67results about How to "Realize simultaneous acquisition" patented technology

The invention discloses a gamma camera which comprises a first gamma imaging unit and a second gamma imaging unit, wherein the first gamma imaging unit comprises a first coding plate provided with a first pattern formed by a plurality of coding elements and a first detector for detecting a radiation ray penetrating through the first coding plate; the second gamma imaging unit comprises a second coding plate provided with a second pattern formed by a plurality of coding elements and a second detector for detecting the radiation ray penetrating through the second coding plate; and the first pattern and the second pattern form opposite patterns. In addition, the invention also discloses a method for detecting the radiation ray by utilizing the gamma camera. As the two coding plates and the two detectors are used in the gamma camera, two groups of projection data under opposite and reverse modes can be simultaneously acquired and simultaneously transmitted to a data processing unit for image reconstruction to realize real-time imaging, so that the coding and imaging speed under a patrol inspection mode is improved, and the purpose of quickly positioning a radiation source is achieved.

The invention discloses an underwater detection separate aperture double CCD real-time polarization imaging device and method. The device comprises a detected target, a front co-aperture imaging lens set, a non-polarization splitting prism, a polarization component set, a back separate aperture imaging lens set, a CCD detector, an LED light source and a transparent resin sealing compartment. The CCD separate-aperture design device is employed, a polarization imaging system integrated with separate apertures and separate amplitudes is realized, and circular polarization and linear polarization original images and luminous intensity images are simultaneously acquired. A multi-optical information fusion polarization imaging method based on machine learning is employed, for the underwater environments with different water depths and water qualities, modeling is carried out based on optical parameters including image colors, light intensity and a polarization degree, the waters environment and the detection distance under the artificial light source condition, the learning mechanism is established, underwater target detection images having relatively high contrast and sharpness are acquired, and underwater polarization imaging adaptability is improved.

A four-channel high-capacity waveform storage system comprises an FPGA core chip, an FPGA core chip minimum peripheral circuit, ADC sampling chips, a Flash array, an internet port circuit and a power supply chip. 9A, 9B, 9C and 9D in the power supply chip convert a 5V power voltage into a 3.3V voltage, a 1.8V voltage, a 1.0V voltage and a 2.5V voltage respectively for other modules to use; after being normally powered on, the FPGA core chip controls the four paths of ADC sampling chips to collect waveform data from an external input interface and transmits the data to the Flash array; after storage, the FPGA core chip controls the internet port circuit to transmit the data in the Flash array to an upper computer through an internet port; all control instructions are transmitted to the FPGA core chip by the upper computer through a network interface. A construction method of the four-channel high-capacity waveform storage system includes seven steps. According to the four-channel high-capacity waveform storage system and the construction method, multiple paths of waveform data can be integrally and simultaneously collected, and implementation is simple; the logical functions are all written in a VHDL and easy to modify; the four-channel high-capacity waveform storage system is small in size and can be conveniently applied to multiple systems.

The invention discloses a street lamp information acquisition system, a management system, a management Cloud platform and an acquisition method; the street lamp information acquisition system comprises a logo acquisition module, a lamp-post number acquisition module, a lamp-post longitude and latitude acquisition module and a processing module; the processing module is respectively connected with the logo acquisition module, the lamp-post number acquisition module and the lamp-post longitude and latitude acquisition module; the lamp-post number acquisition module acquires lamp-post number information; the lamp-post longitude and latitude acquisition module acquires lamp-post longitude and latitude information, and finally, the processing module processes the data to obtain lamp logos, lamp-post numbers and lamp-post longitudes and latitudes. The combined management and usage for three kinds of street lamp information is realized; only if a user knows one of the information, the user can know the other information by correlation.

The invention discloses a human body lower limb motion detection and identification method based on multi-source signals. The human body lower limb motion detection and identification method comprises the following steps of obtaining human body lower limb motion information through a multi-source signal sensing technology detection method, and obtaining a human body lower limb motion state through the human body lower limb motion information; collecting the multi-source signals and carrying out data preprocessing to obtain input signals for identification; dividing the input signals into training data and test data, carrying out training and detection classification identification through an SVM classifier and a BP neural network method based on the SVM, and obtaining an identification result; and performing accuracy rate output optimization on the recognition result to obtain a final recognition result. According to the method, simultaneous acquisition of human lower limb attitude angle signals, plantar pressure signals and surface electromyographic signals of multiple muscles of legs is effectively realized, signal interference is removed, visual data is output to reflect a human lower limb motion state, and more accurate identification and prediction of human lower limb motion are realized.

The invention discloses an infrared microscope system and a method for achieving image fusion thereof. The method comprises the following steps: first, a visible image is rotated, then, corresponding rotation is conducted on an infrared image, afterwards, stretching transformation is conducted on the rotated infrared image, wherein in the process of the stretching transformation, a feature point on the visible image is used as a reference coordinate, the specific value of the coordinate of a reference point on the infrared image and the coordinate of the feature point corresponding to the coordinate of the reference point is used as a ratio to conduct stretching transformation respectively so as to obtain the transformed infrared image, then, the transformed infrared image and the visible image are overlapped, finally, the overlapped transformed infrared image and the visible image are rotated in the direction opposite to the direction of the infrared image so as to be restored to the original state of the infrared image, and so that an overlying fusion image of the infrared image and the visible image can be obtained. The infrared microscope system and the method for achieving the image fusion thereof can meet the demands of clear imaging and detail analyzing of micro devices and microstructures at the same time, and can also achieve imaging of infrared thermal distribution.

The invention provides a sealed integrated smoke collection test device. The sealed integrated smoke collection test device comprises a sampling hole substrate, an outer sleeve, a smoke sampling pipe, a thermoelectric couple and an annular sealing disc, wherein the sampling hole substrate is arranged in a sampling hole of a to-be-tested flue, and the sampling hole substrate is provided with a through hole which is communicated with the to-be-tested flue; the outer diameter of the outer sleeve is smaller than the inner diameter of the through hole of the sampling hole substrate; the smoke sampling pipe is arranged in the outer sleeve; the thermoelectric couple is pre-installed outside the smoke sampling pipe and arranged in the outer sleeve; the annular sealing disc is sleeved outside the outer sleeve, the sealing disc is in sealing connection with the outer sleeve, and the outer diameter of the sealing disc is greater than the inner diameter of the through hole of the sampling hole substrate. By adopting the sealed integrated smoke collection test device, the influence of leaked air from the sampling hole on a test of smoke components and a temperature test can be well solved, the use is convenient, a great amount of in-situ installation and length calibration work can be saved, the test time can be saved, and the test efficiency and the test precision can be improved.

The invention belongs to the technical field of optical equipment, and discloses a large-view field high-resolution spectrometer optical system design method. The method comprises steps: multiple sections of slits and corresponding field lenses are adopted, and a different field lens carries out reflection and imaging on a sectional slit to a different CCD; light emitted by the slit is collimated through a collimation system and shines on a dispersion element, and spectral dispersion is carried out through the dispersion element; and grating diffraction light after dispersion performs imaging through the collimation system, spatial dislocation exists between the image surface after imaging and the slit of the spectrometer, a field lens is added at the image surface, and an image on a focal plane is imaged on the CCD through the imaging system. The dispersion functions of multiple spectrometers are realized, simultaneous data acquisition by multiple detectors in one spectrometer can be realized, the view field is increased, and the research cost and the space layout cost of multiple spectrometers can be reduced.

The invention discloses a multi-cylinder compensation type water surface evaporating / exhaling instrument and using method thereof, belonging to the plant physiology, ecology monitoring and wetland meteorology hydrology measurement technology field. The instrument consists of a group of evaporating / exhaling monitoring cylinders, communicating pipes and a data central processing system; the monitoring cylinders are in same specification, each has different evaporating / exhaling bodies disposed therein, and the number of the monitoring cylinder can be added according to the real condition; the data central processing system consists of a data acquisition box, a bidirectional rotating motor, a photoelectric switch, a ultrasonic wave sensor and a water tank, to realize data timing automatic acquisition and wireless delivering function; the operation mode designed by the PLC program comprises: measuring multiple monitoring cylinder water levels by the ultrasonic wave sensor, controlling the instrument to acquiring and storing the data in certain time automatically. The beneficial effect of the invention is that: The evaporating / exhaling instrument can be used for monitoring evaporating / exhaling amount of emerged plants of multiple species in multiple states at the same time, and achieves the advantages of low cost, high precision, easy maintenance and convenient data delivering.

The invention provides an optical label shooting and optical label decoding relay work method. An optical label comprises two parts, i.e., a signal unit group or a "data bit" for short and a positioning identification or a "flag bit" for short. Through converting the shooting frequency of shooting equipment and eliminating a motion displacement image of the equipment, an optical label and a background image are simultaneously acquired, and alignment and superposing synthesis of two kinds of shooting image content are realized. Data transmission of the optical label is guaranteed, the background image where the optical label is disposed is also reserved, onsite experience of a user in using the optical label is improved, and the method solves the problems which cannot be solved by other label ( such as two-dimensional codes and bar-codes) methods.

The invention discloses an electroencephalogram signal acquisition device and method. The electroencephalogram signal acquisition device comprises a first signal acquisition electrode, a second signalacquisition electrode, a signal processor and a wireless transmitting module, the first signal acquisition electrode, the second signal acquisition electrode and the wireless transmitting module areelectrically connected with the signal processor. The wireless transmitting module is in wireless communication with a brain-computer interface; the first signal acquisition electrode is used for acquiring a Spike signal; the second signal acquisition electrode is used for acquiring an ECoG signal; the signal processor is used for processing and converting the Spike signal and the ECoG signal; thewireless transmitting module is used for transmitting the processed and converted Spike signal and ECoG signal to the brain-computer interface; the brain-computer interface is used for training the Spike signal and the ECoG signal and establishing the relevance between the Spike signal and the ECoG signal of the receptor under different actions. According to the invention, electroencephalogram signals can be safely collected for a long time, and a high signal-to-noise ratio can be provided.

The present invention discloses a remote-controlled water collecting apparatus used for a river or a lake, and relates to the field of water quality monitoring. The apparatus comprises a remote-controlled boat and multiple sampling bottles. A supporting seat is disposed on the remote-controlled boat, a rotating shaft is rotatably connected on the supporting seat, and the remote-controlled boat isprovided with a first motor that drives the rotating shaft to rotate. Multiple winches of a quantity the same as that of the sampling bottles are disposed on the rotating shaft at intervals, and diameters of the multiple winches gradually increase. A twisted rope is enwound on the winchx, and the remote-controlled boat is provided with a pulley that is crossed by the twisted rope. The sampling bottle is provided with a bottle cap, and the twisted rope is fixed in a central position of the bottle cap. The bottle cap is disposed with multiple water inlets, and a switching part for controlling onand off of the water inlets is disposed on a lower end face of the bottle cap. The present invention has the following advantages and effects: multiple winches with different diameters are disposed to control multiple sampling bottles to submerge into water of different depths, so that water samples of different depths are simultaneously collected, thereby achieving an effect of facilitating collecting water samples of different depths.

The invention discloses a parallel collection device for VOCs and EBCs in exhaled air of a human body, and the VOCs and the EBCs can be collected simultaneously.The exhaled air is divided into three ways through an embedded type air storage chamber to pass through a carbon dioxide sensor, a VOCs enrichment tube and an air condensation device respectively.The VOCs in the exhaled air are collected by means of the enrichment tube filled with an adsorbing agent, the EBCs in the exhaled air are collected by means of the air condensation device, the flow velocity of the exhaled air flowing through the enrichment tube is controlled by a mass flowmeter, the concentration of carbon dioxide in the exhaled air is detected through a carbon dioxide sensor, a corresponding dynamic threshold is combined to determine non-metabolic cavity air in the exhaled air.The air collecting process is monitored through a single chip microcomputer circuit.The parallel collection device for the VOCs and the EBCs in the exhaled air of the human body is small in size, low in cost, portable and capable of parallelly collecting the VOCs and the EBCs in the exhaled air of the human body in various occasions rapidly and reliably.

The invention discloses a novel TMS-fNIRS brain imaging device. The novel TMS-fNIRS brain imaging device is a device in which the near infrared spectrum technology and the transcranial stimulation technology are adopted to monitor brain blood oxygen changes while achieving magnetic stimulation. The novel TMS-fNIRS brain imaging device comprises a fiber-optic probe module, an fNIRS hardware module,an upper-computer processing module and a TMS stimulation module. The fiber-optic probe module comprises an emitting optical fiber and a receiving optical fiber; the upper-computer processing moduleconducts controlling to emit and receive near infrared light, then processes a collected brain blood oxygen signal, and controls a TMS device to conduct magnetic stimulation on the brain. According tothe novel TMS-fNIRS brain imaging device, a front-mounted probe is changed into an optical fiber structure, a built-in reflector is arranged, and meanwhile the filtering function, the power spectrumcalculating function and the noise removing function are integrated; a BNC communication interface is also designed to be communicated with the TMS device. Interference caused by an electromagnetic inducted current of a strong magnetic field is avoided, the height of the probe is effectively lowered, the effective distance of TMS stimulation is guaranteed, and brain-blood-oxygen pre-signal processing is achieved in real time.

The digital human body surface information collecting and analyzing treatment system includes attaching carrier, sensors physical stimulating sources attached to the inner side of the carrier, data acquiring instruments connected to the sensors and computer connected to the data acquiring instruments. The physical stimulating sources include micro heat source, micro electric source, micro magnetic field source, acoustic source, optical source, chemical source or their combination for stimulating human body. All the sensors and the physical stimulating sources are connected to the data acquiring instruments via wires. When the present invention is used, the clothing with the sensors are taken by the testee inside the independent test room and all the data acquiring instruments and the computers are powered on and various physical quantities of body surface, including temperature, electric field, magnetic field, etc. are collected and formed into visual image in a host computer.

The invention discloses a dynamic three-wavelength digital holographic measurement method based on a 3CCD or a 3CMOS. The dynamic three-wavelength digital holographic measurement method is characterized by comprising the steps of: utilizing a 3CCD or 3CMOS image acquisition system to carry out dynamic three-wavelength digital holographic measurement on the surface of a tested piece (S); and forming an image acquisition system by means of three CCD chips or three CMOS chips at a receiving end, so as to realize simultaneous acquisition of three wavelength holograms, obtain laser holograms corresponding to three laser wavelengths, and then acquire three-dimensional topography information of the surface of the tested piece (S). According to the dynamic three-wavelength digital holographic measurement method, three multi-wavelength holograms can be acquired at the same time, so that high-precision dynamic measurement is achieved, and due to the fact that the dynamic three-wavelength digitalholographic measurement method remarkably reduces the vibration isolation requirement of a multi-wavelength digital holographic method for environmental vibration and air disturbance, the dynamic three-wavelength digital holographic measurement method can be more widely applied to more measurement objects.

The embodiment of the invention relates to the technical field of nuclear radiation monitoring, and specifically relates to a nuclear radiation monitoring system and method. The system includes a monitoring device, a gateway, a main control computer and a plurality of reference nodes, wherein the monitoring device, the gateway, the main control computer and the plurality of reference nodes are incommunication connection. The monitoring device is used for receiving the wireless signal intensity and coordinate data sent by each reference node, calculating the location information according to the wireless signal intensity and coordinate data, obtaining the collected dosage data, and sending the location information and the dosage data to the main control computer through the gateway. The main control computer determines whether the dosage exceeds the standard or not according to the dosage data: transmitting alarm information to the monitoring device if the dosage exceeds the standard,recording the corresponding location information and marking the location as a dangerous area. The system and method provided by the invention can achieve the more complete and mature nuclear radiation monitoring.

The invention relates to a dual-spectrum high-speed camera based on fpga. The dual-spectrum high-speed camera comprises an infrared sensor, a visible light sensor, a serial communication master-slaveinterface realized by an I2C interface, an image processing device and an image real-time display device. A register in the cmos sensor is written by using an I2C interface working time sequence, exposure of the cmos sensor is controlled, and automatic white balance opening and closing, frame rate and / or resolution are / is controlled. The infrared-based high-sensitivity cmos sensor improves the imaging speed to realize high frame rate and high speed; and a global exposure mode is adopted by using the cmos sensor, so that the moving shooting of the high-speed object is not distorted.

The invention provides a slotted type carton data collection tool, which is characterized in that a carrier attached with data information is contained in a containing unit, a pair of first swinging covers and a pair of second swinging covers are arranged on the top part of the containing unit, and a control rod of a first motor unit drives the first swinging covers to extend towards the horizontal direction of the outer side of the containing unit; the beginning ends of first pressing rods extend towards the inner inclined upper part of a rod body, and the two first pressing rods respectively press the second swinging covers to extend towards the horizontal direction of the outer side of the containing unit; the beginning ends of second pressing rods extend towards the inclined upper part of the rod body, and the second pressing rods press the first swinging covers to extend towards the horizontal direction of the outer side of the containing unit; a data collector collects the data information on the carrier; a control rod of a second motor unit drives the first swinging covers to extend towards the horizontal direction of the inner side of the containing unit; the beginning ends of third pressing rods extend towards the outer inclined upper part of the rod body, and the two third pressing rods press the first swinging covers and the second swinging covers to extend towards the horizontal direction of the inner side of the containing unit so as to close the containing unit.

The invention provides a light-field panorama camera. The light-field panorama camera comprises N light-field cameras, and N is greater than or equal to 2, the light-field cameras are uniformly distributed and fixed on a circular support, the shot angle of each light-field camera is FOVcm, the overlapped angle of light-field images collected by every two adjacent light-field cameras is FOVomtp; and a panorama light-field image captured by the light-field panorama camera provided by the invention can allow refocusing in 360-degree angle visual angle. When a panorama is watched by eyes, the eyes can be selectively focused on any object, and the eyes can obtain a more realistic panorama watching effect.

The invention discloses an undisturbed sediment and overlying water synchronous acquisition and simulation method. The method includes the following steps that a sediment column is collected at the same position by means of a plurality of organic glass tubes, wherein the bottoms of the organic glass tubes are plugged with rubber plugs, and the sediment column comprises sediment and overlaying water located above the sediment; the overlaying water is extracted from the upper portions of the organic glass tubes by means of a syringe and a rubber tube and is stored in a unified mode; the tops ofthe organic glass tubes are covered with covers so that the tops of the organic glass tubes are plugged; after the rubber plugs are removed, the organic glass tubes are placed into a tank body of an annular water tank; after the covers are removed, the organic glass tubes are lifted upwards synchronously, so that the sediment is discharged from the bottoms of the organic glass tubes gradually under the action of gravity, and is laid in the tank body; the overlaying water which is stored in a unified mode is transferred into the tank body. The sediment and the overlaying water can be collectedat the same time, and meanwhile, the characteristics of the sediment cannot be damaged, so that the water environment state in the river flowing state can be accurately stimulated through the annularwater tank.

The invention provides a square-wave structure optical illuminating realization method based on polarization. According to the square-wave structure optical illuminating realization method, by adjusting the distance d between a liquid-crystal display and a glass sample to be detected and the space period of black-white square-wave fringes displayed by the liquid-crystal display, spatial resolutions of a first camera module and a second camera module on the position where the liquid-crystal display is located are less than d / 2, and simultaneous collection of double-phase images can be achieved.Compared with an existing structural optical detection system, imaging time is shortened for 1 / 2, so that defect detection efficiency is improved, under the condition of displaying the black-white fringes by the liquid-crystal display, sine structure optical illumination of the glass sample to be detected is effectively achieved.

The invention provides a diffusion scattering sunlight tracking sensor comprising a light collection cylinder (1), a light absorbing material (2), a diffusion scattering layer (3), a reflective layer (4), a photoelectric sensor (5) and a substrate (6). The light collection cylinder (1) is installed at the substrate (6); the diffusion scattering layer (3) is located at the middle of the light collection cylinder (1); and the inner wall, above the diffusion scattering layer (3), of the light collection cylinder (1) is coated with the light absorbing material (2). A central light through hole (3-1) is formed in the diffusion scattering layer (3); the photoelectric sensor (5) is arranged below the central light through hole (3-1) and is installed on the substrate (6); and the inner wall, below the diffusion scattering layer (3), of the light collection cylinder (1) is coated with the reflective layer (4). The provided diffusion scattering sunlight tracking sensor with advantages of high adaptability, simple structure, and low energy consumption is an ideal sunlight tracking device.

The invention discloses a multichannel constant-force intelligent controller based on a DSP (Digital Signal Processor), and belongs to the technical field of multi-suspension-point constant-force control. The multichannel constant-force intelligent controller based on the DSP aims to solve the problem existing in a current constant-force control system. The scheme adopted by the invention is characterized in that multiple channels of constant-force devices are controlled by the controller at the same time; each channel of constant-force device is provided with a motor; an output rotary shaft of each motor is connected with a roller; a sling hanging a load is wound around each roller; each sling is provided with a pulling force sensor which is used for monitoring a pulling force signal applied to the corresponding load; the multichannel constant-force intelligent controller based on the DSP comprises a DSP module and a network communication module; the DSP module sends starting and stopping commands to the n motors of the multiple channels of constant-force devices through Can buses; the pulling force signal monitored by the pulling force sensor of each channel of constant-force device is sent to the DSP module through the corresponding Can bus, the DSP module outputs an analog control quantity to a motor driving module of the corresponding motor according to the pulling force changing value of the channel of constant-force device, and the corresponding motor is controlled to drive the corresponding sling to extend or contract to compensate for the change of the pulling force of the corresponding sling, so that the pulling force applied to the corresponding load is constant.

The invention discloses an orthodontic force measuring device based on a flexible six-dimensional force sensor. Comprising a flexible six-dimensional force sensor, a bracket and a Bluetooth module, the flexible six-dimensional force sensor is pasted on the surface of each tooth through a biomedical adhesive, the bracket is installed at the top of the flexible six-dimensional force sensor, and the Bluetooth module connected with the flexible six-dimensional force sensor is installed on the surface of the bracket. The brackets between the adjacent teeth are connected through the orthodontic arch wires penetrating through the brackets; the orthodontic arch wire applies orthodontic force to teeth through the flexible six-dimensional force sensor, and the piezoresistive sensing unit on the flexible six-dimensional force sensor outputs a voltage signal through the Bluetooth module. According to the invention, not only can real-time detection of external stimulation in the spatial six-dimensional direction be completed, but also simultaneous acquisition of real-time data of a plurality of teeth can be realized, and a correction doctor is helped to know the suitability of orthodontic force and the tightness of a tooth hoop so as to formulate a more reasonable correction scheme.

The invention discloses a spectroelectro-chemistry sensing composite probe for measuring a colloidal quantum dot thin film. The spectroelectro-chemistry sensing composite probe is characterized in that a macro-quantity solution testing cavity and a thin-layered cavity are formed in a quartz luminosity pool; an interface is formed in the bottom of the thin-layered cavity; a capillary tube can be inserted in the interface; a circular cover plate is arranged on the upper end surface of the quartz luminosity pool; three electrode slots are formed in the circular cover plate; an upper light path channel and a lower light path channel are formed in the outside of the quartz luminosity pool; by the upper light path channel, the macro-quantity solution testing cavity can receive light; by the lower light path channel, the thin-layered cavity can receive light; a fiber interface (a) and a fiber interface (b) are formed in the outside of the quartz luminosity pool; and a light shielding cover is arranged on the outside of the quartz luminosity pool. By the spectroelectro-chemistry sensing composite probe, various testing requirements can be met, and standard testing data can be obtained. The spectroelectro-chemistry sensing composite probe has the advantages that the quartz luminosity pool is multipurpose, the cost is saved, electrodes are changed conveniently, the light transmitting pool is convenient to clean, and the detection precision is high.

The invention discloses a multifunctional signal collector, which comprises a plurality of sensor groups, a power supply, a wireless transmission unit, a processor, a channel switch control unit and a sensor adapter board, the plurality of sensor groups are connected to the sensor adapter board, The wireless transmission unit and the channel switch control unit are respectively interactively connected to the processor, the channel switch control unit is connected to the sensor adapter board and controls the switch of the sensor group, and the sensor adapter The board is connected with the processor and transmits the data collected by the sensor group to the processor, and the power supply is connected with the wireless transmission unit, the processor, the channel switch control unit and the sensor switch respectively. Connect to the board and supply power to each connection unit. The multifunctional signal collector of the present invention can realize multi-data signal collection, is convenient to use, simple to operate, has strong compatibility, can acquire measurement information at the first time, and has strong battery life.