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36results about How to "Meet distribution needs" patented technology

Continuous variable quantum key distribution method based on coherent optical communication system

The invention relates to a continuous variable quantum key distribution method based on a coherent optical communication system in the technical field of quantum key distribution, which includes the following steps: S1, superimposing a quantum signal on a coherent optical communication signal to achieve synchronous transmission of the coherent optical communication signal and the quantum signal; and S2, for the problem of carrier phase shift in the receiving process, carrying out carrier recovery through a digital signal processing technology to separate the coherent optical communication signal from the quantum signal. A quantum signal is superimposed on an original coherent optical communication signal so that a coherent optical system carries quantum signal information in the communication process. The carrier phase is recovered and classical and quantum signals are separated by the digital signal processing technology at the receiving end, and classical communication and quantum communication can be carried out simultaneously on the same set of equipment. The method not only can meet the needs of quantum key distribution, but also can reduce the cost of actual implementation and improve the channel utilization rate in communication.
Owner:上海循态量子科技有限公司

Internal memory management method and internal memory management device of Android system

The invention is applicable to the field of software, and provides an internal memory management method and an internal memory management device of an Android system. The method comprises the following steps of: when applying an internal memory for a to-be-started application, obtaining the size of the internal memory needing to be occupied to start the to-be-started application; judging whether the current residual internal memory of the system meets the requirements of the size of the internal memory needing to be occupied to start the to-be-started application; if not, carrying out priority empowerment on a currently started application according to the start information of the currently started application, wherein the start information comprises the application start times and the time corresponding to starting the corresponding application; selecting a preset number of applications with low priority, and judging whether the sum of the internal memory occupied by the selected application and the current residual internal memory of the system meets the requirements of the size of the internal memory needing to be occupied to start the to-be-started application; and when the judgment result is yes, clearing the selected applications. By virtue of the internal memory management method and internal memory management device provided by the embodiment of the invention, the internal memory occupied by the applications can be released quickly.
Owner:TCL CORPORATION

Collected data cyclic storage and distribution method in real-time software receiver

The invention discloses a collected data cyclic storage and distribution method in a real-time software receiver, and aims to provide a data cyclic storage and distribution method which can perform real-time cyclic storage of measurement and control communication signals of different systems and speeds and is controllable in distribution speed. According to the technical scheme, the method comprises the following steps: after collected data are reported to a computer through a PCIE bus, the data are written into a buffer under the control of a cyclic storage pointer control module; when a capturing starting sign is valid, a distribution address pointer and a distribution data length are transmitted to a capturing thread by a one-time distribution pointer control module; after capturing is accomplished, a cyclic distribution pointer control module carries out cyclic data distribution operation; when the distribution address pointer reaches the end of the buffer, the distribution data length equals the data length between the distribution address pointer at the moment of distribution and the end of the buffer. After data distribution is completed, the cyclic distribution pointer control module updates the cyclic distribution pointer to the head address of the buffer.
Owner:10TH RES INST OF CETC

Data distribution method based on arborescence structure

ActiveCN103795727AAdd message typeDoes not affect the distribution functionTransmissionTransmission protocolDistribution method
The invention discloses a data distribution method based on an arborescence structure, and relates to a data distribution technology in the field of computer network data distribution application. According to the data distribution method based on the arborescence structure, four types of nodes of sources, identification, processing and transmitting are abstracted, and various distribution demands are met quite flexibly by traversing arborescence structure configuration under a certain source node in a depth-first mode according to arborescence combinations of the nodes. The data distribution method based on the arborescence structure has the advantages of being adaptive to transmission protocol increase, message type increase and message standard increase without influencing the distribution functions of original transmission protocols, original message types and original message standards, has the capability of being in seamless compatibility with the original transmission protocols, the original message types and the original message standards, and has the capability of meeting requirements for system expansibility and interface customizability. The data distribution method based on the arborescence structure is especially suitable for the application of distributing data of multiple sources, multiple transmission protocols, multiple message standards and multiple message types through computer networks.
Owner:NO 54 INST OF CHINA ELECTRONICS SCI & TECH GRP

Double-layer multi-objective optimization water pollution load distribution method

PendingCN110619435ATroubleshoot tax setting issuesThe distribution plan is reasonableForecastingResourcesWatershed managementLoad distribution
The invention discloses a double-layer multi-objective optimization water pollution load distribution method, which comprises the following steps: determining an environment Gini coefficient accordingto an environment Gini coefficient index and the weight of each environment Gini coefficient index; carrying out upper-layer load distribution according to a double-layer multi-objective optimizationwater pollution load distribution model based on the minimum environmental Gini coefficient and the minimum unit pollutant emission cost, ; and carrying out lower-layer load distribution according tothe double-layer multi-objective optimization water pollution load distribution model based on the maximum industrial total output value and the minimum non-uniform reduction rate of each sewage draining exit. According to the method, the double-layer multi-objective optimization water pollution load distribution model considering water environment protection tax is constructed, fairness and efficiency principles are considered for different levels of management institutions, so that the distribution scheme is more reasonable and easier to accept by pollutant dischargers, and meanwhile, the tax amount setting problem of a watershed management department is solved.
Owner:XIAN UNIV OF TECH

Cache missing rate monitoring method and device, electronic equipment and readable storage medium

The embodiment of the invention provides a cache missing rate monitoring method and device, electronic equipment and a readable storage medium, the cache missing rate of a cache storage space is calculated by counting the cache missing number of the cache storage space relative to an application program corresponding to the cache storage space and obtaining the access times of the application program within the preset duration. The cache missing number can be obtained according to an added value of a cardinal number of an address in a cache storage space within a preset duration and/or the number of mapping values discharged from a stack corresponding to the cache storage space. The cardinal number of the address is the number of the unique non-repeated addresses in the cache storage spacecalculated according to the mapping value in the stack. The cache missing number can be obtained by only processing the mapping values in the stack to calculate the increase of the cardinal number ofthe address and the number of the mapping values discharged from the stack, so that the defects of high time and space complexity and calculation redundancy caused by statistics of all historical data in the prior art are avoided.
Owner:BEIJING DIDI INFINITY TECH & DEV

Electronic resource allocation method and device, electronic equipment and storage medium

PendingCN113077280AFlexible control over allocation strategiesAllocation Policy ImpactDiscounts/incentivesPayment circuitsResource assignmentDistribution method
The invention relates to an electronic resource allocation method and device, electronic equipment and a storage medium. The method comprises the following steps: receiving an electronic resource pre-allocation request corresponding to a first account in a target application; calling an electronic resource allocation interface of at least one target service party according to configuration information of an electronic resource distribution behavior identifier in the electronic resource pre-allocation request, and sending an electronic resource allocation request to the at least one target service party, wherein the configuration information comprises identification information of the at least one target service party; obtaining an electronic resource allocation result returned by at least one target service party; generating an electronic resource pre-allocation result according to the electronic resource allocation result returned by the at least one target service party; and returning a response message to the terminal corresponding to the first account according to the electronic resource pre-allocation result. The expandability of the system is improved, the distribution requirements of various types of electronic resources are met, and the distribution flexibility of the electronic resources is improved.
Owner:BEIJING DAJIA INTERNET INFORMATION TECH CO LTD

Distribution method and system of power engineering resource data

PendingCN113077154AMeet distribution needsSatisfy demand allocation needsResourcesDistribution methodElectric power equipment
The invention discloses an electric power engineering resource data allocation method and system, relates to the technical field of electric power engineering, and mainly aims to solve a problem of low efficiency of electric power engineering resource allocation. The method comprises the following steps of constructing an Internet-of-things mapping relation of power equipment according to acquired power supply operation parameters, the engineering network information and demand side authority; after the power equipment supplies power, counting power engineering resource data according to a preset time interval, and determining an operation link of the power engineering resource data in combination with the Internet-of-things mapping relationship; when the distribution instruction is detected, judging whether the electric power engineering resource data corresponding to the operation link accords with a preset operation extreme value or not according to the authority of the demand side; and if the preset operation extreme value is not met, performing statistics on distribution target data of the power engineering resource data according to the power supply operation parameters, and determining distribution time, a distribution link, a distribution parameter and a distribution value of the distribution target data in the operation link according to the demand side authority so as to perform distribution adjustment on the power engineering resource data.
Owner:河南博元电力科技股份有限公司

A Data Distribution Method Based on Tree Structure Configuration

The invention discloses a data distribution method based on an arborescence structure, and relates to a data distribution technology in the field of computer network data distribution application. According to the data distribution method based on the arborescence structure, four types of nodes of sources, identification, processing and transmitting are abstracted, and various distribution demands are met quite flexibly by traversing arborescence structure configuration under a certain source node in a depth-first mode according to arborescence combinations of the nodes. The data distribution method based on the arborescence structure has the advantages of being adaptive to transmission protocol increase, message type increase and message standard increase without influencing the distribution functions of original transmission protocols, original message types and original message standards, has the capability of being in seamless compatibility with the original transmission protocols, the original message types and the original message standards, and has the capability of meeting requirements for system expansibility and interface customizability. The data distribution method based on the arborescence structure is especially suitable for the application of distributing data of multiple sources, multiple transmission protocols, multiple message standards and multiple message types through computer networks.
Owner:NO 54 INST OF CHINA ELECTRONICS SCI & TECH GRP

Android system memory management method and device

The invention is applicable to the field of software, and provides an internal memory management method and an internal memory management device of an Android system. The method comprises the following steps of: when applying an internal memory for a to-be-started application, obtaining the size of the internal memory needing to be occupied to start the to-be-started application; judging whether the current residual internal memory of the system meets the requirements of the size of the internal memory needing to be occupied to start the to-be-started application; if not, carrying out priority empowerment on a currently started application according to the start information of the currently started application, wherein the start information comprises the application start times and the time corresponding to starting the corresponding application; selecting a preset number of applications with low priority, and judging whether the sum of the internal memory occupied by the selected application and the current residual internal memory of the system meets the requirements of the size of the internal memory needing to be occupied to start the to-be-started application; and when the judgment result is yes, clearing the selected applications. By virtue of the internal memory management method and internal memory management device provided by the embodiment of the invention, the internal memory occupied by the applications can be released quickly.
Owner:TCL CORPORATION

Design method of self-adaptive flow distribution adjusting device

The invention relates to a design method of a self-adaptive flow distribution adjusting device, which belongs to the technical field of flow control and comprises the following steps: firstly, determining the airfoil profile, the size and the position of an airfoil according to the change relationship of required flow of an outer flow channel and an inner flow channel along with working conditions; then, in combination with theoretical calculation and CFD simulation, determining airfoil attack angle state of each working condition, so that the actual flow of the outer flow channel and the inner flow channel under the corresponding working condition is not smaller than the required flow; and finally, performing stress analysis on the airfoils, and arranging double torsional springs betweenthe adjacent airfoils according to an analysis result, so that the airfoils under the attack angles corresponding to all the working conditions are in a moment balance state. According to the design method of the self-adaptive flow distribution adjusting device provided by the invention, self-adaptive adjustment can be conducted on the flow of different partitions of a fluid channel, it is guaranteed that the flow of fluid in the outer flow channel and the inner flow channel separated by the self-adaptive flow distribution adjusting device meets the flow requirements of the partitions under all working conditions, extra control is not needed in the actual operation process, the operation strategy is simple, and the influence of gravity is avoided.
Owner:WUHAN SECOND SHIP DESIGN & RES INST

Satellite-borne microwave photoelectric hybrid communication exchange integrated system and method

The invention provides a satellite-borne microwave photoelectric hybrid communication exchange integrated system and method, and solves the problems that an existing spatial information network is low in resource utilization rate and cannot realize service information transmission and interaction. The system comprises a comprehensive management and control unit, a receiving unit, a transmitting unit, an optical switching module and a digital electric packet switching module; the receiving unit comprises a first laser antenna, a first microwave antenna, a first digital cable, a first relay light path connected with the first laser antenna and a microwave light modulator connected with the first microwave antenna; the transmitting unit comprises a second laser antenna, a second microwave antenna, a second digital cable, a second relay light path connected with the second laser antenna and a photoelectric down converter connected with the second microwave antenna; the input of the optical switching module is connected with the first relay optical path and the microwave optical modulator, and the output is connected with the second relay optical path and the photoelectric down converter; and the input and output of the digital electric packet switching module are connected with the first and second digital cables.
Owner:XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI

Compensator for rotary working device of excavator

ActiveCN113882460AGuarantee coordinationGood adjustment flexibility and adaptabilitySoil-shifting machines/dredgersRotary valveEngineering
The invention discloses a compensator for a rotary working device of an excavator. The compensator solves the problems of coordination of loading operation rotation and movable arm lifting composite actions and priority distribution of rotation linkage flow in the operation cycle of the excavator. When a rotary table rotates to the loading position, the lifting of a movable arm can ensure that the materials in an excavator bucket reach the safe loading height and are not collided. The designed compensator comprises a plunger assembly and a sliding valve element assembly, and the pressure behind a throttling opening of a rotary valve element of a working unit, the load pressure of a rotary motor and the signal pressure are introduced into three pressure containing cavities of the compensator through an oil way of a valve body of the working unit. The requirement for left-side and right-side rotation of the excavator can be met through one compensator at the same time. The control edge of the compensator is provided with the throttling opening communicated with the containing cavities on the two sides of the compensator, after the rotation linkage compensator moves to the closing position, when a rotation linkage valve element reverses, flow still flows to a rotary motor, and the coordination of flow distribution is achieved under the heavy load condition of a working device.
Owner:JIANGSU ADVANCED CONSTR MASCH INNOVATION CENT LTD

Continuous variable quantum key distribution method based on coherent optical communication system

The present invention relates to a continuous variable quantum key distribution method based on a coherent optical communication system in the technical field of quantum key distribution, comprising: step 1: superimposing a quantum signal on a coherent optical communication signal to realize the communication between the coherent optical communication signal and the quantum signal Synchronous transmission; Step 2: For the carrier phase drift problem in the receiving process, the carrier recovery is carried out through digital signal processing technology to realize the separation of coherent optical communication signals and quantum signals. The invention superimposes the quantum signal on the original coherent optical communication signal, so that the coherent optical system carries quantum signal information during the communication process, and uses digital signal processing technology at the receiving end to recover the carrier phase and separate the classical and quantum signals, realizing In order to carry out both classical communication and quantum communication on a set of equipment, this method can not only meet the requirements of quantum key distribution, but also reduce the cost of its actual implementation, and at the same time improve the channel utilization in communication.
Owner:上海循态量子科技有限公司

A Method for Circular Storage and Distribution of Collected Data in Real-time Software Receiver

The invention discloses a collected data cyclic storage and distribution method in a real-time software receiver, and aims to provide a data cyclic storage and distribution method which can perform real-time cyclic storage of measurement and control communication signals of different systems and speeds and is controllable in distribution speed. According to the technical scheme, the method comprises the following steps: after collected data are reported to a computer through a PCIE bus, the data are written into a buffer under the control of a cyclic storage pointer control module; when a capturing starting sign is valid, a distribution address pointer and a distribution data length are transmitted to a capturing thread by a one-time distribution pointer control module; after capturing is accomplished, a cyclic distribution pointer control module carries out cyclic data distribution operation; when the distribution address pointer reaches the end of the buffer, the distribution data length equals the data length between the distribution address pointer at the moment of distribution and the end of the buffer. After data distribution is completed, the cyclic distribution pointer control module updates the cyclic distribution pointer to the head address of the buffer.
Owner:10TH RES INST OF CETC

A method and device for self-adapting flow rate adjustment of liquid-cooled cold plate of electronic equipment

The invention discloses a flow self-adaptive adjustment device for a liquid-cooled cold plate of electronic equipment, which relates to the technical field of electronic equipment cooling, and specifically includes a liquid-cooled cold plate, a thermal expansion part and a flow channel. The top of the flow channel is provided with a liquid inlet on the upper surface of the liquid-cooled cold plate, the inner bottom of the liquid inlet is provided with a throttling part, the thermal expansion part is installed in the liquid-cooled cold plate, and the middle of the side of the liquid inlet passes through the second The bypass branch communicates with the thermal expansion component, the side of the flow channel communicates with the thermal expansion component through the first bypass branch, and a temperature sensing chamber is provided inside the liquid cooling plate, and the temperature sensing chamber communicates with the thermal expansion component through the channel. When applied in large-scale liquid cooling systems, there is no need to add additional components such as electric regulating valves and temperature sensors, and only thermal expansion components are added to the existing conventional cold plate structure, so that the cross-sectional area of ​​the flow channel of the liquid-cooled cold plate can vary with the temperature of the electronic device. Adaptive changes to improve the stability and safety of phase change cooling systems.
Owner:CHINA ELECTRONICS TECH GRP CORP NO 14 RES INST
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