34results about How to "Solve problems that take too long" patented technology

The invention relates to a DPDK-based HTTP bypass blocking method. The method comprises following steps of S1: deploying DPDK system operation environment on a switch; S2: establishing a filtering rule library; S3: configuring a blocking opening in the switch; S4: calling an api port of the DPDK system and reading a data report of an internet accesses and S5: intercepting fields from the data report acquired in the S4, according to the intercepted fields, calculating Hash values, according to Hash value indexes, searching a filtering rule library, carrying out field value comparison, if the fields values are the same, sending blocking report through the blocking port, if the fields values are different, abandoning the data report and continuously reading the next data repot. According to the invention, a problem that the consumed time is too long by use of the DPI pack processing technology in the prior art can be solved; the blocking report is replied before the service end gives responses; and the blocking success rate reaches 99.99%.

The invention relates to a high-adaptation synergistic laser welding device and belongs to the field of welding, through cooperation of a first telescopic spring, a sliding adjusting frame and devices on the sliding adjusting frame, a rotating wheel can be tightly attached to an engine, so that a proper distance is always kept between a laser welding gun and an air inlet as well as between the laser welding gun and the engine in the welding process, and the welding efficiency is improved. The air inlet welding device is suitable for welding air inlets of different shapes, the purpose that the air inlet welding device can be suitable for the air inlets of different shapes is achieved, and the problem that in the prior art, only circular air inlets can be welded is solved.

The embodiment of the present application provides a block chain consensus method, device and related equipment, which are used to solve the problem that the existing block chain consensus algorithm takes too long. The method in the embodiment of the present application includes: periodically issuing operation instructions to perform the same preset operation in the trusted execution environment TEE; recording the first response time of the block chain node device performing the preset operation; according to other block chain The response time of the node device and the first response time determine that the blockchain node device with the smallest response time is the accounting node.

The invention discloses a method and a device for upgrading an application program. The method includes detecting an upgrading program of the application program, wherein the upgrading program is used for upgrading the application program which includes a structural domain and a data domain, and structural domain is used for expressing logic relation among data inside the data domain; when the upgrading program is detected, upgrading the structural domain of the application program to upgrade the application program. By the method and the device, effect of reducing upgrading time of the application program is realized.

The embodiment of the present invention discloses a method, device, electronic device and storage medium for determining failure parameters of solder joints. The method includes: acquiring a vehicle model, and acquiring a solder joint file corresponding to the vehicle model; The solder joint type object corresponding to each solder joint determines the type of each solder joint, at least one to-be-processed solder joint is determined from the solder joints whose type is a common solder joint, and the corresponding solder joints to be processed are determined according to the vehicle model the second position information; for each solder joint to be processed, according to the first position information and the second position information, determine the part number of each base metal corresponding to the solder joint to be processed, and determine the part number of each base metal according to the part number of the base metal Base metal identification and attribute information of the welding base metal; according to the attribute information of each base metal to be welded, the failure parameters of the welded joints to be processed are determined. Through the technical solutions of the embodiments of the present invention, the failure analysis and modeling of the solder joints at the vehicle level is simplified, and the modeling efficiency is improved.

The invention relates to a fast realization method of fingerprint positioning aimed at screening indoor signal source deployment schemes. First, generate the sub-fingerprint library corresponding to the deployment plan, in which the multi-level acceleration method of multi-core parallel nested hash lookup is called when generating the sub-fingerprint library, and then locate all test points and determine the positioning error of the deployment plan. A multi-level acceleration method that combines hash search + SIMD, and finally selects the optimal solution from all signal source deployment solutions. The invention uses the SIMD technology to realize multi-data parallel calculation in the RSS distance calculation process and improve the positioning speed. The present invention uses multi-core or multi-GPU technology to process multiple reference point RSS and multiple test point positioning in parallel, thereby greatly improving the calculation speed. The invention uses a hash search algorithm to solve the problem of too long time-consuming due to frequent search when the index of the fingerprint library array is searched for the ID of the signal source.

The invention provides a signal frequency multiplication circuit, method and applicable equipment. Wherein, the signal frequency multiplication circuit of the present invention includes a signal input terminal, and the circuit also includes: a frequency determination control unit connected to the signal input terminal, including: a determination input terminal, a first strobe terminal, a second strobe terminal, a second strobe terminal, Three gate terminals, a fourth gate terminal, a first output terminal, and a second output terminal, wherein the determination input terminal and the first gate terminal are connected to the signal input terminal, and the first gate terminal and the second gate terminal are The received signal is output from the first output terminal, and the signals received by the third strobe terminal and the fourth strobe terminal are output from the second output terminal; the digital frequency multiplier connected to the signal input terminal and the second strobe terminal unit; an analog phase-locked loop connected to the first output terminal and the second output terminal, wherein, the output terminal of the analog phase-locked loop is also connected to the fourth gate; and the output terminal of the analog phase-locked loop and the third gate end-connected frequency divider. The invention can simultaneously solve the problems of too long time-consuming processing of low-frequency signals by analog frequency multiplication and easy generation of harmonic leakage when digital frequency multiplication performs frequency multiplication processing of high-frequency signals.

This invention relates to a test stand for automatically measuring volume of an oil spray pump including a sprayer, a collector, a deforming stabilizer, a collect / discharge electromagnetic valve and a flow sensor, among which, the oil collector is mounted on the outlet of the oil sprayer connected with the deforming regulator via conduit, outlet of which is linked to the inlet of the collect / discharge valve, the flow sensor is mounted on the valve, the top overflow lip of the sensor and outlet of the valve are connected with the oil tank via return tubes which applies the sensor in the collector to determine it the pump is at the spraying state, either solves the problem of costing too long time to test small volume by single volume flow sensor or complicated structure of a multi-volume flow sensor.

The present invention relates to a DPDK-based HTTP bypass blocking method, which also includes the following steps: S1: deploying a DPDK system operating environment on a switch; S2: establishing a filter rule library; S3: configuring a blocking port on the switch; S4: calling the DPDK system The api interface reads the data message of the network port; S5: intercept the field of the data message obtained in the step S4, and calculate the hash value according to the intercepted field, and search the filter rule base according to the hash value index and perform the field value Contrast, if the comparison is the same, then the blocking port sends the blocking message, if the comparison is different, then discard the data message and continue to read the next data message. The present invention can solve the problem of using DPI packet processing technology in the prior art. If the time is too long, the blocking message is replied before the server responds, and the blocking success rate is as high as 99.99%.