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32results about How to "Simple initialization" patented technology

Magnetic revolution counter and method for determining numbers of revolutions that can be determined by means of said revolution counter

The invention relates to a magnetic revolution counter and to a method for determining a specifiable quantity n of revolutions of an external magnetic field that are to be determined, said external magnetic field produced by a rotating element (4), or a quantity n of magnetic poles of a rotating pole wheel, which quantity of magnetic poles can be moved past, or a linear magnetic scale that can bemoved past, containing a revolution sensor (2), which contains magnetic domain-wall conducting tracks, which consist of open spirals or multiply wound loops closed in themselves, which are formed by aGMR layer stack or a soft magnetic layer having locally present TMR layer stacks and into which magnetic 180 degrees domain walls can be introduced and - by measurement of the electrical resistance of specifiable spiral sections or loop sections - can be located, wherein a single domain wall is introduced into the domain-wall conducting tracks or at least two magnetic domain walls are introducedinto the domain-wall conducting tracks in such a way that the at least two domain walls are brought into a defined distance of greater than 360 degrees from each other, with respect to the location change thereof from a first to a second position in the event of rotation of the external magnetic field by the angle of greater than 360 degrees, and are lastingly thus spaced apart from each other andwherein electrical contacts arranged in a defined manner are provided on the domain-wall conducting tracks, which electrical contacts, together with associated domain-wall conducting track sections covered thereby, are interconnected to form separate but jointly readable Wheatstone half-bridges, wherein the resistance ratios determined by the Wheatstone half-bridges are stored as a signal level completely in a memory (9) as a table, which memory can be continuously compared with table-like target value patterns stored in a further memory (10) for each permissible revolution i (0 < i < n) in order to determine the number of revolutions and, for the number of revolutions i to be determined, the number of revolutions for which the measured resistance ratios match the target value pattern inthe memory (10) is output, determined by a corresponding processing unit (11).
Owner:LEIBNIZ INST FUR PHOTONISCHE TECHNOLOGIEN EV +1

Method for realizing four-channel serial communication of SDRAM (Synchronous Dynamic Random Access Memory)

The invention relates to a method for realizing four-channel serial communication of an SDRAM (Synchronous Dynamic Random Access Memory). The method comprises the steps of: transmitting command signals through one channel, and decoding command signals received from a serial channel D0 through a command control logic unit and recognizing the commands, wherein commands for serial four-channel SDRAM include a read operation command, a write operation command and an initialized configuration command; after the command control logic unit recognizes the initialized command, outputting a signal for configuring a PLL (Phase Locked Loop) and refreshing a counter, executing the configuring operations of configuring the PLL and refreshing the counter; after the command control logic unit recognizes the read and write commands, analyzing a received address signal to generate a column address, a row address and a BANK signal and sending the column address, the row address and the BANK signal to a column address latch decoder, a row address latch decoder and a BANK control logic; and then transmitting data signals, wherein the transmission of the data signals is controlled by a read-write register. The method changes the parallel communication mode of the SDRAM to the serial communication and realizes the four-channel serial communication function of the SDRAM.
Owner:HANGZHOU SYNOCHIP DATA SECURITY TECH CO LTD

A perceptual intrusion detection method based on qsfla-svm

The invention provides a perceptual intrusion detection method of QSFLA-SVM, which sets relevant parameters; initializes the position of the frog population; transfers the position information of each frog individual into a support vector machine abnormal sequence detection model, and uses the calculated test set The classification accuracy is used as the fitness function value of each frog individual, and the frog population is sorted in descending order and the sub-population is divided into sub-populations; the worst individual of each frog sub-population is updated by using the quantum particle swarm update mechanism until reaching Local maximum number of iterations; global information exchange is performed. If the global maximum number of iterations is reached, the global optimal frog individual will be returned. At this time, the location information of the individual is the optimal value of the parameter when the SVM anomaly sequence detection model obtains the maximum accuracy rate for the classification of the test set. , and output the optimal test set classification result. The invention combines a quantum-derived hybrid leapfrog intrusion detection algorithm based on a quantum particle swarm search mechanism and a support vector machine to perform intrusion detection.
Owner:HARBIN ENG UNIV

Zynq platform remote upgrading method

The invention discloses a Zynq platform remote upgrading method, which comprises the following steps that: 1) a Zynq platform enters an FSBL execution process and executes steps 2) and 3); 2) the Zynqplatform sends an upgrade request data packet to an upper computer; after receiving the upgrading request data packet, the upper computer matches a corresponding upgrading mirror image file and sendsthe upgrading mirror image file to a Zynq platform; (3) the Zynq platform receives the check code and the upgrading mirror image file, verifies the upgrading mirror image file, and writes the received upgrading mirror image file into FLASH; (4) the Zynq platform continues to execute the subsequent starting process, and the Uboot mirror image is loaded from the FLASH; if the loading succeeds, skipping to the DDR to execute the Uboot code; if the loading is unsuccessful, skipping to the step 2); and the Zynq platform resends the upgrading request data packet. According to the method, mirror image receiving and storing of the upgrading data are completed in the FSBL execution process, the dependence of the upgrading process on the running state of the Zynq platform is greatly reduced, and stable transmission of the data is ensured by using a data transmission mode of a main serial port and a standby serial port.
Owner:易思维(杭州)科技有限公司
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