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93results about How to "Allocation is fast" patented technology

Frequency spectrum distribution method based on system revenue in cognitive radio

A frequency spectrum distribution method based on a system revenue in cognitive radio, which relates to the frequency spectrum distribution technology in the cognitive radio technology, is disclosed. By using the method of the invention, system communication costs can be reduced; a problem of a low total system revenue caused by frequency spectrum revenue differences which are ignored by a current algorithm can be solved. The frequency spectrum distribution method is characterized by: dividing a topological graph into a plurality of connected components and calculating all maximal independent sets in the each connected components; carrying out frequency spectrum distribution to nodes one by one in the each maximal independent set of the each connected component; after the frequency spectrum distribution of the all maximal independent sets in one connected component is completed, detecting whether there is the node that is not distributed with the frequency spectrum and the available frequency spectrum in the connected component, carrying out the frequency spectrum distribution to the node that is not distributed with the frequency spectrum and distributing the available frequency spectrum to the nodes continuously till available frequency spectrum lists of all the nodes are empty which means that the frequency spectrum distribution of the connected component is completed. By using the method of the invention, a distribution speed is fast and costs are low. And the high total system frequency spectrum revenue can be obtained.
Owner:HARBIN INST OF TECH

Method for distributing and reclaiming idle blocks of file

The invention discloses a method for distributing and reclaiming idle blocks of a file. The distributing method comprises the following steps: dividing the file into N file blocks according to the preset size, and numbering the file blocks; using K file blocks in the N file blocks as index blocks, and connecting the index blocks by adopting a bidirectional link table; storing a previous index block sequence number of the index block, a rear index block sequence number and the number of the idle blocks managed by the index block into the index blocks; and distributing the idle blocks managed by the index block in turn according to the order of the index blocks in the bidirectional link table, and correspondingly modifying information stored in the index blocks. The reclaiming method comprises the following steps: reclaiming the idle blocks in turn by the index blocks according to the order of the index blocks in the bidirectional link table, and correspondingly modifying the information stored in the index blocks. The method is particularly suitable for application situations with high real-time requirements. The method can save a large amount of storage space in the storage of mass historical data of the real-time database, and meanwhile can ensure the real-time response of the real-time database to the data due to extremely high idle block distribution speed.
Owner:SHANGHAI BAOSIGHT SOFTWARE CO LTD

Intelligent non-contact type minim biological reagent distribution method and its dispensing system

The invention provides a intelligent non-contact type method for distributing trace biology agent and distributing system. A micro-flow detecting sensor is integrated on the distributing system by combining the MEMS technique and the intelligent control method and presupposing a great variety of knowledge information are used to perform the self-adapting automatic and intelligent adjustment of all kinds of the distribution parameters and strategies during high pass rapid cycle distribution process, therefore the accurate, trace agent not-contact type distribution can be realized direct towards all kinds of viscosity agent and all kinds of external condition effects. The automatic and intelligent adjustment of control parameters and the fault real-time monitoring and diagnosing function can be quickly performed to prevent the factors variation such as remain agent amount, environment temperature, agent viscosity or the like from influencing the distribution precision, so as to really ensure the exact size trace agent distribution, therefore the accuracy and reliability of the agent distribution can be increased. The distributing system has function of automatic calibration and searching the optimal control parameter, high agent viscosity adaptation character to satisfy the distribution requirement of the extensive volume (nanoliter to milliliter).
Owner:HARBIN INST OF TECH

A method for active power control of hydroelectric units in dual-suggested operating areas

The invention discloses a method for controlling the active power of a hydroelectric unit in a double-suggested operating area, and belongs to the technical field of hydroelectric power generation control. Divide automatic power generation control function modules into power station-level AGC function modules, unit-level PLC function modules, and unit-level governor function modules and assign tasks; determine parameters, assignment relationships, and dependencies; pre-establish models for all units that are put into AGC control , to calculate the optimal operating range of the unit put into AGC control; and calculate the active power distribution value of the single-unit AGC, and carry out the active power control of the hydroelectric unit in the double-suggested operation area according to the obtained single-unit AGC active power distribution value. It is suitable for the hydropower station whose interval division is from low to high in the order of vibration area→recommended operation area 1→restricted operation area→recommended operation area 2 unit type, and can quickly calculate the stand-alone AGC of each unit according to the total active power setting value of the hydropower station Active power distribution value and stand-alone active power setting value can meet the operation requirements of the unit avoiding the vibration area and the restricted operation area at the same time.
Owner:HUANENG LANCANG RIVER HYDROPOWER +1
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