectoral fin system includes a plurality of swing structures, an electric motor, an eccentric wheel shaft and a rotating main shaft, wherein the swing structure comprises a U-shaped frame and a fin strip. The fin strip is fixedly connected with the U-shaped frame, eccentric wheels are arranged in the U-shaped frame, each eccentric wheel is fixed on the eccentric wheel shaft, the U-shaped frame is further provided with a rotating main shaft hole, and the U-shaped frame can rotate around the rotating main shaft. The front part of the main body is connected with a head structure, the front side of the head structure is provided with two biomimetic grooves, and a sensor is installed at the groove position. According to the idea of functional bionics, the invention develops a bionic effect which has the movement characteristics similar to a bionic object so as torealize the true bionic effect. At the same time, based on this structure, the observation function is realized.

The invention discloses a method and device for automatically observing fire in an aluminum electrolytic cell. The method comprises the steps of (1) obtaining a fire eye image of the aluminum electrolytic cell and converting the fire eye image into a fire eye digital image, (2) preprocessing the fire eye digital image, (3) converting the preprocessed fire eye digital image into a fire eye gray image and constructing a gray image matrix, (4) using a multiple-threshold cutting method of a gray value to carry out function area division on the fire eye gray image according to the gray image matrix in the step (3), (5) extracting a fire eye information index of the function area in the step (4), wherein the fire eye information index is at least one item in area, temperature and a texture feature value, and (6) displaying the fire eye image and fire eye information to realize automatic fire observation. Through the above method, the fire eye image can be obtained, a fire eye appearance condition and hidden information can be rapidly and accurately obtained, and the automatic fire observation function of the aluminum electrolytic cell is realized.

The invention discloses a Chinese bee hive with an outer solid layer box body and an inner transparent layer box body; a solid outside layer is a bee hive of an existing structure or an underground honeycomb which can isolate light, insulate heat and prevent sunstroke. An inner transparent layer is a transparent box which is made of a novel thermoplastic transparent material in industrialized production. The box body of the inner transparent layer is used for receiving wax secreted by a bee for building the honeycomb. When the honeycomb in the box is checked, the situation in the honeycomb can be seen only by tearing off the outer layer box or lifting the inner layer box, so that the problem of the prior art that the situation in the honeycomb can be observed after taking off the cover and opening the box. In order to realize the practicality of the Chinese bee hive, the structure of the inner transparent layer bee hive is designed into a food steamer shape, the biological characteristics of Chinese bees are integrated, the complicated management in breeding Chinese bees with movable frames is omitted, and the Chinese bees are bred through a 'non-management' management method. According to the Chinese bee hive with the outer solid layer box body and the inner transparent layer box body, because the novel bee hive is made of the novel transparent material in the industrialized production, a bee hive observation function is realized, the effect of simplifying the bee observation is achieved, the simple operation of Chinese bee breeding is promoted, and a large-scale Chinese bee breeding process is promoted.

The invention discloses a memory motor winding multiplexing control method and system for flux linkage observation. The invention aims to solve the problem that the use efficiency of a magnetism adjusting winding of a traditional direct-current magnetism adjusting type memory motor is low due to the fact that the magnetism adjusting winding is in a redundant state in a non-magnetism-adjusting period. The method comprises the steps that 1, when the magnetization state of a memory motor needs to be adjusted, a magnetism adjusting current reference value is selected according to the motor rotating speed; 2, through current feedback control, the direct-current magnetism adjusting winding is driven to generate magnetism adjusting current so as to adjust the magnetization state of the permanentmagnet; 3, when the memory motor operates normally, induction voltage of the magnetism adjusting winding is collected and induction potential of the magnetism adjusting winding is extracted; and 4, apermanent magnet flux linkage value is calculated by using the induced potential of the magnetism adjusting winding for vector control of the motor. According to the invention, the flux-adjusting winding in a redundant state in a non-flux-adjusting period is used as a flux linkage observation function, so that the utilization efficiency of the direct-current flux-adjusting memory motor can be improved, and the dynamic performance and the anti-interference capability of a control system are improved.

A binocular telescope with digital laser ranging function, comprising an objective component, a beam splitter and coincidence prism system and an ocular component, and the beam splitter and coincidence prism system is arranged between the objective component and the ocular component; the beam splitter and coincidence prism system comprises a roof prism and a composite prism, the composite prism is composed of an isosceles prism, a right-angle prism A and a right-angle prism B, wherein the right-angle prism A and the right-angle prism B have the same shape and symmetrically abut on the two isosceles planes of the isosceles prism. The binocular telescope of the invention not only has observation function, but also has laser ranging function, and can display the target characters such as optical virtual sight and measured distance in the form of character in the field of view.

The present invention relates to a method and device for estimation of channel parameters in a direct-sequence code division multiple-access uplink based on compressed sensing, belonging to the field of technology of communication signal processing. The device provided by the invention comprises a parallel multi-channel compressed sensing receiving module and a PA-SLSS iterative search module, the parallel multi-channel compressed sensing receiving module is used for multiplying received signals by a group of observation functions which meets the requirement of RIP, integrating and sampling the multiplying result so as to obtain observation vectors, and the PA-SLSS iterative search module examines linear expression of the observation vectors output by the parallel multi-channel compressed sensing receiving module relative to column vectors of equivalent dictionary matrix so as to obtain estimated results of the channel parameters through invoking generated equivalent dictionary matrix in advance and the least square method. Compared with the prior art, the structured feature and sparse property inherent in a spread spectrum domain of the direct-sequence code division multiple-access uplink signals are employed, and signals are sampled through the compressed sensing technology, wherein the speed of sampling is lower than the speed of Nyquist, thereby the requirement for the front end of ADC (analog-to-digital converter) is reduced.

The present invention relates to an eyepiece base unit and a microscope with which a phase contrast observation function can be easily added to the microscope.The eyepiece base unit 12 is removably attached to a main unit of the microscope, and includes, in a state of being attached to the microscope, a pupil conjugate plane, which is a plane conjugate with an image side focal plane of an objective lens in an observation optical system of the microscope. By rotating a turret 32 around a central axis 67, phase plates 64a and 64c installed in the turret 32 can be inserted into the pupil conjugate plane. The present invention can be applied to a phase contrast microscope, for example.

The application methods in the related art cannot apply a sufficient voltage with a rectangular wave having a short rise time to an electronic circuit. Furthermore, electrostatic discharge test can apply a sufficient voltage but can only apply an oscillating waveform.A TLP generator is used as a rectangular wave generator. The sum of an injection resistance and a matching resistance is set so as to match the characteristic impedance of a transmission line for transmitting a rectangular wave to a test target. A capacitor is connected to a return line of the applied rectangular wave. With this configuration, stable application can be achieved. An error observation function of an electronic circuit gradually increases a peak value of the rectangular wave and determines the immunity based on an application voltage to cause an error for the first time.

The invention discloses an unmanned aerial vehicle management and control system. The system comprises a flight platform and a ground control subsystem which are connected with each other. The flightplatform comprises a multi-rotor unmanned aerial vehicle, a measurement pod mounted on the multi-rotor unmanned aerial vehicle, an information acquisition module, an airborne telemetering and forwarding module and a first air-to-ground data transmission module. The ground control subsystem comprises a first control platform used for controlling the multi-rotor unmanned aerial vehicle, a second control platform used for controlling the measurement pod, a second air-to-ground data transmission module and a ground telemetering station. The system solves the technical problems in the prior art that the fixed-point hovering function and the long-time observation function cannot be realized by the flight platform of an unmanned aerial vehicle, and the flight height, the remote control distance,the load and other various indexes cannot meet relevant requirements.

The present invention provides an image pick-up window defogging function-equipped built-in camera hand piece having a function of treating an affected area and an image observation function of observing the affected area or the like with a camera and capable of defogging the outer surface of an image pick-up window by preventing adhesion of cutting waste and water droplets to the image pick-up window. An image pick-up window defogging function-equipped built-in camera hand piece 1 of the present invention is provided with a defogging air flow path mechanism 4 in a surrounding position of an image pick-up window 15 arranged facing a cutting site of a cutting tool 16, wherein the defogging air flow path mechanism 4 branches from the air flow path system 91 and injects an air flow within a region from the outer surface of the image pick-up window 15 to the cutting site of the cutting tool 16 to shield an area between the outer surface of the image pick-up window 15 and the cutting site by the air flow to defog the outer surface of the image pick-up window 15.

The invention relates to a shooting device with star observing function and a method for observing star, which uses the satellite time, the latitude and longitude data corresponding to the time of user employing the shooting device to observe the star by the corresponding star data graph retrieved from a star database. Further, the orientation indication provided by a positioning indicating unit can be used for searching and shooting the objective constellation which is to be observed by user.

The invention discloses an infrared thermal imaging set comprising a FPGA (field programmable gateway array) and a main chip. The FGPA is used for preprocessing original data received, generating observation data and temperature measuring data according to the preprocessed data and transmitting them to the main chip. The main chip is used for finishing observation and temperature measurement according to the received observation data and temperature measuring data. The infrared thermal imaging set has the temperature measuring function and the observation function, has richer functions and accordingly is more widely applicable.