38results about How to "Continuous observation" patented technology

The invention discloses a VHF (very high frequency) frequency-range intracloud lightning detecting and positioning system, which comprises a central treatment station and a plurality of detection and treatment sub-stations arranged in different positions, wherein the detection and treatment sub-stations and the central treatment station are accessed into a public wide area network in a wired or wireless mode; and through the wide area network, on one hand, obtained intracloud lightning detection data is uploaded to the central treatment station by the detection and treatment sub-stations, andon the other hand, the working state of each detection and treatment sub-station is remotely monitored by the central treatment station. The system can be used for precisely estimating the incidence directions of lightning radiation signals of a plurality of simultaneously occurring lightning radiation sources or the same lightning radiation source arriving at the detection sub-stations through different propagation paths, the arriving time difference of the lightning signals between any two detection and treatment sub-stations is calculated at the central treatment station (TDOA estimation),and the spatial position of an intracloud lightning radiation source is determined by DOA and TDOA information.

The invention relates to a device and method for providing information about animals walking through an animal passage (I), the information comprising at least the number of animals walking through the animal passage, using a detection device having a sensor device connected to a processor for capturing animal data about animals walking through the animal passage, and an analysis device for recognizing animals in the data/signals captured by the sensor device for the purpose of outputting counter impulses when animals are detected in said signals, the sensor device being designed for producing 3D images, and the analysis device being designed for detecting animals in the 3D data of the 3D images and for counting the animals using said detection.

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

The invention relates to a method for utilizing forwarding range finding value and pseudo range value to determine GEO navigation satellite clock error. The method comprises the following steps: obtaining GEO navigation satellite transponder time delay value, forwarding range finding value, pseudo range finding value and synchronization forwarding range finding value through laser measurement and definitive orbit calculation, converting the synchronization forwarding range finding value as original satellite ground distance value, and carrying out ionosphere correction on the original satellite ground distance value and the pseudo range finding value to respectively obtain ionosphere corrected satellite ground distance value and ionosphere corrected pseudo range measured value; figuring out real-time GEO navigation satellite clock error; and obtaining satellite transponder time-delayed actual value and after precise GEO navigation satellite clock error through after precision definitive orbit calculation. According to the method, clock error product with second time interval can be provided to improve real-time precision of a navigation positioning system. Also the calculating method used in the invention is simple, thus error in the calculating process is effectively minimized.

The invention provides a buoy-based long-time on-line monitoring apparatus for the sea cloud height. The apparatus comprises a buoy; and a laser ceilometer, a buoy attitude measuring module, a cloud height correction and compensation module, a communication module, and a meteorology and hydrology observation sub system. The buoy attitude measuring module is used for measuring attitude parameters, like a heading parameter, a rolling parameter and a pitching parameter, of a buoy platform; the cloud height correction and compensation module is used for realizing cloud height observation correction and compensation based on the attitude parameters of the ceilometer; and the communication module is used for uploading the data that can be used by users. According to the invention, buoy-based laser radar cloud height observation is carried out and the measurement result is accurate and reliable; off-shore, long-term continuous, real-time, high-precision, high-temporal-spatial-resolution marine environment monitoring on the cloud height, cloud thickness, and conventional marine meteorology and hydrology can be realized; an accurate and reliable data support can be provided for scientific researches of marine atmosphere, weather forecasting, ocean shipping, and naval drills and the like; and thus the apparatus has important significance in development of multiple fields like the marine economy, the marine science and technology, and the legal rights safeguarding on the sea.

The invention discloses an adjacent space slow platform synthetic aperture radar big scene imaging method. The method particularly comprises the following steps: according to the principle that time domain convolution of two signals is equivalent to frequency domain multiplication, convoluting the boost echo and the dechirp reference signal in the orientation time domain, and converting the result to obtain the Doppler domain, multiply a compensating factor in the Doppler domain to accomplish the Doppler aliasing step, overcome Doppler aliasing problem, and obtain the echo signal with non-aliased frequency domain; conducting reference phase function multiply in the two-dimensional frequency domain to accomplish consistent compression, and accurately accomplish residual distance ACTS nmo correction, secondary range compression and residual azimuth compression through Stolt interpolation, so as to accomplish focusing; obtaining the distance and orientation two-dimensional time domain focused image through orientation time domain aliasing step; obtaining the boost image, splicing to form a continuous wide surveying and mapping band image output. The method provided by the invention has the advantages of being high in surveying and mapping band width and imaging algorithm accuracy.

The invention provides a piezoelectric rainfall measurement device. The piezoelectric rainfall measurement device comprises a hollow supporting body, a sound detection sensitive film, a raindrop contact film and a measurement unit, wherein a supporting cavity is formed in the hollow supporting body, the upper end and the lower end of the supporting cavity are open, the sound detection sensitive film comprises, at least, a piezoelectric material film covering an opening formed in upper end of the supporting cavity, the raindrop contact film is made from a material capable of conducting sound and fixed above the sound detection sensitive film, a sound cavity is formed between the raindrop contact film and the sound detection sensitive film, and the measurement unit is electrically connected to an upper electrode and a lower electrode of the sound detection sensitive film through two lead wires. The piezoelectric rainfall measurement device recognizes the momentum of raindrop pulses by recognizing the amplitude of sound wave pulses, can obtain rainfall, rainfall intensity and other parameters on the basis that the raindrop quantity and raindrop size are recognized and is a novel rainfall sensor.

The invention relates to an electronic observation method for building settlement deformation. The method is characterized in that a datum point device is provided and is connected with one or a plurality of observation point devices through communicating pipes; a liquid with standard liquid level is stored in the datum point device and the observation point device and is used for providing constant water level in the observation point device; a vertical rod which floats on the surface of the liquid is also provided and is arranged in the observation point device to serve as a fixed grating of displacement electronic measurement; the vertical rod is sleeved in a displacement electronic measurement module; the displacement electronic measurement module is fixedly connected with the inner wall of the observation point device to serve as a moveable grating of displacement electronic measurement. The method has the advantages of high measuring precision, high stability, low cost, capability of realizing permanent real-time observation through once mounting and the like.

The invention discloses an effective cooling power distribution cabinet with a double-layer door structure and belongs to the technical field of power distribution cabinets. The effective cooling power distribution cabinet with the double-layer door structure comprises a rectangular cabinet body, a cabinet door rotationally connected with the cabinet body, and a pedestal connected with the bottom of the cabinet body; the cabinet door comprises two layers, one layer is a metal plate layer, and the other layer is an organic glass layer rotationally connected with the metal plate layer; two rectangular through holes for holding forklift truck feet are opened in the pedestal along the long edge of the cabinet body, and the long edge of each rectangular through hole is accordant with the long edge of the cabinet body in direction; the pedestal is composed of four metal upright plates in an end-to-end connecting mode, and the space surrounded by the four metal upright plates is the cavity of the pedestal; a vent hole communicated with the cavity of the pedestal is opened in the bottom plate of the cabinet body; a netty cooling hole is opened in the side wall of the upper part of the cabinet body, and a fan is arranged at the netty cooling hole in the cabinet body. The effective cooling power distribution cabinet with the double-layer door structure is convenient to transport, the continuous air flow realizes continuous ventilation and cooling, the ventilation and cooling effect is good, the organic glass layer of the cabinet door facilitates observation and also plays a role of protection, and the cabinet door is difficult to damage and durable.

The invention discloses a transparency calculation method and system for water bodies in coastal and inland waters, and relates to the technical field of water color remote sensing. The method comprises the following steps: collecting spectral data of water bodies of coastal and inland waters; performing clustering analysis on the spectral data, and dividing the water body into different water body types according to an analysis result; selecting corresponding preset transparency inversion models according to different water body types; and calculating the spectral data by adopting the preset transparency inversion models to obtain the transparency of the water body. According to the scheme, water transparency calculation can be suitable for water bodies of coastal and inland waters with complex optical properties, and the scheme has the advantages of large-range waters, real-time data synchronization, continuous observation and the like.

The present invention relates to an apparatus that uses shadow images of cells to continuously measure cell activity at a high processing rate in order to provide cell activity and cell number results. According to one embodiment of the present invention, instead of a highly experienced examiner or technician using a microscope, ELISA reader, etc. having to collect various cell activity measurements and cell numbers, the collection of said information can be automated so as to reduce cost and largely reduce errors in measurements through the development of computer software coupled with hardware using low cost and compact optoelectronic components and simple image processing techniques.

The invention relates to an electronic microscope support, in particular to a six-freedom-degree electronic microscope support. The six-freedom-degree electronic microscope support is characterized by being provided with an observation table for a whole electronic microscope support plane to be installed, the lower plane of the observation table is arranged on an operating table, columns are fixedly installed on the upper plane of the observation table, a first guide rod capable of vertically moving along the columns is arranged between the columns, a connecting block capable of moving along the axis of the first guide rod is arranged on the first guide rod, a second guide rod is installed on the connecting block and can move on the connecting block along the axis of the second guide rod, a microscope clamp is installed at one end of the second guide rod, and a microscope is arranged on the microscope clamp. The six-freedom-degree electronic microscope support is scientific and reasonable in structure and enables the microscope to be capable of producing a clear image at the required height through mutual matching of the columns, the guide rods and an adjusting mechanism. In addition, the electronic microscope can perform translation on a horizontal plane along two coordinate axes to ensure that the distance between an objective lens and an observed object is invariant, achieve the effect of continuously observing a high-definition image on the surface of the object and facilitate photographing and video recording. Furthermore, the six-freedom-degree electronic microscope support is good in stability and convenient to operate.

The invention discloses methods for preparing and detecting a chyle particle migration model in a mucus layer, and relates to the technical field of preparation and detection of particle migration models, and the preparation method comprises the following steps: S1, obtaining animal intestinal mucus; S2, preparing artificial chyle, and storing the artificial chyle under a certain condition; s3, adding the intestinal mucus into a sample bottle, and then adding the artificial chyle. According to the preparation and detection methods of the chyle particle migration model in the mucus layer, the problems of long conventional animal experiment period, high operation difficulty, ethical morality and the like are solved.

The invention relates to a device which can continuously measure ultraviolet radiation intensity in the outdoor environment. The device comprises an ultraviolet transmitting apparatus, a radiant quantity measuring device, a data monitoring-recording device and a distributor case, wherein the transmitting apparatus comprises at least one ultraviolet transmitting unit which comprises an ultraviolet light and a light bracket, and the ultraviolet light is horizontally hung on the bracket; the ultraviolet light in each ultraviolet transmitting unit is electrically connected with the distributor case, and a timer controlling the on-off time of the ultraviolet light and a light tube ballast are arranged in the distributor case; the radiant quantity measuring device comprises at least one ultraviolet radiation detector and a data collecting device, the ultraviolet radiation detector is arranged below the ultraviolet light to be level with a plant canopy and is connected with the data collecting device through a data wire; and radiant strength signals collected by the data collecting device are together transferred to the data monitoring-recording device through a data wire. The invention relatively conveniently builds an adjustable ultraviolet radiation strengthening environment, and can continuously automatically observe and record the ultraviolet radiation strength.