412results about How to "Avoid submersion" patented technology

The invention discloses a three-dimensional photographing process based on a laser probe array and a device utilizing the same, and belongs to the field of three-dimensional photographing and measuring. Thousands of laser probes are projected to preset space positions according to the digital optical phase conjugation principle, reflection of the laser probes on surfaces of articles is monitored by a general two-dimensional camera, and then three-dimensional coordinate measurement is realized. Meanwhile, since the laser probe array is combined with a pair of three-dimensional cameras, more three-dimensional coordinates can be acquired by means of three-dimensional reconstruction, and accurate and compact three-dimensional coordinate measurement for large sites can be realized. Accordingly, three-dimensional matching treatment accuracy of three-dimensional images in the three-dimensional reconstruction process can be improved, matching treatment time is shortened, images picked up by the three-dimensional cameras can be compensated at the post stage, error in focal length and installation of the two cameras is eliminated, and requirements for the previous stage installation and synchronization of the focal length in the actual photographing process of the three-dimensional cameras are lowered. The three-dimensional photographing process based on the laser probe array and the device utilizing the same are applicable to fields of three-dimensional films, robots, intelligent driving, quick detection for obstacles, automatic measurement for industrial parts, and the like.

In a method and system for automatically notifying a user when financial transactions (e.g., debit card transactions and credit card transactions) are carried out in association with the user's credit card or other financial account, each time a financial transaction is completed, a notification message is generated and transmitted to a user-designated terminal. Examples include transmitting e-mails, other text messages, or audio messages to the user's home computer terminal or mobile phone or other wireless unit. The notification message contains information identifying the user account and specifying the nature of the transaction, such as monetary amount, time of day and date, and where the transaction occurred. The notification is generated and transmitted substantially immediately after the transaction is completed. This way, a user is informed of each transaction separately and substantially contemporaneously with when the transaction is carried out, allowing users to intuitively assess the transaction from a time sense.

Floating wetland structures of the invention are generally formed from one or more floatation panels made of a plurality of polymeric foam particles arranged in a piled laminate structure. The foam particles are arranged within the piled laminate structure so as to define void pathways between at least a portion of said foam particles. The void pathways within the piled laminate structure are of sufficient size and quantity to allow rainwater to flow through and of such an orientation to allow for the roots of vegetation to easily penetrate the structure.

The invention discloses a network manage system, and an alarm counting filter method between network unit manage systems, wherein the invention arranges a sliding time window sliding front and back on a time axis, when receives a new repeat alarm and judges each time, counting the total number of repeated alarms in present sliding window, as the present value of the repeat alarm counter, the value of the repeat alarm counter is increased or decreased along with the sliding of the sliding time window, without timed clear condition and lost alarm, to effectively filter repeated alarm, reduce interface load between NMS and EMS, avoid useful alarm immerged by lost of repeated alarms, and support quick position and resolution on the accident.

The invention discloses a bearing fault identification method based on LMD (Local Mean Decomposition) and wavelet de-noising. First, a fault vibration signal of a rolling bearing is decomposed through LMD to get a plurality of natural vibration composition PF components, and suitable PF components are selected according to the principle of maximum kurtosis and a cross correlation coefficient. Then, the selected PF components are de-noised through wavelet de-noising, and high frequency bands are superposed and reconstructed. Finally, experimental results on an MFS (Machine Fault Simulator) show that the method has obvious advantages compared with the traditional bearing fault diagnosis method.

The invention discloses an outdoor waterproof power distribution cabinet for power distribution system. , the interior of the interlayer is filled with heat-conducting oil, and there are two heating rods up and down the interior of the interlayer. The two heating rods are connected to two power boxes respectively through wires. The left and right sides of the cabinet are provided with vertically arranged anti-collision plates. , The present invention is an outdoor waterproof power distribution cabinet for power distribution system. The heating device on the cabinet door can effectively remove ice, avoid the impact of snow and icing on the opening of the cabinet door, and can effectively prevent dust and heat dissipation. The cleaning of the internal environment of the cabinet and the normal operation of electrical components have strong anti-collision ability. By driving the base to rise, the cabinet is kept away from the ground, which can prevent rainwater from entering the cabinet and the ground rainwater from entering the cabinet and the ground in rainy weather or submerging the bottom of the cabinet, which is convenient for detection. And maintenance, avoid climbing phenomenon, further improve safety.

The invention relates to an intelligent and automatic water storage and self-irrigation type flowerpot. An existing flowerpot structure is improved, a brand-new structure is designed on the basis of the design concept of water recycling, water which is not absorbed by the soil can be effectively collected, and the condition that the soil is flooded by excessive water can be effectively prevented; meanwhile, in combination of designed electrical control structures for detection, the soil humidity condition is detected through a designed humidity sensor, the collected water resources are used for irrigating the soil again in an intelligent control manner on the basis of the result, the water resources are recycled, plants can be automatically watered, operation of a planter is omitted, and waste of the water resources can be effectively avoided.

A monitoring attention device for road comprehensive information comprises main equipment, a telescopic support and a base; the telescopic support is arranged between the main equipment and the base; the telescopic support is used for supporting the main equipment; the main equipment comprises a sensing module, a communication module and an automatic lifting control module. According to the monitoring attention device for the road comprehensive information, the sensing module is used for sensing the fording depth and / or accumulated snow thickness of a road, fording depth information and / or the accumulated snow thickness information are / is sent to a server at a traffic command center by the communication module, the traffic command center performs traffic guide and control according to the information obtained by the device and avoids that the safety loopholes of road security are increased due to the rainy and snowy weathers. The telescopic support is controlled by the automatic lifting control module to lift, so the position of the main equipment is higher than the fording depth and / or the accumulated snow thickness, and the main equipment is prevented from being immersed by snow and rain and is normally used; in addition a road width display effect and an attention effect are achieved. Meanwhile the invention provides a monitoring attention system for the road comprehensive information.

Location-based services are provided in a communication system comprising at least a portion of at least one wireless network. In one aspect of the invention, profile information is obtained for users associated with respective mobile user devices, and location information is obtained for the mobile user devices. At least one message is controllably delivered to a given one of the mobile user devices based on the location information and the profile information. The location information is obtained for respective ones of the mobile user devices responsive to location determinations initiated by those devices.

The invention relates to a method for separating and identifying kinematical parameters of a mechanical arm. On the basis of a laser tracking instrument position measurement principle and a mechanical arm differential kinematics principle, a D-H (Denavit-Hartenberg) parameter identifying method of the mechanical arm without counting joint position errors is provided by separating a posture matrix from a position vector in a homogeneous transformation matrix of an end effector. The method for separating and identifying the kinematical parameters of the mechanical arm comprises the following steps of: firstly identifying a posture parameter by measuring the posture matrix of the end effector in a basic system; secondly, identifying the separated position parameters by utilizing the identified posture parameter and the practically-measured end position; and finally realizing the identification of the kinematical parameters of the mechanical arm.

The invention discloses a method for collecting underwater bubbles and a method for monitoring underwater bubble flux under hydrodynamic conditions. A counterweight pendant is connected with the open part of an inverted funnel of a collection device through a rope; a tubular connector is arranged at the top of the inverted funnel, and is connected with a gas inlet pipe of a gas collecting bottle through a gas hose; and a buoy is connected with the outer surface of the inverted funnel through a rope, ant the gas collecting bottle is fixed together with the buoy. The monitoring method comprises the steps of placing a bubble collecting device in a water body, floating the buoy on the water surface and tying on a water surface anchor rope, and fixing one end of the water surface anchor rope on the bank side and the other end of the water surface anchor rope on a channel buoy or a far bank; and collecting gas, and considering an inclination angle theta of the inverted funnel when the bubble release flux is calculated. The methods disclosed by the invention are convenient for operation, have low sampling errors, and are suitable for collecting underwater bubbles and monitoring underwater bubble flux under complex hydrodynamic conditions of natural water bodies (high water level fluctuation or distinct flow rate in water).

The present invention relates to floating ecological bank protecting method and medium carrier, and belongs to the field of environment protecting technology. The method includes producing floating medium carrier unit, planting on the medium carrier unit, assembling the medium carrier unit to the protected slope, hanging the uppermost medium carrier unit to the slope and other steps. The floating ecological bank protecting medium carrier is medium carrier unit including floating body and netted box, and inside the netted box, there water retaining material and plant growth medium material form porous structure for communicating with the lower part. The present invention solves the difficult problem of ecologically repairing slope simply and smartly, and can ensure the normal growth of the vegetation in the slope in different water levels to purify water and beautify.

The invention discloses an offshore wind power single-pile foundation scouring protection device. The offshore wind power single-pile foundation scouring protection device is characterized in that a turbulent flow bottom plate and lateral turbulent flow plates are fixed on a single-pile foundation; one end of the single-pile foundation is fixed in a seabed, the single-pile foundation is firmly connected with the seabed and is not easily scoured away by ocean current, and the turbulent flow bottom plate is fixed on the outer side of the single-pile foundation to form a seabed protection layer structure; multiple annular turbulent flow plates are fixed to the upper end of the turbulent flow bottom plate, and the annular turbulent flow plates can effectively reduce the water flow velocity at the seabed surface and reduce the seabed scouring effect; meanwhile, the pressure of seawater on the turbulent flow bottom plate can be utilized, and the scouring phenomenon between the single-pile foundation and the seabed is effectively prevented; the lower end of the turbulent flow bottom plate makes contact with the surface of the seabed; meanwhile, the bottom of the turbulent flow bottom plate can fix the bottom of the seabed; the plurality of lateral turbulent flow plates are evenly arrayed in the circumferential direction of the single-pile foundation, the purpose of weakening vortex formation around a pile body through the lateral turbulent flow plates is achieved, and then the seabed scouring effect is weakened; and the structure is simple, the flow speed of seawater around the pile is effectively reduced, and generation of large vortexes around the pile is reduced.

The invention provides a knowledge recommending method and system based on micro blogs. The knowledge recommending method comprises the following steps of establishing a model by a user, collecting micro blogs posted by friends followed by the user at regular time in batches, discovering knowledge items, expanding the knowledge items, and recommending knowledge. The knowledge recommending method and system based on the micro blogs have the advantages that various knowledge items are automatically discovered from the micro blog data posted by the friends followed by the user, expanding explanations of the knowledge items are formed, when the user reads the micro blogs, the knowledge items which are valuable for the user or interest the user and relative expanding explanations are recommended to the user from the discovered knowledge items, the active and customized knowledge service is provided, knowledge search process by the user is avoided, and valuable knowledge is prevented from being neglected.

The invention discloses a fault detection method and device for a big data cluster, and relates to the technical field of computers. A specific embodiment of the method comprises the steps of collecting index data and log data of a big data cluster; determining abnormal information and a corresponding processing scheme according to the index data and the log data; performing machine learning on the abnormal information and the corresponding processing scheme, and storing a learning result into an operation and maintenance library; and performing fault detection on the big data cluster based ona learning result in the operation and maintenance library. According to the embodiment, the technical problems of difficult fault source detection and high operation and maintenance cost can be solved.

A method of, and receiver for, cancelling an unwanted first signal having a bandwidth at least a part of which overlies the bandwidth of a wanted second signal, the bandwidth of one of the first and second signals being greater than that of the other. The method comprises receiving the first and second signals(10, 12) and respectively frequency down converting(18,22,26 and 20,24,28) the first and second signals to provide first and second low frequency signals. The first and second low frequency signals are digitised using synchronised ADCs(30,32) to provide respective first and second digitised signals, the wider bandwidth signal being digitised at a higher sampling rate and the lower bandwidth signal being digitised at a lower sampling rate. The sampling rate of one of the first and second digitised signals is adjusted(44) to be the same as the other of the first and second digitised signals. Thereafter the frequency of the unwanted signal is shifted(46) to be in the same relative position with respect to the wanted signal as it appeared in the received signal. An output signal is derived by obtaining the difference(40) between the wanted and unwanted signals. In a refinement of the basic method the unwanted signal from the respective ADC is cleaned-up by demodulating it(52) and modulating it(54) which gives the benefit that when subtracting one signal from the other, the section of the wanted signal under the interferer is left intact.

The invention discloses a multifunctional offshore platform. The multifunctional offshore platform comprises a command deck layer, a berth deck layer, a module deck layer and a radar deck layer. The berth deck layer comprises a power equipment region, a dwelling region, an office region, public life regions and an open green area; the module deck layer comprises a middle connecting region and six floating structure bodies; three first truss framed legs are fixedly arranged in the bottom of the command deck layer; the first truss framed legs are arranged through the power equipment region and the middle connecting region simultaneously; second truss framed legs capable of being fixed on drowned reefs are arranged through the public life regions; a lifting channel is arranged between the middle connecting region and the command deck layer and an elevator is arranged in the lifting channel; and the lifting channel is arranged through the power augment simultaneously. The offshore platform disclosed by the invention has the advantages of low construction cost, short construction period, good reliability, large using area, volume production and high flexibility.

The present invention provides a method of sequestering carbon dioxide and water in a desert environment. In a first step heat that would otherwise cause thermal expansion of the ocean and resultant sea level rise is extracted to produce energy. A portion of the energy is used to desalinate seawater. The desalinate water is pumped into a desert environment and vegetation is planted in the irrigated desert portion. The vegetation sequesters carbon dioxide. The seawater extracted for desalination further reduces sea level rise. Irrigation water moderates the day and nighttime temperature fluctuations of hot deserts. Lowering the daytime temperature increases the deserts potential to sequester water. The commercial and arable potential of the desert is augmented by the enrichment of its soil by composted vegetation, its irrigation and the moderation of its diurnal temperature fluctuations.

The invention discloses a short message display method. A mobile terminal sets contact priorities according to user setting operations and sorts and displays received short messages according to a descending sequence of the contact priorities. The invention further discloses the terminal for implementing the short message display method. By means of the mobile terminal and the short message display method thereof, the short message management and display mode is enriched, the process of searching of important short messages in a large number of novel short messages is simplified for users, users can find the short messages to be concerned about directly and rapidly, and accordingly, the users experience is greatly improved; the prior user habit compatibility is achieved by the setting of the contact priorities.

The invention discloses an information publishing method and device in a social network. The message publishing method comprises: a server determines and stores attention tendency information of information published in a social network space in advance; a target user request correlated with the content of information to be published which is transmitted by a client terminal is received, wherein the target user request carries a publisher user identifier and characteristic information of the content of the information to be published; a contact list of a publisher user and attention tendency information corresponding to users in the contact list are determined; from the users on the contact list, a target user is determined, wherein the attention tendency information of the target user is matched with the characteristic information; the information of the target user is returned to the client terminal in order to make the client terminal prompt the publisher user; a certain mode is preset in the information to be published in order to prompt the target user. The information publishing method and device in the social network enable the published information to be focused by a potential interested user in a more direct way.

The invention discloses a nuclear power plant voltage stabilizer for inhibiting liquid level sloshing. The voltage stabilizer comprises a voltage stabilizer main body, the upper portion of the voltage stabilizer main body serves as a gas storage space, the lower portion of the voltage stabilizer main body serves as a liquid storage space, a plurality of spacing boards for preventing liquid sloshing are arranged in the voltage stabilizer main body, and the spacing boards are arranged at intervals. The voltage stabilizer is suitable for being used in a marine environment, has a good sloshing inhibiting effect and effectively enhances the environmental adaptive capacity of a nuclear power plant.

The invention provides an accumulating water avoiding system of indoor and outdoor underground pit equipment and an accumulating water avoiding method of the indoor and outdoor underground pit equipment. According to the accumulating water avoiding system of the indoor and outdoor underground pit equipment, underground stereoscopic parking equipment is arranged in an underground pit; the underground stereoscopic parking equipment comprises at least one layer of car carrying base plate positioned under the ground; an accumulating water sensing assembly is arranged in the underground pit; the accumulating water sensing assembly comprises a plurality of water level sensing devices which are in sequential arrangement along the vertical height; the water level sensing devices are arranged in a way of corresponding to the car carrying base plates at each height of the underground stereoscopic parking equipment; and the accumulating water sensing assembly is connected to a control system of the underground stereoscopic parking equipment. The accumulating water avoiding system of the indoor and outdoor underground pit equipment has the advantages that the car carrying base plates can be lifted according to the detected accumulating water height in the underground pit; the active accumulating water avoidance is realized; the damage of accumulating water in the underground pit to parking cars can be effectively avoided; and the accumulating water avoiding system is applicable to various environments and conditions.

The invention discloses an online fault diagnosing method for Fast RVM (relevance vector machine) sewage treatment. The method includes the steps of firstly, removing samples with incomplete attributes in sewage data, normalizing the samples into a [0, 1] interval, and determining a historical data set and an updating test set; secondly, using a relevance vector machine method based on clustering to compress the majority data of the historical data set; thirdly, using a virtual minority upward sampling method to extend the minority data of the historical data set; fourth, building a 'one-to-one' fast relevance vector machine multi-classification training model; fifthly, adding new samples from the updating test set into the model for testing, and updating the historical data set; sixthly, returning to the second step, reprocessing unbalanced historical data, training the model, and repeating the above process until online data testing is finished. By the online fault diagnosing method, the unbalance of the sewage data is lowered effectively, classification accuracy is increased, online updating speed is increased, operation faults can be diagnosed in real time, and the safety operation of a sewage treatment plant is guaranteed.

The invention provides a network social media viewpoint tendency analysis system and method. The system comprises a database, a webpage capture module, a viewpoint collection module, a data filtering module and a polarity analysis module, wherein the database is used for storing a positive emotion cluster and a negative emotion cluster; the webpage capture module is used for capturing a comment interaction webpage of network social media through a webpage crawler; the viewpoint collection module is used for reading multiple pieces of viewpoint information of user comments in the comment interaction webpage; the data filtering module is used for screening the viewpoint information; and the polarity analysis module is used for analyzing emotional tendency of the viewpoint information. According to the system and the method, subjective information can be identified and extracted from massive original data in the comment interaction webpage of the network social media, and the attitude of a comment viewpoint of a commenter to a thing or an event is judged, so that a large amount of valuable viewpoint information is prevented from being flooded, the pressure caused by viewpoint information overload is relieved, and the emotional tendency of the viewpoint information can be quickly analyzed.

The utility model discloses a processing method for oscillating alarm of network element management system, which aims to solve the problem of prior art that the alarm on a northbound interface is overloaded when an alarm information generates oscillation. The processing method for oscillating alarm of network element management system comprises the following steps: (1) The network element management system judges whether the same alarm information is an oscillating alarm information or not, if the judgment result is yes, then step (2) is executed; if not, then the step ends; (2) the network element management system shields the alarm information till the alarm information stops oscillating. The utility model has advantages of decreasing load of the northbound interface between NMS and EMS, avoiding other useful alarm information to be submerged by a plurality of repeated alarms, convenience for operation managers to position and remove fault rapidly.

Potable and process water reservoir covers are provided that exhibit an advantageous balance of rainwater drainage and light transmittance properties. The reservoir covers generally include one or more floatation panels formed from bonded foam particles that are adhered to a fabric layer. The present invention provides a reliable, cost-effective means by which to decrease the algae growth generally associated with water reservoirs. The present invention further decreases reservoir contamination issues associated with dust, sand, debris and waterfowl.

The invention relates to a method and a system for detecting small and short obstacles and ramps based on RGB-D cameras and an attitude angle sensor. According to the system, an infrared projector is used for projecting invisible near-infrared static speckles; the two infrared cameras are used for collecting images; the attitude angle sensor is used for acquiring the attitude angle information of the cameras; the depth information and the attitude angle information in the images are processed, so that the azimuths, heights and distances of the ramps and the ground obstacles in the front three-dimensional scene are detected; finally, the detection results are converted into semantic sound and transmitted to a blind person through bone conduction headphones for realizing assistance.

The invention belongs to the technical field of mining shock-resisting supporting and particularly relates to a fault-passing roadway waterproof damping and shock-resisting coupling support method. The fault-passing roadway waterproof damping and shock-resisting coupling support method includes sequentially setting a surrounding rock plastic ring, a damping support ring and two layers of tiles from surrounding rocks of the fault to a roadway, forming the surrounding rock plastic ring by the surrounding rocks in an artificial blasting manner, and paving cement-based glass fibers on the inner surface of the surrounding rock plastic ring to form the damping support ring; paving two layers of the tiles on the inner surface of the damping support ring, wherein the tiles on the outer layer is outer waterproof tiles, and the tiles on the inner layer are inner tiles; enabling an anchorage rod to be perpendicular to the outlines of the tiles and sequentially penetrate the tiles, the damping support ring and the middle of the surrounding rock plastic ring to form a fixed coupling, and paving ballasts on the ground of the roadway and the upper surfaces of the tiles. By the method, support intensity is high, buffering and damping and shock resistance are high, and waterproof effect is good.

The invention discloses an in-field weighting type lysimeter for a paddy field. The in-field weighting type lysimeter comprises a lysimeter main body and a monitoring well, wherein the lysimeter main body is connected with the monitoring well through a gathering gallery; the lysimeter main body comprises an outer drum and an inner drum; a gap is arranged between an outer wall of the inner drum and an inner wall of the outer drum; a weighting sensor is arranged at the bottom of the outer drum; the inner drum is arranged on the weighting sensor; a to-be-detected soil layer is arranged in the inner drum; a water filtering layer is arranged at the bottom of the to-be-detected soil layer; a water gathering pipe is arranged at the bottom of the water filtering layer; a Markov bottle, a constant water-level water tank and a leakage metering device are arranged in the monitoring well from top to bottom; the Markov bottle is used for supplying water to the constant water-level water tank; the leakage metering device is connected with the constant water-level water tank through a leakage metering pipe; the top end of the leakage metering pipe is aligned with the constant water-level liquid level; the water gathering pipe passes through the gathering gallery and is communicated with the constant water-level water tank; a data collecting device is arranged in the monitoring well; the weighting sensor is in signal connection with the data collecting device. The lysimeter provided by the invention can be used for monitoring the leakage water and supplying water volume of the soil layer.

The invention belongs to the technical field of medical instruments, and in particular relates to a backscattering ultrasonic bone diagnosis system. The system consists of a multi-loop power supply module, a high-pressure pulse transmission circuit, a high-voltage isolation circuit, an analog front-end circuit, an analog-to-digital conversion circuit, an FPGA (Field Programmable Gate Array) chip, an ARM processor, an LCD (Liquid Crystal Display) and an ultrasonic probe. The ARM processor communicates with the FPGA chip through a high-speed bus, and other modules are controlled by the FPGA chip to work; after the ARM processor acquires a collected backscattering signal from the FPGA chip, a waveform is recovered by adopting a demodulator filter, then time and frequency analysis processing is performed on the entire waveform, a power spectrum migration parameter provided by the invention is calculated, and thus diagnosis is performed on bone conditions. The transmission circuit of the system has a strong driving capability, can output continuous pulse modulation waveforms, and greatly improves the signal-to-noise ratio of the backscattering signal. The backscattering ultrasonic bone diagnosis system only uses one ultrasonic probe to realize ultrasonic diagnosis of the bone, and has the characteristics of miniaturization and integration.