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.

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 discloses a multifunctional ultrasonic ranging data acquisition system and a method thereof. The multifunctional ultrasonic ranging data acquisition system comprises a microprocessor, an RAM (random access memory) and an analog signal acquisition module, wherein the RAM and the analog signal acquisition module are connected with the microprocessor, an ultrasonic wave acquisition module of the analog signal acquisition module comprises a decoder, a transmitting access analog switch, a receiving access analog switch, ultrasonic wave transmitting circuits, ultrasonic wave receiving circuits and ultrasonic wave detecting circuits. The method includes that on the basis of a PC (personal computer)/104 bus, data acquisition of ultrasonic wave sensors, a temperature sensor, a pressure sensor and a plurality of other sensors about position switch signals and the like are integrated, and the data of all sensors can be acquired at the same time. The analog switches are selectively switched on by the decoder so that transmitting and receiving of the ultrasonic waves are controlled. A transmitted sound wave signal is effectively separated from a received sound wave signal, so that interference of the transmitted ultrasonic wave to reception detection is reduced, detection accuracy is improved, and the multifunctional ultrasonic ranging data acquisition system is simple and compact in structure and strong in reliability and practicality.

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 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 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 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 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.