175results about How to "Expand the scope of observation" patented technology

The invention relates to a doctor-patient remote alternation platform and a remote alternation method, comprising: a computer system at a server end, a microcomputer device at a medical referral centre institution end, a microcomputer device at a medical referral application end, a microcomputer device at a medical expert end, which are in a wide area network and realize network connection, thereby realizing facial transmission in a broadcasting mode, medical image of real-time transmission, remote control automatic microscope platform, and alternation speech communication is present on the basis of sharing real-time medical image. Three perfect remote medical solution with different applications are realized, including a pathology remote consultation solution, a pathology remote medical education solutionand a pathology remote medical communication solution.

The invention discloses a high-resolution holographic three-dimensional display device on the basis of multilayer spatial light modulators. The high-resolution holographic three-dimensional display device comprises a coherent light source, a beam expanding and collimating system, a spatial light modulator group, an image transmission module and a computer. The spatial light modulator group comprises N spatial light modulators arranged in parallel. The invention further discloses a holographic three-dimensional display method on the basis of the multilayer spatial light modulator. The multiple layers of spatial light modulators are arrayed from front to back, each layer of light modulators codes and modulates light beams incident thereon in a holographic manner according to coding images loaded by the computer, a high-resolution holographic three-dimensional light field of real space is reproduced, the observation range of holographic display is expanded, displayed images can be simultaneously viewed by various people with naked eyes at various viewing angles, discomfort of the observers generated in a three-dimensional displayed image viewing process is eliminated, and the natural physiological and psychological habits in aspects of visual observation and depth perception of human being are automatically conformed.

The present invention features that the lead method of synchronous 18-lead electrocardiogram converted in corrected orthogonal electrocardiogram mode includes back left deriving V7, V8 and V9 as the three lead axes to reflect the back wall of the left ventricle with V6 lead as base point, right deriving V3R, V4R and V5R as the three lead axes to reflect the right ventricle with V1 lead as base point, and synchronous displaying of the six lead axes and 12 conventional lead axes. The expanded lead method of synchronous 21 leads includes back left deriving V7, V8 and V9 as the three lead axes on the basis of V5 lead axis. The lead method including converting the inclined angles in orthogonal electrocardiogram mode with right and left side correction and multiple bedding plane electrocardiogram lead containing up and down whole angles is the combined application of lateral electrocardiogram and transverse plane/frontal plane electrocardiogram.

The present invention relates to a crane virtual control system. Said system includes crane control box, camera head, helmet display, position tracker and computer processing unit. The crane control box and camera head are respectively connected with USB port of computer processing unit, the helmet display is connected with display card interface of computer processing unit, and the position tracker is connected with serial port of computer processing unit, in which the camera head is fixed over the crane control box, the position tracker is fixed on the helmet display, and the display card of computer processing unit is one for supporting 3D function.

The invention relates to an independent five-degree-of-freedom ultra-precise material in-situ test microscopic observation platform and belongs to precise scientific microscopic observation instruments. The platform is composed of X-axis, Y-axis and Z-axis precise movable assemblies, X-axis and Z-axis rotary assemblies, X-axis, Y-axis and Z-axis flexible hinge type ultra-precise following assemblies and a super-view deep observation lens. The X-axis, Y-axis and Z-axis precise movable assemblies and the X-axis and Z-axis rotary assemblies can be used for respectively carrying out precise adjustment on relative positions and relative angles of the super-view deep observation lens in X, Y and Z directions of an observation test piece; the X-axis, Y-axis and Z-axis flexible hinge type ultra-precise following assemblies can realize active following of the test piece in microseismic movement relative to a load in the X, Y and Z directions; and the Y-axis precise movable assembly can assist the super-view deep lens in zooming. The super-view deep lens is used for carrying out super-view deep observation on the shape of a microcosmic surface of the test piece. The independent five-degree-of-freedom ultra-precise material in-situ test microscopic observation platform has the advantages of ingenious volume, precise driving, good following effects, high integration and strong practicability, can be used independently and can also be combined other equipment to use.

The invention discloses a cooperative control system and a cooperative control method based on an unmanned surface vehicle and multiple underwater robots. The cooperative control system comprises theunmanned surface vehicle and the multiple robots. The unmanned surface vehicle generates underwater exploration search targets and path planning information corresponding to all the robots based on obtained geographical positions of all the underwater exploration search targets, the underwater topographic information and the real-time geographical positions of all the robots; each robot receives the underwater exploration search target and the path planning information sent by the unmanned surface vehicle; and the search targets are investigated according to the path planning information, andimage information of a underwater suspicious target is acquired and compared with the received underwater exploration search targets until image video shooting and data acquisition of the suspicious target and the search targets are completed in the process of executing search target exploration when the underwater suspicious target is close to the underwater suspicious target. According to the cooperative control system, the SOM network is adopted to solve the problems of multi-machine cooperation, information sharing, multi-task allocation and real-time path planning of the unmanned surfacevehicle and multiple underwater robots.

The invention discloses a pollen collector, which comprises a machine box, a bearing speed reducing motor and a sampling bracket, wherein the bearing speed reducing motor is arranged in the machine box and provided with a bearing driving output shaft; the sampling bracket is arranged on the machine box. The bearing driving output shaft is vertical to the horizontal plane. The top end of the bearing driving output shaft penetrates through the upper end wall of the machine box and is connected with the sampling bracket. A vertical sampling sheet is fixedly connected to the sampling bracket. The invention can carry out both continuous long-term observation and sampling and intermittent sampling in a fixed time, and can carry out sampling in overcast and rainy days or shower days. The specially designed rotary protective closure can protect the sampling sheet, and also can ensure the accuracy of the collecting concentration and flux calculation. The invention has the advantages of simple structure, small volume and convenient carrying.

The invention relates to a coal mine rescue robot path planning method based on an artificial potential field and belongs to a robot path planning method. The coal mine rescue robot path planning method is implemented under the environment that feasible paths exist in a known robot work space, a closed region enclosed by a plurality of lines and used for expressing obstacles in the work space and a connected work space, i.e. any two points. The method comprises the following steps: S-1, establishing a local robot work space repulsion potential field according to a priori map; S-2, establishing a path partial differential equation by the utilization of Quasi-Geodesic method according to the distribution of the repulsion potential field; S-3, solving the path equation to obtain a local path; S-4, processing a local optimum problem if an algorithm is detected to trap in a local optimum; S-5, repeating S-1 to S-4 till a destination point is reached and obtaining an initial path; S-6, optimizing the initial path, reducing the path length and obtaining a final path. The method has the benefits that the more accurate and shorter path can be obtained, and meanwhile, the running time needs not to be too long, so that the rescue time is shortened, and the rescue efficiency is improved.

The invention provides a multifunctional unmanned aerial vehicle for fishery breeding, belongs to the field of unmanned aerial vehicles, and particularly relates to a fishery breeding unmanned aerial vehicle. The unmanned aerial vehicle comprises a machine body, machine arms, motors, rotors, a cradle head, a camera, fish finders, lighting lamps, a feed delivery machine connecting frame, a feed delivery machine and a landing gear. The fish finders and the lighting lamps are installed on the machine arms. The feed delivery machine connecting frame is arranged below the machine body, and the feed delivery machine can be connected with the feed delivery machine connecting frame through bucket lugs. After the feed delivery machine is removed, the landing gear can be installed. According to the multifunctional unmanned aerial vehicle for fishery breeding, by combining the feed delivery machine with a multi-rotor aircraft, the labor cost can be lowered, the functions of the fish finders and the camera are combined, the fish categories are accurately distinguished, fish school distribution positions are accurately located for feed delivery, in this way, feed waste can be reduced, and the feeding efficiency is improved. In addition, the feed delivery machine can be removed from the unmanned aerial vehicle, and the patrol flexibility and cruising capacity of the unmanned aerial vehicle can be improved.

The invention discloses a landslide disaster emergency monitoring and troubleshooting method based on an interferometric synthetic aperture radar (In SAR). The landslide disaster emergency monitoringand troubleshooting method based on the In SAR comprises the following steps that S1, data selection is carried out, specially, target area active geological disaster data is obtained based on the InSAR, and an original data set is obtained trough a plurality of times of measurement; S2, interference processing is carried out, specially, the interference processing is carried out on the data through a PALSAR ( Phased Array type L-band Synthetic Aperture Radar); S3, comprehensive interpreting is carried out, specially, the deformation is mainly observed by the In SAR, and optical remote sensing, landform and geological condition characteristics are assisted in interpreting active geological disasters in a target area; and S4, a landslide disaster map is drawn. According to the landslide disaster emergency monitoring and troubleshooting method based on the In SAR, the target area active geological disaster data is obtain based on the In SAR, the original data set is obtained through themultiple times of measurement, the surface deformation is then measured through an interference phase change, the landslide disaster emergency monitoring and troubleshooting method based on the In SAR has the advantages of allday, allweather, wide observation range, high sensitivity, high performance-price ratio, traceability of observation time and the like, and great significance to the rapid troubleshooting of the large-scale geological disasters is achieved.

The invention relates to a space multi-target detection system and method. The method comprises the following steps: performing cross-correlation calculation on each of a plurality of receiving antenna signals; obtaining a brightness distribution function according to a cross-correlation calculation result and realizing comprehensive aperture mapping of an observed area; realizing the suppressionof cosmic background noise in the comprehensive aperture mapping by utilizing observed data or prediction calculation; correcting image blur caused by spatial target motion in the comprehensive aperture mapping according to the observed data or an orbital mechanics model; realizing the recognition and the direction estimation of multiple targets in the comprehensive aperture mapping through threshold value judgment; realizing calculation on time delay and phase difference of each of antennas relative to a phase center aiming at selected target direction and performing time delay and phase adjustment; realizing the alignment of each of the antenna signals in the selected target direction according to time delay and phase difference calculation values; performing co-directional addition on signal values of all the receiving antennas and realizing the observation of a signal source in the selected target direction.

The invention provides an underwater array scanning laser imaging device comprising a carrier (1), an electrical module (19) and an imaging module (18), wherein the carrier (1) is the shell of the whole device; the electrical module (19) comprises a lighting laser (15), a combined inertial navigation unit (16) and a control processing unit (17); components of the electrical module (19) are fixed on two sides of an installation plate (22), and fixed with the carrier (1) via the installation plate (22); the imaging module (18) comprises a pitching servo mechanism (5), a rolling servo mechanism (6) and an optical imaging module (14); the optical imaging module (14) comprises an imaging lens (7), a filtering plate (8), a hating imaging sensor (9) and a lighting lens (10); laser emitted by the lighting laser (15) can be transmitted to the lighting lens (10) via an energy transmission optical fiber (11). The device provided by the invention has the characteristics of being miniature, and capable of achieving array scanning under water.

The invention discloses a meteor detection method based on an incoherent scattering radar, and the method comprises the following steps: (1), dividing original baseband orthogonal two-path sampling data into two parts, enabling one part of the data to serve as the input data of meteor head event detection, enabling the other part of the data to serve as the input data of meteor trail event detection, and enabling the two parts of event detection to operate in parallel as independent steps; (2) carrying out meteor event detection; and (3) carrying out meteor parameter extraction. According to the meteor detection method based on the incoherent scattering radar, the sensitivity to a radar beam arrival angle is overcome, the coverage range of a detectable meteor area is widened, meteor eventscan be detected in real time, and meteor parameters such as the height, the radial speed, the radial deceleration and the equivalent scattering sectional area are extracted.

The invention provides a CO2 gas drive front edge position judgment method and a model training method and device and relates to the technical field of CO2 sealing monitoring. The model training method comprises the steps: obtaining vertical seismic profile data of sample logging; performing full-waveform inversion on the vertical seismic profile data to obtain a full-waveform inversion result; inputting the vertical seismic profile data and the full-waveform inversion result into a preset neural network model for training; and obtaining a CO2 gas drive front edge position judgment model. Timeshifting ground seismic data of multiple periods are input into the CO2 gas drive front edge position judgment model which is trained in advance, reservoir parameters of the multiple periods are output, and the CO2 gas drive front edge position is obtained through the analysis of a difference data body. According to the method, the ground earthquake and the VSP data are fully utilized, the resolution is not reduced while the large observation range of the ground earthquake data is ensured, and the calculated amount of full waveform inversion is reduced.

An HMT (head-mounted display) optical system provided with an adjustable exit pupil comprises a front fixing group, a zooming group, a compensation group and a rear fixing group. The position relation is shown as follows: with a microdisplay or a middle image plane as an object plane, the front fixing group, the zooming group, the compensation group and the rear fixing group are arranged sequentially, and each of the front fixing group, the zooming group, the compensation group and the rear fixing group is arranged in an axial symmetry manner relative to an optical axis; the front fixing group and the rear fixing group always keep unchanged in position in the zooming process of the optical system, and the zooming group and the compensation group move along the optical axis in accordance with respective curves in the zooming process of the optical system. A front focal plane and a rear focal plane of the optical system are kept fixed in the moving process of the zooming group and the compensation group, so that the front focal plane of the optical system and the object plane coincide, and the rear focal plane of the optical system and the exit pupil coincide. The optical system has the characteristics of being simple in structure, high in light energy utilization rate, high in imaging quality and the like and can realize expansion and intelligent adjustment of the exit pupil.

The invention provides a device and a method for whole-region measurement of vertical components of current source frequency domain magnetic fields. The device comprises a transmission power supply, a current transmitter, a power supply electrode, at least one electromagnetic reception apparatus and at least one magnetic bar, wherein the power supply electrode is connected with the current transmitter; the magnetic bar is connected with the electromagnetic reception apparatus; the current transmitter is a single-frequency or 2n sequence pseudorandom multi-frequency current transmitter; the transmission power supply is arranged in an appointed area and connected with the current transmitter, and is used for generating and transmitting current containing one or more main-frequency components by the current transmitter and transmitting the current underground through the power supply electrode; the electromagnetic reception apparatus is arranged in a target area which is an appointed transmission/reception distance away from the transmission power supply, and is used for receiving magnetic field response, generated by the ground, of one or more frequencies containing electric distribution information of underground matters in the vertical direction through the magnetic bar connected with the electromagnetic reception apparatus, so as to obtain the vertical components of the magnetic fields with different frequencies at the current test position and then realize the whole-region detection of the underground electric distribution.

The invention discloses a two-dimensional pointing mechanism for a space optical remote sensing instrument. The two-dimensional pointing mechanism is composed of an installation machine seat, an azimuth axis drive assembly, a pitch axis drive assembly and a pointing mirror assembly, wherein the azimuth axis drive assembly comprises a drive servo motor, a high-accuracy encoder and a harmonic reducer, and the pitch axis drive assembly comprises a servo drive motor, a high-accuracy encoder, a harmonic reducer and an azimuth axis connecting piece. The two-dimensional pointing mechanism has the beneficial effects that compared with a traditional two-dimensional pointing mechanism, the two-dimensional pointing mechanism is high in pointing accuracy, simple in structure, small in load, low in assembling difficulty and the like; and meanwhile, the mechanism can continuously rotate by 360 degrees in one dimension, and the functions of in-orbit calibration and the like of the space optical remote sensing instrument can be achieved.

The invention discloses a ramp crossing traffic indication device. The device comprises a column body, wherein a steering cavity is arranged in the column body, a rotating block is arranged in the steering cavity in a rotating mode through a steering shaft, a fixed disc is fixedly arranged on the left end surface of the rotating block, a convex mirror is arranged on the left end surface of the fixed disc, the lower side of the convex mirror is provided with an infrared detector, a clean illuminating device is arranged in the fixed disc, and a rotary driving device is arranged on the upper side of the steering cavity. According to the device, a vehicle entering the ramp crossing can directly see the vehicle entrance condition of the ramp crossing through the convex mirror, the position of the convex mirror can be adjusted according to driving and the traffic flow of the vehicle, and the observation range of the convex mirror is increased; and secondly, the indication device is provided with the solar energy as the power supply, so that the device is energy-saving and environment-friendly, the continuous work of the device is guaranteed, the device can be used in rainy days or at night, and the safety degree is high.

The invention provides a phase state recognition product mosaicing method and device based on a dual-polarization radar network, being characterized in that for a first grid point covered by M dual-polarization radars at the same time, according to the number of stations of the dual-polarization radars in the dual-polarization radar network, performance of each dual-polarization radar in the dual-polarization radar network, and the observation target of the dual-polarization radar, the mosaicing scheme is determined after comprehensive consideration, and then according to the mosaicing scheme,phase state recognition product mosaicing is performed on the first grid point so as to obtain a unified phase state mosaicing product with a relatively large observation range, so as to give a wholestructure for the large-scale disaster weather such as rainstorm and typhoon.

A plant growth observation platform comprises a sample vessel (1) and a base (2) and further comprises a pan-tilt (3), a camera support (6), a vertical sliding block support (5) and a vertical guide rail (4). The camera support (6) is connected with the vertical sliding block support (5) through a rotary shaft, a camera can vertically rotate by 90 degrees along the horizontal line, the vertical sliding block support (5) is connected with the vertical guide rail (4) and can move vertically along the vertical guide rail (4), the vertical guide rail (4) is fixed to the base (2), and the pan-tilt (3) is fixed to the base (2), and can rotate by 360 degrees around the central line of the pan-tilt. The plant growth observation platform can accurately reproduce the observation position, meanwhile, a user can observe a sample from different angles, and the plant growth observation platform is especially suitable for the observation and comparison experiment of plant growth.

The invention discloses a multi-angle display device for a computer. The device comprises a base, an adjusting assembly, a rotating assembly and a fixing assembly, the adjusting assembly is arranged on the outer wall of the top end of the base, the rotating assembly is arranged on the outer wall of the top end of the adjusting assembly, and the fixing assembly is arranged on the outer wall of the top end of the rotating assembly; two fixing plates are symmetrically welded to the center line of the outer wall of the top end of the base. Semi-circular sliding grooves are formed in the outer walls of the top ends of the fixing plates. The fixing assembly is simple in structure and convenient to operate, notebook computers of different sizes can be fixed conveniently, the application range of the equipment is widened, the adjusting assembly can drive the notebook computer on the first mounting plate to be adjusted in the vertical direction, and the rotating assembly is arranged, so that the notebook computer on the first mounting plate can be conveniently driven to rotate and adjust left and right, the observation range of customers is enlarged, the whole package of the notebook computer can be conveniently observed, and the display effect of the notebook computer is good.