272results about How to "Improve observation efficiency" patented technology

The invention discloses an underground high-conducting visualizer and an observation method thereof. The invention includes a plurality of plugging devices that are connected in series; a water injection pipeline between two neighboring plugging devices is provided with a water injection opening; one end of the water injection pipeline is connected with a water injection control platform; the plugging pipelines are mutually communicated by external connecting pipelines and are connected with expansion pipelines. When in use, firstly bores are drilled in the cover rocks needed observing; then the plugging devices connected in series are pushed into the preset position of the bores; gas is pumped into the expansion pipeline and then one section of the bores is plugged into a plurality of sections; water is injected into the water injection pipelines and the water injection opening on the water injection pipeline between the two neighboring plugging devices are opened in sequence; water is injected into the terrane that the section of bores lies in; finally the cranny growth situation inside the cover rocks is analyzed according to the water injection seepage discharge of each section of terrane. The underground high-conducting visualizer has simple structure, is convenient for use, can realize simultaneous plugging, water injection by section and multi-section seepage detection, improve the observing efficiency and has highly reliable detection result.

The invention provides a foundation-based atmosphere profile microwave detector. The detector is characterized by comprising an antenna feeder unit, a radiometer receiving unit and a scanning mechanism unit, wherein the antenna feeder unit comprises two independent antenna feeder sub-units for two wavebands and is provided with two-frequency independent reflective surfaces; the two independent antenna reflective surfaces are arranged at two ends of the output shaft of a scanning motor respectively, can realize beam scanning through motor rotation, and are used for receiving microwave radiation of atmosphere and an internal calibration reference source; the radiometer receiving unit comprises a directional coupler, a radio amplifier, a power divider, a band pass filter, a square law detector, an integrator and a video amplifier, and is used for realizing intermediate frequency detection of a received signal; the scanning mechanism unit comprises a scanning shaft, a scanning step motor, two front ends and a sub-miniature type A (SMA) connector; and driven by the scanning motor, the scanning shaft drives the two reflective surfaces to circumferentially scan so as to realize observation on sky in different incident angles and measurement on an internal calibration blackbody and acquire data which is acquired in a measurement and periodic internal calibration unit.

The invention provides a sector scanning SAR wide observation method which leads a phased array antenna to regulate the orientation of an azimuth beam according to a sector angle and an angular velocity parameter and along impulses so as to lead the azimuth beam to rotate with a constant velocity according to the impulse emission direction in the scope of the sector angle and form a scanning beam to obtain an imaging zone resembling a sector annulus, and then emits a linear frequency-modulated signal and receives an echo signal so as to obtain a full image through a two-dimensional focusing process and a revising-splicing process. A visual angle is preserved hereabout a right side angle of the azimuth to form the imaging zone resembling the sector annulus so as to realize the azimuth high-effective wide observation; the azimuth beam is adopted to scan along the azimuth sector in the signal accessing process so as to enhance the azimuth observation efficiency of a classic strip mode in a low-velocity platform SAR load while guaranteeing a wide switch. The method can carry out the two-dimensional observation for a large area in a short time to enhance the time resolution and observation efficiency of azimuth, thus realizing the high effective two-dimensional wide observation.

The invention relates to a three-dimensional observation device for scouring terrain, belonging to the field of terrain measurement and comprising a full-plane laser projector, an image collection device, a terrain image calibration device, a host lifting device, a fixed support structure and a power supply system, wherein the full-plane laser projector comprises a slot-shaped line type laser die set, a die set micro-adjusting bracket, a baffle board, a cover board, a laser distance meter and a universal joint; the terrain image calibration device comprises a spot type laser die set and a fixed supporting board; the image collection device comprises a computer, a digital camera, a camera gravity positioning box and a universal joint; the respective horizontal angle of the full-plane laser projector and the digital camera is automatically adjusted through the universal joint under the self-weight action so that the full-plane laser is in parallel to a horizontal plane; the principal optical axis of the camera is perpendicular to the horizontal plane; and the host lifting device controls the lifting of the full-plane laser projector in a step pitch setting mode. The integral set of the system has higher observation efficiency and precision, and is suitable for the research on the aspect of terrain three-dimensional analysis in a river model test.

The invention discloses a moving target single-satellite task planning method based on a constraint satisfaction genetic algorithm, which comprises the following steps of: firstly, calculating a visible time window according to model characteristics and constraints of a satellite and an observed target to form an initial task sequence; Secondly, constructing an objective function and a genetic algorithm model, and introducing a conflict elimination operator to calculate a conflict sequence; Thirdly, optimizing and solving the task sequence to obtain a conflict-free task sequence meeting the constraint; And finally, calculating a satellite task observation scheme and a satellite maneuvering angle. According to the method, the satellite earth observation efficiency can be improved, limited satellite resources are reasonably utilized, and the capture observation task of the moving target is completed.

The invention provides an imaging device and method, which relate to the field of imaging. The method comprises the following steps: determining an object watched by a user according to fundus imaging of the user; and changing the target imaging size of the watched object at the fundus oculi of the user according to a predetermined scaling rule. The device comprises an object determining unit which is used for determining the object watched by the user according to the fundus imaging of the user, and a processing unit which is used for changing the target imaging size of the watched object at the fundus oculi of the user according to the predetermined scaling rule. According to the imaging device and method, the target imaging size of the watched object at the fundus oculi of the user can be automatically changed by optical scaling processing, so that the user can observe the watched object with the appropriate imaging size at the fundus oculi and in an appropriate distance; therefore, the user can conveniently observe the watched object and the observation efficiency is improved.

A first electron biprism is disposed in a condenser optical system and an observation region of a specimen is irradiated simultaneously with two electron beams of different angles. The two electron beams that have simultaneously transmitted the specimen are spatially separated and focused with a second electron biprism disposed in an imaging optical system and two electron microscopic images of different irradiation angles are obtained. The two picture images are obtained by a detecting unit. Based on the two picture images, a stereoscopic image or two images having different kinds of information of the specimen is/are produced and displayed on a display device.

The invention provides an imaging device and method, which relate to the field of imaging. The imaging method comprises the following steps: detecting the position of the focusing point of eyes of a user; determining an object watched by the user according to the position of the focusing point; and changing the target imaging size of the watched object at fundus oculi of the user according to a predetermined scaling rule. The device comprises a detection unit which is used for detecting the position of the focusing point of the eyes of the user, an object determining unit which is used for detecting the object watched by the user according to the position of the focusing point, and a processing unit which is used for changing the target imaging size of the watched object at the fundus oculi of the user according to the predetermined scaling rule. According to the imaging device and method, the target imaging size of the watched object at the fundus oculi of the user can be automatically changed by optical scaling processing, so that the user can observe the watched object with the appropriate imaging size at the fundus oculi and in an appropriate distance, and further, the user can conveniently observe the watched object.

The invention relates to a method and device for field observation of soil layer frost heaving of a high speed railway in a seasonal frozen soil region. An optical instrument used for observing seasonal frozen soil layer frost heaving amount cannot be used for observing the frost heaving amount of all layered soil in the freezing depth, precision is hard to meet, and professional instruments and observation technicians are needed for observation. The device is buried in a seasonal frozen soil layer and comprises a round-sheet-shaped lower anchor disc and a round-sheet-shaped upper anchor disc. A vertical measuring bar displacement meter is connected to the center of the lower anchor disc and the center of the upper anchor disc, and the measuring bar displacement meter is connected with a reading instrument arranged outside filled soil above the upper anchor disc through a transmission cable. Frost heaving deformation of the seasonal frozen soil layer drives the upper anchor disc and the lower anchor disc to move, and the measuring bar displacement meter is used for observing the variable quantity of the distance between the upper anchor disc and the lower anchor disc to reflect the frost heaving amount of the seasonal frozen soil layer. By means of the method and device, the total frost heaving amount of the seasonal frozen soil layer can be observed, and the frost heaving amount of all layered soil can be observed by setting devices of different lengths; the displacement meter is high in observation precision and efficiency, and automation of observation of frost heaving deformation can be achieved.

The invention discloses a remote-sensing multi-angle ground observation device, which comprises a driving cart, a height-adjustable supporting assembly which is installed on the driving cart and is driven by a motor, an azimuth angle rotating base which is installed on the supporting assembly, an arc-shaped guide rail which is installed at the rotating end of the azimuth angle rotating base, and an instrument trolley which is installed on the arc-shaped guide rail. The lower part of the supporting assembly is connected with a tricycle base; one end of a cross bar is connected with a slideable supporting rod in the supporting assembly, the other end of the cross bar is connected with the rotating base for controlling the azimuth angle. and the rotating end, for realizing the azimuth angle control on the arc-shaped guide rail, at the lower part of the rotating base is connected with one end of the arc-shaped guide rail; a trolley platform which carries various instruments is installed on the arc-shaped guide rail. The remote-sensing multi-angle ground observation device can solve the technical problems that the existing equipment for omnibearing multi-angle observation of ground object bi-directional reflection, multi-angle infrared temperature and emissivity cannot obtain data quickly, the equipment is not light and portable and is required to be assembled on the spot, and multiple sensors cannot be carried on an observation platform at the same time.

The invention is about a method for idealistically measuring the deep source with a high precision based on the natural electric field and its device. It processes the digital signal by using DSP and FPGA based on the existing measuring principle of the natural electric field, and it adopts GPS device for synchronized measurements and digital integration and effective use of natural and artificial electric interference to achieve the idealized natural electric field measurement. There are four channels on the detector which can be connected to four pairs of electrodes, so the speed of measurement is increased. The hardware of the system consists of a simulation unit, an A/D conversion unit and a digital unit,in which, the simulation unit is mainly used to amply the input signal and filter the frequency interference, and the A/D conversion unit is used to convert the analog signals into digital signals by using the converter of 24-bit delta-Sigma A/Dconverter, and digital unit is used to process the converted signals including the digital signal filtering, power spectrum calculation and memory function.

The invention discloses a device and a method for tracking frozen soil active layer water movement and underground ice freeze-thaw process. The tracking device comprises a precipitation tracer releasing device, an active layer water and underground ice freeze-thaw simulating device, and a drainage collecting device. The precipitation tracer releasing device is used for mixing a man-made tracer with natural water body to label water and form rain intensity controllable simulated precipitation; the active layer water and underground ice freeze-thaw simulating device contains test soil and is used for monitoring soil temperature and soil water content in real time; and the drainage collecting device is used for collecting the produced water. The device and the method disclosed by the invention can directly observe the active layer water and underground ice in every space of the test soil at different time periods of precipitation runoff generation, underground ice development, underground ice thawing, and so on, can automatically monitor ground temperature and soil water content, and can conveniently and rapidly collect underground ice and soil water samples in every space in the freeze-thaw process. The solute and isotopic tracer technique has strong physical basis, and can improve observation efficiency.

The invention discloses a nuclear magnetic resonance and transient electromagnetism integrated detecting instrument. The detecting instrument comprises a mainframe, a transmitting coil, a receiving probe and an upper computer system, wherein the mainframe comprises a transmitting module for outputting nuclear magnetic resonance excited pulse and transient electromagnetism excited pulse, a receiving module for gathering nuclear magnetic resonance and transient electromagnetism response signals, and a communication module for realizing interaction of command and data between the upper computer system and a control module of the mainframe; the transmitting module provides pulse output for the transmitting coil; the receiving module performs pre-filtering amplifying processing on signals gathered by the receiving probe, and transmits processed signals to the control module. The detecting instrument abandons the traditional single frequency sine wave exciting mode in terms of transmission of nuclear magnetic resonance excited pulse, thereby cancelling a resonance circuit in a large size, and is beneficial to the work development in tunnels with complex construction conditions. A coil bracket carrying a plurality of probes at the same time, designed together with the detecting instrument, has the advantage of capability of meeting the observation requirement on multi-probe array simultaneous reception.

The invention relates to multifunctional seismic detection and predicting device. It sets network type multifunctional detecting well and sonar tube in lithosphere to detect its sound signal and seismic signal while breaking, uses vertical deformation of the laser detecting multifunctional detecting well to calculate its horizontal stress change by function calculating, combines satellite observation for ground change and magnetic variation to observe and analyze natural environment in earthquake, before and after. Thus it can exactly predict by the numbers for the crust lithosphere change and the becoming earthquake.

The invention discloses a high-resolution optical satellite maneuvering imaging drift angle correction method. A drift angle correction model under a maneuvering imaging mode is set up according to a satellite attitude maneuver scheme, a method for calculating a drift angle is derived based on the satellite position and ground point position coordinates, and a scheme for installing a drift angle correction device at the focal plane position is provided. Thus, a satellite can have the imaging capacity on a target strip deviating from the flying direction, the observation range and the observation efficiency of the satellite are greatly improved, and meanwhile, the satellite can have the dynamic pushing and blooming imaging capacity in the vertical direction of a sub-satellite point. Large-width imaging of a sub-satellite point area is achieved in a multi-strip splicing manner, and the requirement for the TDICCD camera width is lowered.

The invention discloses an underground water level observer for hydrogeological exploration, and belongs to the technical field of hydrogeological exploration. The underground water level observer for hydrogeological exploration comprises an observation box, the output end of a motor is coaxially connected with a crank A, a water level prompting assembly is fixedly arranged on the left side of the middle of the upper portion of the observation box through a fixing base, a pull rod is rotationally connected to the interior of a shell through a pin shaft, the front end of the pull rod is coaxially connected with an arc-shaped rack, and a middle shaft is rotatingly connected to the middle part of the shell; a plurality of square rods are fixedly arranged at the upper end of the middle shaft in a triangular structure, and the structures are tightly matched, so that when a measurer measures through a conical floating block and a scale rope, when the scale rope reaches the water level, a sound can be made in time to remind the measurer, and the measurer can know whether the rope is excessive or not; therefore, the scale rope collecting and releasing condition can be accurately mastered, the water level observation efficiency is improved, meanwhile, the measurement accuracy is improved, the accuracy of a data collection result is guaranteed, and a powerful guarantee is provided for data analysis.

The invention provides a novel sag observation rod, and the observation rod comprises a sag measurement rod body, a sag calculator, and a sag measuring ruler. The sag calculator is used for calculating an observed span sag between two fundamental rods after the parameters of an observed overhead line and the surroundings are input. The sag measuring ruler is used for adjusting the scale of the measuring ruler according to the sag calculated by the sag calculator. The sag measurement rod can quickly calculate the sag of an overhead line, achieves the more visual observation of the sag of the overhead line, is simple in structure, is quick and convenient for operation, is portable, and is low in manufacture cost.

The invention discloses a jacket type hydrologic observation device. The observation device comprises a jacket supported on the sea level through a supporting rack, and the top of the supporting rack is provided with a mounting box having an inner cavity; a battery, a data acquirer and a memory are arranged in the mounting box; the top of the mounting box is provided with an anemometer and an anemoscope; a buoy and a water level gauge are connected to the internal of the mounting box or to the jacket through a connecting element, and the buoy and the water level gauge are arranged in the sea level; the battery supplies power to the data acquirer, the memory, the anemometer, the anemoscope and the water level gauge; and the data acquirer is used for storing data monitored by the anemometer, the anemoscope and the water level gauge in the memory in real time. The device has the advantages of simple structure, convenience and high efficiency in use, and effective reduction of the offshore working time and the workload.