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In all industry of word intelligence door lock grows new trend, standard of 2019 intelligence door lock and peak of zoology be born can be held smoothly

In all industry of word intelligence door lock grows new trend, standard of 2019 intelligence door lock and peak of zoology be born can be held smoothly

[introduction] on March 13, by countrywide intelligence building and living area digitlization standardize wisdom mark of limited company of medium of couplet of other people of technical committee, Shenzhen city, whole nation appoint Suo Bo meets couplet of working group of level of intelligent door lock, lock, China standard of the “ level that the organizing committee holds jointly and door lock of zoology ”2019 intelligence and peak of zoology be born can be in. The conference is met by…

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In use of sensor of brief analyse capacitance is put in problem and processing technique

In use of sensor of brief analyse capacitance is put in problem and processing technique

[introduction] ground wire also has impedance, when electric current has shed ground wire, can produce tension, this is noise voltage, and one of interference sources that noise voltage is influence system stability, not desirable. So, wanting the premise that reduces ground wire noise is the impedance that reduces ground wire.   One, foreword   The change that capacitance sensor is the blame n that will be measured changes a kind of sensor that changes for capacitance, it can measure the…

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The drive of analytic MEMS gyroscope and express feeling and working principle

The drive of analytic MEMS gyroscope and express feeling and working principle

[introduction] traditional gyroscope basically is to use principle of angular momentum conservation, accordingly it basically is the object of a ceaseless roll, its runner shaft is pointed to do not follow bear the weight of the whirl of its bracket and change.   Traditional gyroscope basically is to use principle of angular momentum conservation, accordingly it basically is the object of a ceaseless roll, its runner shaft is pointed to do not follow bear the weight of the whirl of…

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How to distinguish imitate power source, switch power source, number power source?

How to distinguish imitate power source, switch power source, number power source?

[introduction] how do we choose power source module in power source design, so the premise of the choice is, we must know all sorts of power source, understand the distinction of all sorts of power source, in that way we just can choose power source module correctly.   How do we choose power source module in power source design, so the premise of the choice is, we must know all sorts of power source, understand the distinction of all sorts…

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4 trillion exceed high-definition video to plan, make up decipher market how to borrow wind

4 trillion exceed high-definition video to plan, make up decipher market how to borrow wind

[introduction] on March 1, the print and distribute such as ministry of national industry letter ” operation of development of estate of freeboard clear video plans (2019-2022 year) ” , put forward clearly to promote our country Information Industry and promotion of actual strength of culture industry whole, according to the overall technology course of 8K” of “4K go ahead of the rest, give attention to two or morethings, press the application of industry of freeboard clear video and relevant…

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Sum up method of 3 kinds of commonly used ground connection in circuit design

Sum up method of 3 kinds of commonly used ground connection in circuit design

[introduction] ground wire also has impedance, when electric current has shed ground wire, can produce tension, this is noise voltage, and one of interference sources that noise voltage is influence system stability, not desirable. So, wanting the premise that reduces ground wire noise is the impedance that reduces ground wire.   Ground wire also has impedance, when electric current has shed ground wire, can produce tension, this is noise voltage, and one of interference sources that noise voltage is influence…

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The development of miniature sensor and the application in car domain

The development of miniature sensor and the application in car domain

[introduction] the target that safe, comfortable, free from contamination, economy is auto industry and user pursuit all the time. The electron that realizes the key of these targets to depend on a car is changed and intelligence is changed, precondition is all sorts of information is seasonable get, this certainly will asks to use all sorts of sensor in great quantities in the car.   Safe, comfortable, free from contamination, economy is auto industry and the objective that the user…

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Detailed solves clock of large much GHz to cultivate medium phasic deviation

Detailed solves clock of large much GHz to cultivate medium phasic deviation

[introduction] the transmission line that large clock tree uses a variety of types, span many circuit board and many coaxial cable, adopt way of many clock parts of an apparatus by the circumstance of clock signal not scarce. Although use optimal practice method, in these medium any one kind may bring the phasic deviation that is more than 10 Ps.   Brief introduction Large clock establishs the transmission line that uses a variety of types, span many circuit board and…

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Analytic stick an inductance invalidation reason

Analytic stick an inductance invalidation reason

[introduction] stick an inductance invalidation reason to basically be behaved in 5 respects, it is to be able to bear or endure respectively solder sex, solderability, solder undesirable, on the damaged of chance open a way, magnetic circuit invalidation that bring about, below put up with made an explanation this at 5 o’clock.   Stick an inductance invalidation reason to basically be behaved in 5 respects, it is to be able to bear or endure respectively solder sex, solderability, solder…

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Magnetic sensor realizes electric machinery to control positional feedback

Magnetic sensor realizes electric machinery to control positional feedback

[introduction] the main feedback system that article key introduction is based on switch of Huo Er effect, provide the specification that asks about general job principle and sensor, revealed Ying Feiling BLDC to use switch of effect of special Huo Er.   Graph the 1 the simplest application give a demonstration that showed switch of suddenly Er effect feedbacks. Sensor of 3 suddenly Er is separated by 120° photo corner, spark through rotor magnet. Every 60° obtains these sensor a…

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