96results about How to "Solving resource constraints" patented technology

One embodiment of the invention discloses a method and a device for configuring a physical uplink control channel resource, and a base station. The method comprises: when ACK/NACK and SRI and unused resource amount in the resource reserved for CQI are bigger than the sum of a first preset value and a first amount, respectively reducing the first amount and a second amount for the semi-static ACK/NACK and the SRI and the resource reserved for the CQI; and when occupancy factor of the resource reserved for the semi-static ACK/NACK and the SRI is bigger than a second preset value, or the amount of the unused resource amount in the resource reserved for the CQI is smaller than or equal to a third preset value, increasing a third amount for the resource reserved for the semi-static ACK/NACK and the SRI, and increasing a fourth amount for the resource reserved for the CQI. The embodiment of the invention can reasonably configure the resource reserved for the semi-static ACK/NACK and the SRI and the CQI in PUCCH, so as to improve performance of a communication system.

The invention discloses a method for distributing wireless channels based on cells along a railway. The method comprises the following steps of: registering a train identity; drawing up a railway cell list; forecasting the arrival of a train; preserving resources on a base station; withdrawing wireless resources for the base station; and logging off the train identity. In the invention, wireless channels are distributed to linear cells covered on the running route of the train according to the characteristic of fixed running direction of the train, so that the problem of wireless resource tension caused after the arrival of a highs-speed train at a certain cell is solved effectively, and the frequency spectrum utilization ratios of cells along the railway are increased.

The invention discloses a variable wavelength-based hybrid optical access system, which comprises an optical line terminal (OLT) part, a remote node (RN) part and an optical network unit (ONU) part connected together through an optical fiber circuit, wherein the OLT part comprises a plurality of optical transceiver modules TRX; when an injection-locked Fabry-Perot laser diode (FP-LD) or reflection semiconductor optical amplifier (RSOA) is adopted at the transmitting end Tx of each optical transceiver module TRX, the common end of a first wave multiplexer/de-multiplexer MUX/DEMUX1 is connected with a light source SL through a wavelength division multiplexed (WDM) component and the output end of the WDM component is connected with the optical fiber circuit; or when a fixed wavelength laser or adjustable wavelength laser is used at the transmitting end Tx of the optical transceiver module, the common end of the first wave multiplexer/de-multiplexer MUX/DEMUX1 is connected with the optical fiber circuit directly. The variable wavelength-based hybrid optical access system of the invention can adapt to the network deployment of each operator so as to realize smooth updating of the network structure, solve the problems of the shortage of the optical fiber resource, the inventory cost and the maintenance cost and meet the requirements on the bandwidth and speed.

The invention discloses an anti-aqueous dispersion synchronous grouting material with large specific gravity and low consistence. The anti-aqueous dispersion synchronous grouting material consists of the following components in parts by weight: 100 parts of coal ash, 10-30 parts of slaked lime, 5-20 parts of cement, 10-50 parts of phosphorus gypsum, 0-200 parts of machine-made sand, 200-400 parts of shield mud and sand, 0.1-0.5 part of a water reducing agent, 0.05-0.2 part of a thickening agent and 80-120 parts of water. The shield mud and sand is used for replacing river sand and bentonite in a traditional grouting material, and the shield mud and sand and machine-made sand are taken as fine aggregates, so that the problem of resource shortage for natural sand is solved; moreover, the coal ash discharged at a power station and the phosphorus gypsum produced at a phosphorus chemical plant are reasonably utilized, so that the resource utilization of industrial waste is realized. The grouting material has the characteristics of good filling property, long castable time, large specific gravity, low consistence, anti-aqueous dispersion performance, segment floating prevention and the like, is prominent in environmental protection performance and low in cost, and can be widely applied to the shield segment grouting engineering and the like.

The invention discloses an unmanned aerial vehicle group cooperative safety control method based on switching topology. The method comprises the following steps: utilizing a time-varying switching topological graph to represent information interaction among unmanned aerial vehicle groups in each switching subsystem; considering the influence of external interference, respectively establishing thesecond-order dynamic equations of an unmanned aerial vehicle pilot and an unmanned aerial vehicle follower in the switching subsystems; designing a safety controller which simultaneously considers external interference and event triggering for tracking the motion track of the unmanned aerial vehicle pilot and keeping the formation among the unmanned aerial vehicle groups of followers; and establishing the equation of an unmanned aerial vehicle group error system under the switching subsystems to obtain the stability condition of unmanned aerial vehicle group error system, and inhibiting external interference by utilizing an H infinite method. The method solves the problems of information interaction, data redundancy and external interference under different formations in unmanned aerial vehicle formation.

The invention provides a fourier transformation apparatus in the ADSL system that can be used for the modems of 256 communication channels, Being capable of accomplishing the 512 point DFT (I-DFT AND F-DFT) processing, the apparatus comprises a double port RAM, rotational factor module, sequential control module, read-write address producing module and butterfly-type calculation module. After the data preparation of the front level input double port RAM is ready, the sequential control module starts the read-write address producing module to begin to read-write data and the rotational factor, the butterfly-type calculation module performs the butterfly-type computation according to data and the rotational factor, the immediate data is stored in the double port RAM. The invention solves the problem of insufficient hardware resources, nearly 50% of operand can be saved

The invention, which belongs to the technical field of power system operation and control, relates to a real-time-digital-simulator-based modular multi-level converter bridge arm modeling method. A bridge arm hybrid model is established for a bridge arm of a modular multi-level converter (MMC), a simplified equivalent model is established by L special sub modules in the bridge arm, and a detailedequivalent model is established by M common sub modules; modeling of fault states of all devices in the detailed and equivalent sub modules is carried out, so that the model is able to simulate internal faults of the sub modules; and then a fault node is added in the bridge arm model and thus the model is able to simulate a bridge arm fault. Therefore, a problem of resource limitation of modular multi-level converter system simulation by the real-time digital simulator in a GPC/PB5 environment is solved, so that the model can be applied to high-level MMC system simulation; and internal fault simulation of various converters can be completed, so that the study of the MMC protection control strategy is realized well.

The invention provides an ESB framework based resource perception adaptive system. The system comprises a short-range mobile P2P network, universal internet and private cloud. The system is provided with a cloud service host. The cloud service host is provided with: a request processing module, used for, when a client submits a request, processing the request, selecting a corresponding workflow mode and transmitting the selected workflow mode to a workflow engine module; the workflow engine module, used for executing task workflow in the selected workflow mode through message route control; and a prefetching module, used for performing prefetching according to prediction. The invention furthermore provides a policy for performing anticipation according to a context and a workflow model selection policy, so that a user preference prediction scheme can be perceived by utilizing the context, the waiting time is shortened, and dynamic adjustment is supported by utilizing a workflow mechanism of resource consciousness.

The invention discloses a method using spent grains of white liquor for preparing active carbon. Firstly, directly boiling the spent grains of the white liquor and NaOH solution together to remove silicon; and then taking the zinc chloride as an activating agent, and obtaining the finished product of active carbon through the work procedures of carbonization and activation, acid pickling, water scrubbing, filtration, drying, grinding and the like. According to the invention, the spent grains are used as a raw material to prepare the active carbon, which effectively recycles and utilizes the waste resources, increases the integrated development and the utilization ratio of the resources and provides a new way for the circulation, resourcfulization, scale production, industrialization and product profit improvement of the resources.

The invention discloses an S-band satellite communication terminal for an offshore mobile platform. The S-band satellite communication terminal comprises a parabolic antenna, a servo tracking device and an S-band satellite relay communication machine, the parabolic antenna is located at the top of the servo tracking module, and the parabolic antenna and the servo tracking module are electrically connected to the S-band satellite relay communication machine; the parabolic antenna is used for receiving a satellite forward electric wave signal and radiating a backward electric wave signal to thespace; the servo tracking device is used for calculating the pointing directions of the platform and the satellite, correcting the pointing directions by utilizing the received signal strength value,and controlling the parabolic antenna to point to the satellite according to the corrected pointing directions; the S-band satellite relay communication machine is used for realizing two-way communication between the terminal and the relay satellite and outputting shore-based instruction information to the offshore mobile platform; and performing feedback of the received signal intensity value tothe servo tracking device in real time. The satellite communication terminal is small in size, weight and power consumption, and meets the application requirements of offshore buoys with the diameteras small as 1 m.

This invention refers to a method for obtaining series connected monitor terminal process in network communication and apparatus thereof. Said invention makes unified design to series connected monitor terminal process that is in turn scanning effective mark of every channel and processing data parameter of each channel according to said effective mark, then storing the processing result in one RAM, said RAM adopts horizontal structure to make one group of data in one channel storing in one row of horizontal RAM, solving the problem of resource shortage in TCM-SINK design and raising accessing efficiency.

The invention provides a session management method and device, relates to the field of Internet, and aims to solve the problem of short firewall session number resources. The method comprises the following steps: establishing a unique transmission control protocol (TCP) session for each DNS (Domain Name System) client; receiving a DNS inquiry request carried in a user datagram protocol (UDP) session; and confirming a TCP session of the DNS client corresponding to the UDP session, and forwarding the DNS inquiry request to a DNS server through the TCP session. The technical scheme provided by the invention is suitable for a DNS inquiry process, and a plurality of UDP sessions are converged into one TCP session on a firewall.

The invention belongs to the technical field of building materials, in particular to a masonry mortar made from tailings. It is characterized in that the production of masonry mortar made of tailings that meets M2.5-M10 has the following proportions by weight: 100-245 parts of Portland cement, 1270 parts of tailings, 234-56 parts of lime paste, and 1 part of water reducing agent. -1.36 parts, water 277 parts. The present invention uses tailings with a particle size of 0.15-0.3 mm, which is obtained by grading through screening equipment in the gravity separation and magnetic separation processes, and its purpose is to avoid the incorporation of harmful components and the fluidity of the mortar with too fine tailings particle size, which cannot construction. Its production cost is about 20 yuan per cubic meter, about 60 yuan can be saved per cubic meter, and the annual benefit is about 180 million yuan. In addition, the replacement of river sand with tailings can also reduce the discharge of mine tailings, extend the service life of tailings ponds, reduce the damage to natural rivers caused by the mining of river sand, and ultimately achieve the purpose of less rural land occupation and environmental protection.

The invention relates to a process for sand washing with stone dust. The invention is characterized in that the process for sand washing with stone dust comprises the following steps: (1) performing filtering and water scrubbing to separate out fine sand, soil particles and water; (2) sending the separated rough sand into a crusher for crush with water; (3) separating the sand, soil particles and water which are recrushed, refiltered and rescrubbed and the mixture of the sand, soil particles and water which are crushed, refiltered and scrubbed at the first time; (4) separating the mixture of sand, soil particles and water and then obtaining the finished sand and the finished soil particles which can be used to improve soil, wherein the water can be recycled for use. The invention performs three-waste treatment and processing to the waste stone dust generated during the production in a quarry, uses the stone dust which contains dust, fine sand and rough sand in the quarry as the raw materials to produce the building sand, thereby not only saving the problem concerning the shortage of the natural fine aggregate resource, but also being favorable for the environment protection in a aggregate production place and reducing the stacking place of the quarry waste and the environmental pollution.

The invention relates to a building material, in particular to plastering mortar replacing river sand by using a tailing. 100 to 150 parts of portland cement, 100 to 150 parts of tailing with the particle size of between 0.15 and 0.28 millimeter, 1 to 1.5 parts of water reducing agent and 50 to 75 parts of water are stirred and mixed by a stirrer according to a certain volume ratio so as to prepare ready mixed mortar or dry mortar which serves as floor plastering mortar, wall surface plastering mortar, masonry mortar and the like. The plastering mortar has the advantage that: the tailing can be reasonably mixed with cement, macadam, the water reducing agent and the water, so that the tailing has a uniform structure in the mortar and volume shrinkage such as chemical shrinkage, dry shrinkage and the like generated in a set cement hardening process can be restrained and reduced simultaneously. Therefore, a produced mortar admixture has high liquidity and durability, volume shrinkage generated in the set cement hardening process can be restrained and reduced effectively and the mortar is prevented from cracking, so that the high value-added resource utilization of the tailing is realized.

The invention discloses an improved H.264 compressed encoding method for a video file under the limited bandwidth and transmission rate condition, and relates to the field of digital image processing. The improved H.264 compressed encoding method aims at solving the problem that adaptive network resources of a video downloading transmission method in an existing wireless mobile communication network are limited, and the high-speed and high-definition transmission requirement is met. The improved H.264 compressed encoding method includes the steps that in the initial phase, each frame of image is compressed in advance, characteristics of the images in different directions are extracted through plural wavelet transformation, and meanwhile information redundancies are reduced; in the inter-frame prediction phase, according to the directive characteristics obtained through the wavelet transformation, the spatial correlation between inter-frame images is judged, the complexity and the dimensionality of motion vector calculation are reduced, and a P frame and a B frame are obtained; in the intra-frame prediction phase, detail characteristics are eliminated, prediction and integer cosine transformation are only carried out on the overall characteristics, and an I frame is obtained. The improved H.264 compressed encoding method is suitable for improved H.264 compressed encoding on the video file under the limited bandwidth and transmission rate condition.

The invention relates to a flow-regime concrete mix with tailings in place of river sand. The concrete mix is characterized by comprising the following components in part by weight according to a production formula: 100 to 150 parts of portland cement, 220 to 330 parts of gravel, 156 to 234 parts of tailings, 1 to 1.5 parts of water reducing agent and 50 to 75 parts of water. The concrete mix has the advantages that: because the tailings can be reasonably mixed with the cement, the gravel, the water reducing agent and the water and stirred and mixed by a stirrer, the concrete mix for pouring various buildings, construction beams, plates, columns, foundations, pavements and the like can be manufactured; and the mix concrete has a uniform structure, so that the volume shrinkage, such as chemical shrinkage, drying shrinkage and the like, produced during hardening of set cement can be suppressed and reduced. Thus the produced concrete mix has high fluidity and durability, can effectively suppress and reduce the volume shrinkage produced during the hardening of the set cement and prevent the concrete from cracking, so that the high-added-value resource utilization of the tailings can be realized.

The invention belongs to the technical field of syringes, in particular suitable for a drug injection mode for animals, and discloses a pre-filled high-temperature sterilization syringe. The pre-filled high-temperature sterilization syringe comprises a tube cap, a needle tube, a push rod and a piston, wherein the part, near the handle end of the needle tube, of the needle tube is provided with a stop ring, and the front end of the needle tube is provided with an external thread; the tube cap is provided with an internal thread, and the tube cap and the needle tube are assembled through rotation of the threads; the outer diameter of the push rod is matched with the inner diameter of a handle, and the outer diameter of the piston and the inner diameter of the needle tube are in an interference fit for sealing; the stop ring is welded to the part, near the handle end of the needle tube, of the needle tube, and during assembly, the push rod runs through the inner hole of the handle and assembled with the piston so as to form a locking structure after assembly. According to the pre-filled high-temperature sterilization syringe, a filling machine is used to inject a certain amount of drug liquid through the top of the needle tube of the syringe, the tube cap and the needle tube are assembled through rotation of the threads so that sealing and locking can be achieved, and the syringe is delivered into a sterilization chamber for steam sterilization at a high temperature of 121 DEG C for 30 minutes.

The invention discloses lubricating oil biological base oil and a preparation method thereof. The lubricating oil biological base oil comprises the following components: 30-55 parts of plant base oil,1.5-2.2 parts of trimethylchlorosilane, 15-25 parts of toluene, 3.2-3.8 parts of acetic acid, 4-6 parts of anhydrous ether, 3.9-4.5 parts of hydrogen peroxide, 1.5-2 parts of triethylamine and 3-5 parts of a catalyst. An environmentally friendly plant oil raw material replaces a petroleum-based raw material to prepare the biological environmentally friendly lubricating oil, raw material reagent resources are abundant, environmental pollution is small, the problem that petroleum resources at the present stage is in shortage can be solved, meanwhile, the requirement for environmental protectionis met, according to the prepared biological lubricating oil base oil, organosilicone is used for modifying vegetable oil, after modification, the oxidation stability and lubricating property of thevegetable oil are improved obviously, an oil product derived from the vegetable oil has good biological degradability, and compared with mineral oil, the lubricating oil biological base oil is more environmentally friendly.