78results about How to "Acquisition period is short" patented technology

The invention discloses a radar remote sensing-based detection method of soil alkalization, comprising the following steps: computing the polarization parameter based on full polarimetric SAR data, dividing bare areas and vegetation-covered areas and generating images with masks; delimiting test areas and adopting measuring data to establish a dielectric model of moist salt soil; adopting the full polarimetric SAR data to invert a complex permittivity map and carrying out RD geocoding, data information separation and conversion; based on the dielectric model and the complex permittivity, adopting the genetic algorithm for inversion to obtain moisture contents and salt contents of areas, and integrating geographic coordinate information and a vegetation cover mask map to generate a moisture content map and a salt content map; adopting the complex permittivity and the moisture contents of areas to differentiate saline soil from alkali soil. By adopting the technical proposal of the invention, the moisture content and the salt content of the soil in saline areas can be obtained, the degree of dependence on ground assistant data is reduced and simultaneously the dielectric behavior of the moist salt soil can be better depicted.

The utility model discloses a logging system of gas well oil testing, adopting a C/S system architecture (client side and server side are separately designed). The system architecture comprises a client side and a server side. The client side comprises a data acquisition subsystem and a data processing subsystem; the server side comprises a database subsystem. The system implements the separation of the data and the processing. The system has the advantages of high degree of automation by the module integration replacing hand data acquisition, accurate and credible results of data processing, short cycle of data acquisition, multiple acquisition parameters and high efficiency of simulation monitor which reflects the reality of the system.

The embodiment of the application discloses a geographic information data acquisition method and device. The method comprises the steps that: mobile acquisition equipment records driving data in realtime, and extracts the corresponding driving data and sends the corresponding driving data to a server when a user acquisition instruction is received and/or a preset automatic acquisition condition is met, so that the server carries out updating on current map data according to the received driving data; and correspondingly, the server receives the driving data sent by the mobile acquisition equipment, and carries out updating on the current map data according to the driving data after determining that the driving data is qualified data. Therefore, a coverage range of geographic information data acquisition can be improved, and acquisition efficiency can be improved.

The invention relates to the field of geotechnical engineering detection and test, and particularly relates to a method for detecting an underground pipeline with small aperture and great burial depth. The method is characterized in that a strong magnet is placed in an underground pipeline to be detected, an active magnetic source is sent to an area to be detected by adopting a guide rod, then a hole is drilled by the side of the underground pipeline in the area to be detected, a magnetic sensor is placed in the drilled hole so as to measure a magnetic field of the active magnetic source, and accurate location information of the underground pipeline is judged according to acquired magnetic field data. The method has the advantages that the acquisition period is short, the input cost is low, the detection process is high in interference resistance, and the detection result is accurate.

The invention provides an experimental system for treating thermal desorption tail gas of organic polluted soil through low temperature plasma. The experimental system comprises a gas carrying device, a thermal desorption tail gas generating device, a heat insulation device, a low temperature plasma treatment device and a tail gas absorbing device, wherein the gas carrying device comprises a first gas carrying route for providing general gas and a second gas carrying route for providing mixed gas, and the mixed gas refers to a mixture of the general gas and steam; the thermal desorption tail gas generating device is used for producing polluted gas; the heat insulation device is used for preventing pollutants in the thermal desorption tail gas from coagulating in pipelines; the low temperature plasma treatment device is used for performing degradation treatment on the pollutants in the thermal desorption tail gas; and the tail gas absorbing device is used for absorbing residual pollutants in the thermal desorption tail gas after degradation treatment. The experimental system disclosed by the invention is simple in structure, convenient and swift to mount and debug, short in technological parameter obtaining period, and low in energy consumption cost.

The invention discloses a virtual cloud platform-based data acquisition method and device. The method comprises the following steps of: loading a plurality of acquisition tasks, wherein each acquisition task has an acquisition object; executing each acquisition task when the acquisition task achieves an execution moment, and generating a plurality of acquirers corresponding to the acquisition task, concurrently executing the plurality of acquirers and acquiring corresponding resource data in a virtual cloud platform; and generating a resource topological structure in the virtual cloud platform according to the acquired resource data, and displaying the resource topological structure. According to the method and device, the data acquisition efficiency can be improved, the data acquisition period can be shortened and the effective and non-delay monitoring for the resources in the virtual cloud platform can be realized through a manner of sharing the acquisition objects by a plurality of acquisition tasks and generating a plurality of acquirers corresponding to the acquisition object by each acquisition task to carry out concurrent acquisition; and compared with a list display form in the prior art, the manner of displaying the acquired resource structure in the virtual cloud platform in a topological form is more intuitional and visual, and is capable of embodying the logic relationship between the resources.

The invention provides a public utility meter based data acquisition system and method. The data acquisition system includes a public utility meter, an intelligent electric energy meter, a concentrator and an acquisition master station. The public utility meter automatically wakes up according to a set cycle, and is in connection with the intelligent electric energy meter in a short distance wireless communication way. The intelligent electric energy meter and the concentrator, and the concentrator and the acquisition master station are both in bidirectional connection. Directed at the characteristics of the public utility meter data acquisition system communication link, short distance wireless communication and broadband carrier/micropower wireless communication technologies are adopted sectionally so as to avoid communication interference and communication barrier, and short distance transmission ensures the stability of a short distance wireless communication network. At the same time, the system and the method provided by the invention can fully meet the data copying and reading of a public utility meter, comprehensively consider the field installation environment of various meters, and have the characteristics of high data information transmission rate, short acquisition cycle, strong reliability, small engineering implementation difficulty, and good practicability.

The invention provides a map interest point processing method and device, and the method comprises the steps: obtaining image data collected by a first user; preprocessing the image data to obtain a to-be-processed frame image from the image data; detecting whether each to-be-processed frame image contains an interest point or not; If the first frame of image contains the first interest point data, obtaining each effective interest point according to the collection position of the first frame of image; Verifying whether the first interest point is matched with any effective interest point or not; and if the first interest point is not matched with any effective interest point, determining that the collection position of the first frame image contains a to-be-updated interest point. According to the method, the processing efficiency can be improved, the acquisition period of the interest point data is shortened, and the acquisition cost is saved.

The embodiment of the invention provides a road collection task generation method and device, electronic equipment and a readable storage medium. The method comprises the steps that an initial road set and road related information of all initial roads contained in the initial road set are acquired, and the road related information comprises road attribute information and user driving behavior information on the roads; based on the road related information of each initial road, performing road merging processing on each initial road to obtain each target road; and generating a road collection task of each target road. In the embodiment of the invention, the user driving behavior on the road is considered when the road is merged, so that compared with the prior art that only the spatial relationship and the attribute relationship of the road are considered when the road is merged, the recovery rate and the efficiency of a road collection task can be effectively improved, and the collection period is shortened.

The invention provides a numerical inversion analysis method based on a structural stress monitoring result, and the method comprises the following steps: S1, selecting a plurality of stress monitoring points, applying a local load nearby the stress monitoring points, and carrying out the measurement and calculation to obtain the actually measured structural stress change values at the stress monitoring points; S2, selecting a structure object and establishing a finite element grid; S3, selecting an initial boundary load; S4, calculating the stress of each stress monitoring point under the initial boundary load; S5, performing parameter regression on the stress and structure stress change relational expression to obtain a preliminary numerical model of the boundary load of the structure object; and S6, checking and calibrating the preliminary numerical model to obtain a final numerical model. According to the method, the advantages of a numerical calculation method and an on-site actual measurement method are effectively exerted, and the initial stress of a measurement point is obtained, and guidance is provided for long-term monitoring of the structural stress of an ocean platform.

The invention discloses a gas content desorption testing device. The device comprises a first solenoid valve connected with a desorption gas source, a gas and water separation device connected with the first solenoid valve, a second solenoid valve connected with the gas and water separation device, and a gas container connected with the second solenoid valve. The outlet of the gas container is equipped with a third solenoid valve. The gas container is equipped with a pressure measurement device. The pressure measurement device is connected with a data processing system. The first solenoid valve and the second solenoid valve are used for controlling gas inlet, and the third solenoid valve is used for controlling gas discharging. The method and the device can measure a gas volume directly and automatically, and can fit rock samples with different desorption amounts, and the acquisition period is short. The device is advantaged by small power consumption, simple operation and moderate volume, and is suitable for field on-site usage.

The invention discloses a rod position processing device for control rods in a reactor, which is used in a pressurized water reactor nuclear power plant. The rod position processing device comprises remote interfaces, controllers and a power module, wherein the remote interfaces are connected with a rod position detection device; the rod position detection device is used for detecting the rod positions of all the control rods in the reactor to output corresponding grey code signals; the remote interfaces simultaneously acquire the grey code signals of all the control rods in a reactor core; the controllers are connected with the remote interfaces and perform measured rod position calculation, rod position out-of-step monitoring and system status monitoring according to the grey code signals; the power module supplies power to the remote interfaces and the controllers. Compared with the prior art, the rod position processing device has the benefit that the remote interfaces can simultaneously acquire the grey code signals of all the control rods in the reactor core, so that the acquisition cycle of rod position information is greatly reduced, and the product performance is improved.

The invention discloses an automatic closed-loop debugging device and method for a distribution network automation terminal, and belongs to the technical field of electric power. The device comprises an automatic closed-loop debugging device, a distribution network automation terminal, a 4G/5G/wired encryption communication module, a distribution network automation master station system, and an external device. One end of the automatic closed-loop debugging device is connected with the distribution network automation terminal, the other end of the automatic closed-loop debugging device is connected with the 4G/5G/wired encryption communication module, and the other end of the 4G/5G/wired encryption communication module is connected with the distribution network automation master station system. According to the automatic closed-loop debugging method and device, provided in the invention, for the distribution network automatic terminal, intervention of dispatching personnel is not needed, autonomous and automatic debugging of the distribution network terminal is achieved, the field debugging working method and content are simplified, the workload of the dispatching personnel is greatly relieved, and the debugging efficiency and the debugging quality are improved.

The invention provides a prepayment management system and an edge computing communication terminal. An edge computing communication terminal is arranged between an electric meter and a cloud background server; the edge computing communication terminal establishes a virtual ammeter data computing storage module with a unique number for each accessed ammeter; a cloud background server is replaced tocarry out degree reading and electric charge calculation on the electric meter; a common electric meter without a prepayment function can achieve the prepayment function, electric charge and prepayment balance calculation can be completed more quickly, electricity control can be conducted more quickly and timely, and it is guaranteed that important data and commands such as electricity price information, recharging data and an electricity control instruction are encrypted through an algorithm and are safely communicated through a wide area network. The problem of resource limitation caused bythe fact that a traditional background prepayment system needs server and network communication expansion due to increase of the number of ammeters is solved, and the ammeter access amount is increased. The prepayment function of an ammeter user is not influenced by cloud background server faults and communication network faults, the system reliability is high, and the data communication is safe.

The invention discloses a livestock feeding sound signal acquisition device and an acquisition method using the same. The device comprises a substrate, wind shielding and sound insulation cotton, a silica gel sleeve, a microphone, rebound foam and an interference noise elimination module. The substrate is attached to the surface of a livestock shearing forehead, and the wind shielding and sound insulation cotton is in a sucker shape, wraps the substrate and is fixed to the forehead. The silica gel sleeve comprises an inner layer, a sound insulation layer and an outer layer, the outer layer isattached and fixed to the wind-shielding sound-insulation cotton, and the sound-insulation layer is located between the outer layer and the inner layer. The inner layer, the substrate and a shearing surface form a closed space, and the microphone is arranged in the closed space and collects the sound signals of livestock. The rebound foam covers the microphone and extends to the inner layer afterexpansion, and the goat sound interference noise elimination module is used for eliminating interference noise. The device has the effects of weakening environmental noise and eliminating interferencenoise, minimizes the interference of environmental wind noise, the interference noise of sheep and other noise, and is easy to disassemble and replace, is small and exquisite, and is convenient to install.

The invention discloses a data collection method and system. The method comprises the following steps: acquiring behavior data of target software, calling a J2SE service, writing the behavior data into a Kafka system according to a preset configuration table comprising a corresponding relationship among a data type of the behavior data, a Topic class and a data storage path, extracting the behavior data from the Kafka system through streaming calculation, and storing the behavior data. According to the invention, behavior data of a new data type is collected; correspondingly modifying the datatype of the behavior data in the configuration preset configuration table into the data type to which the behavior data of the target software belongs, the behavior data of the target software can becollected without developing a data interface and modifying a program code, so that the data collection period is greatly shortened. The behavior data of the target software can be collected according to the data type of the target software and the corresponding relationship between the Topic class and the data storage path.

The invention relates to an optimized critical accident alarm method and system. The method comprises the following steps: acquiring detector data according to a preset acquisition period; accumulating the acquired data of each acquisition period to obtain an accumulated value; when the accumulated value reaches a preset value, calculating and storing an accumulated dose rate according to the accumulated value and the current accumulated time; when the preset maximum time is reached but the accumulated value does not reach the preset value, calculating and storing an accumulated dose rate according to the accumulated value and the maximum time; and comparing the accumulated dose rate with an alarm threshold, and determining whether to give an alarm or not according to a comparison result.The system comprises a data acquisition module, a data accumulation module, a first data calculation module, a second data calculation module and an alarm module. The beneficial effects of the invention are that the method carries out the data collection in a period far less than a conventional data collection period, can timely find a critical accident state and give an alarm, shortens the alarmtime under a critical accident, and enables the provided data to be more detailed and precise because of the short collection period.

The invention provides a signal collection method and a signal collection circuit of an image sensor. The image sensor comprises a plurality of pixels arranged in an array, each pixel comprises photodiode, and the signal collection method comprises the following steps: performing signal collection on the plurality of pixels row by row within each signal collection period, wherein the signal collection period comprises at least one reset frame and at least one clearing frame, and applying a forward bias voltage to the photodiode of each collected pixel in each reset frame; and applying a reverse bias voltage to the photodiode of each collected pixel in each clearing frame. By adoption of the scheme provided by the invention, while the signal collection period is shortened, a better clearing effect is ensured, and the influence of ambient light on imaging is eliminated.

The embodiment of the invention discloses a multi-frequency multi-dimensional nuclear magnetic logging method and device. The method comprises the steps of employing a plurality of different frequencies for working when an underground nuclear magnetic logging instrument works, wherein the plurality of different frequencies are different frequencies of which the frequency number is greater than two; respectively acquiring echoes corresponding to a plurality of different frequencies in a plurality of different acquisition time periods; collecting echoes corresponding to one frequency in one collection time period; when the echoes corresponding to any one frequency are collected, enabling the frequencies except the current echo collection frequency in the multiple different frequencies to bein a polarization waiting state; and calculating a predetermined spectrogram according to the acquired echoes of the plurality of frequencies, wherein the predetermined spectrogram comprises one or more of the following spectrograms: a D-T2 spectrogram, a T1-T2 spectrogram and a T1/T2-T2 spectrogram. Through the scheme of the embodiment, the acquisition period is shortened, sufficient polarizationis ensured, and the inversion effects of T1-T2, T1/T2-T2 and D-T2 are improved.