54results about How to "Solve expensive problems" patented technology

The invention discloses a processing method and a processing device of a timer. The processing method of the timer includes: dividing trigger time of timer events into a plurality of time periods, wherein each time period corresponds to a hash value; inserting timer events with the trigger time at an identical time period into an identical chain table; and mapping the timer events of various chain tables into a hash table, wherein each timer event correspondingly stores a hash value and identification of the chain table where the timer event is located into the hash table. The processing method and the processing device of the timer solve the problem that a timer in the prior art is relatively large in system overhead due to the processing mode, and achieve the technical effect that the system overhead of processing a timer event is reduced.

The invention discloses a local buoyancy ocean platform of offshore wind power, a bridge and an ocean building, and a construction method. The platform comprises at least one buoyancy cylinder, wherein the buoyancy cylinders are arranged vertically; the bottoms of the buoyancy cylinders are conical; and the buoyancy cylinders are hollow cylinders. Buoyancy of the buoyancy cylinders can be used for offsetting the weight of partial hydraulic buildings; small-bore bored piles or small-bore driven piles are arranged at the bottoms of the buoyancy cylinders, and fixed with seabed bed rock or a supporting layer, and support an external force together with a soil layer at the conical bottoms of the buoyancy cylinders; a tilting load borne by a whole foundation is converted into a vertical pressing and up-pull load of a single buoyancy cylinder foundation by a multi-buoyancy-cylinder space structure; the bearing capacity and the tilting resistance of the foundation are very high; multiple platforms can be connected into a multi-platform system; the platform can be cast in land, prefabricated, or assembled on a coast, and then hauled, towed and floated to a mounting position; and the platform is applied to ocean green energy sources such as the offshore wind power, the bridge and the ocean building with a soil layer of above 5m and water depth of about 5m to 50m, and has great potential economic benefits.

The invention discloses a channel state information (CSI) feedback method and device. The method includes: a set of UE receiving a signaling which is sent by a base station for instructing the UE to feed back the CSI in a preset feedback mode, wherein the CSI includes at least one of the following parts: a phase correct indicator (PCI) and a cooperation channel quality indicator (CQI) under a CoMP cooperation method which is instructed by a base station side through high-level signaling, wherein the cooperation CQI under the CoMP cooperation method which is instructed through the high-level signaling includes a CQI and/or an aggregated CQI which are/is determined on the basis of a predetermined interference value; and according to the signaling, the UE feeds back the CSI carried by a report type which includes the CSI of a sub-band, to the base station. Through the channel state information feedback method and device, reception performance of cooperation UEs is improved.

The invention relates to the wireless sensor network positioning field, and specifically relates to a wireless sensor network positioning method based on an RSSI (received signal strength indicator). The method comprises the following steps: a network is established; a host computer software sets a position coordinate of each reference device and a configuration parameter of each mobile device; the reference device sends a built-in RSSI value and an ID to other reference devices; when the reference device A serves as a difference correction reference node, a reference positioning coordinate and a positioning offset amount of the reference device A are calculated; the mobile device, according to received data, obtains a preliminary positioning coordinate and a difference correction coordinate of the mobile device; a correction mean value coordinate is obtained after repeated r rounds of above steps; and finally a weighted algorithm is used to calculate a positioning coordinate. The method of the invention solves the problems in the prior art of low positioning precision, low reliability and high cost, substantially reduces effects of the environment interference factor, and is suitable for the development trend of the indoor wireless positioning.

The invention provides a random access configuration information sending method, receiving method, sending device and receiving device, first kind nodes and second kind nodes; the method comprises following steps: the first kind nodes receive first kind reference signals sent by the second kind nodes, wherein the second nodes comprise nodes which send the first kind reference signals belonging to a same subset of the first kind reference signals in a defined time domain resource set, wherein the first kind reference signal set comprises one or more first kind reference signal subsets, each of the first kind reference signal subsets comprise one or more first kind reference signals; the first nodes send random access configuration information to the second kind nodes according to the received first kind reference signals. By means of the methods and devices, the problem of large system resource cost by adopting correlative technical schemes for users to access the system is solved, and therefore, the resource cost is reduced.

The embodiment of the invention provides an air side natural cooling method, device and system. On one hand, switch control is carried out on running modes of the air side natural cooling device according to detected outdoor environment parameters, and the running modes include the direct cooling mode and the indirect cooling mode. Accordingly, when the air side natural cooling device is in the direct cooling mode, introduced outdoor air is sent to a data machine room so as to cool a data cabinet in the data machine room. When the air side natural cooling device is in the indirect cooling mode, air exhausted out of the data machine room is cooled through the introduced outdoor air, and the cooled air is sent to the data machine room to cool the data cabinet in the data machine room. Thus, the problem that when a refrigerating unit is utilized for cooling a data cabinet in the prior art, more energy and water resources are wasted can be solved through the technical scheme.

The invention discloses a data storing method and device. The data storing method includes the steps that time identification of data to be counted is obtained; the data to be counted are stored in different partitions of a database according to the time identification, wherein each partition corresponds to one piece of time identification; the data in the partitions storing the data to be counted are counted to obtain a statistical result; the statistical result is output. Through the data storing method and device, the problem that in order to ensure accurate storage of the data, system overhead is high is solved.

The invention provides a method for continuously catching CO2 in cement kiln flue gas with a hydrate method. The method comprises the following steps: continuously catching, curing, separating CO2 in continuously-flowing flue gas stream by taking a hydrate promoter solution as a catching agent and taking a large amount of waste residual heat generated in a cement production process as an energy source through a CO2 absorbing tower-regeneration tower unit comprising a silk screen catching bed device, and enriching a CO2 hydrate and continuously separating and discharging N2-enriched gas flow to realize continuous catching; continuously enriching caught CO2 hydrate rich liquor, transferring the enriched CO2 hydrate rich liquor into a regeneration tower for performing continuous separating and releasing to obtain continuous CO2 gas flow, and recycling hydrate poor liquor obtained by continuous separating and releasing; drying, cooling, compressing and storing the CO2 being subjected to continuous separating and releasing. By adopting the method, the CO2 in the cement kiln flue gas is continuously caught efficiently at low cost by using a part of process equipment on a cement production line and waste residual heat generated in the cement production process, so that the technical problem that only intermittent high-pressure air-tight catching is available and continuous catching is unavailable in a process of catching CO2 with a hydrate is solved.

The invention provides a method for eliminating a direct-current offset of an angular displacement sensor, which relates to the electronic circuit field. With the method, a problem that the existing algorithm needs lots of additive operations and thus the hardware cost is high can be solved. The method comprises: S1, an initial signal value is stored; S2, adjacent signal values are compared within a following period to obtain a maximum signal value and a minimum signal value within the period; S3, an average value of the maximum signal value and the minimum signal value is calculated; and S4, subtraction between the initial signal value and the average value is carried out to eliminate a direct-current component. According to the invention, the algorithm is simple and direct; and the software and hardware costs are low.

The invention relates to a semi-submersible floating type surge self-propelled generator ship. The semi-submersible floating type surge self-propelled generator ship comprises a semi-submersible hull and a top body and is characterized in that the semi-submersible hull and the top body are connected through connectors, a plurality of buoyancy tanks are arranged on the water surface between the semi-submersible hull and the top body, arranged in positioning grooves between the semi-submersible hull and the top body and provided with racks, the racks are connected with a one-way wheelwork which is connected with a main shaft, and the main shaft is connected with a propeller and a generator set; the one-way wheelwork is arranged on the top body or the connectors between the semi-submersible hull and the top body; the one-way wheelwork is a pair of ratchet gears which are engaged with the racks in a left-right mode; the main shaft is connected with the propeller. The semi-submersible floating type surge self-propelled generator ship has the advantages that the semi-submersible floating type surge self-propelled generator ship can travel and generate power through fluctuation power of waves and achieves energy-saving and emission reduction.

A short wave ad-hoc network link system comprises a short wave radio station, a modem, a single-chip microcomputer, an RAM and a GPS antenna. The short wave ad-hoc network link system is characterized in that marine short wave radio stations and a base station are combined to form a large network, and when the distance between a short wave radio station and the base station is beyond the communication distance, a mechanism of performing forwarding of voice calls through other short wave stations at intermediate positions is established to enlarge the communication distance of the base station, making the base station realize relay voice calls with marine short wave radio stations around the world and realizing ad-hoc network links of short wave communication. Compared with link systems in the prior art, the short wave ad-hoc network link system is simple to operate, stable in running, strong in practicality, and can overcome instability of communication channels and influences on communication distances by noisy electromagnetic environments.

The invention provides a label management method and device, a storage medium and an electronic device, and the method comprises the steps of processing an offline label according to a standard data processing specification, and obtaining a standardized offline label; determining a comprehensive label table according to the standardized offline label and the acquired real-time label; and caching the integrated label table in ElasticSearch, so that the problems that in the prior art, for different service modes and application scenes, a label system needs to be customized, and development resource consumption is large can be solved, through fusion of real-time labels and offline labels, it is guaranteed that all data output nodes are smoothly connected, no time is wasted, the output efficiency of the label table is improved, and a unified query engine based on a tag system is provided.

The invention provides a data transmission method and device. The method comprises the following steps of: obtaining a target object, wherein the measurement result of the channel transmission qualityof a plurality of channels is acquired, a repeated data transmission function is configured on the plurality of channels, the repeated data transmission function is used for indicating to establish amulti-connection with a terminal on the plurality of channels, and the multi-connection is used for transmitting the same data on the plurality of channels at the same time; Judging whether the repeated data transmission function is started or not according to the acquired measurement result; And according to a judgment result, performing data transmission with the terminal in the plurality of channels. According to the method and the device, the problem of relatively high transmission resource consumption due to adoption of a dump transmission mode for data transmission in the prior art is solved, and the effects of improving the link transmission quality and reducing the transmission resource consumption are achieved.

The embodiment of the invention discloses an access information processing method. The method comprises the following steps: receiving an obtaining request sent by a terminal at present for obtaining webpage information, wherein the obtaining request carries an identifier of the current webpage information and a first request head, and the first request head carries a previous page version tag; making response to the obtaining request, and obtaining the current webpage information and the current page version tag based on the identifier of the current webpage information; if the current page version tag is different previous page version tag, judging whether the obtaining request carries a second request head, wherein the second request head is used for triggering to execute a comparison operation; if the obtaining request carries the second request head, separating the current webpage information; and obtaining feedback information based on a separation result, and sending the feedback information to the terminal, wherein the feedback information is used by the terminal to generate and display the current webpage information. The embodiment of the invention further discloses an access information processing apparatus, and a computer storage medium.

The invention discloses a method and device for identifying inter-table primary and foreign key fields based on a bloom filter, and mainly solves the problems that in the prior art, an existing database lacks inter-table primary and foreign key metadata, so that database modeling analysis and processing are difficult; and the problems of large labor cost and resource investment caused by data exploration and manual determination of main and foreign keys between tables in a project implementation process are reduced. The number of database tables is judged, an existing method is adopted when the number is lower than a set threshold value, a Bloom filter is created through table field data content when the number is higher than the set threshold value, calculation of the inclusion relation of table fields is converted into calculation of the inclusion relation of the field filters, primary and foreign key fields between the tables are recognized, and the problem of huge consumption of calculation resources of a large number of tables is solved; and different numbers of database tables are processed separately through threshold values, resources are allocated reasonably, and resource consumption is reduced.

The invention discloses a multi-application integration method and device based on different character sets. The character set information of all submodules is recorded; and when a submodule calling request is received, the calling request and a processing result of the calling request by the requested submodule are both converted into a character set form which can be identified by the opposite end submodule. Namely, the multi-application integration method and device only needs to convert the calling request and the processing result to cause the requested submodule to identify the calling request and cause the submodule which emits the calling request to identity the processing result so as to effectively solve the problem of large consumption during multi-application integration in the prior art.