Green Electronic Tutorial

Warm hint: this article has  2000 and  reading time is about 10 minutes. -- Mar..19,2018 Article core Face Detection，A Powerful Technology That Can Capture the Driver's Emotions Keyword Intelligent recognition,sensor,camera,face detection Category Intelligent technology Guidance NEC 5 years, the United States Groupon, the United States Google 2 years Sun Xiaoming, and hundreds of graduates from high level institutions of professional artificial intelligence research and development talent. According to SPS official news, the AI-SAAS 3315 plan will be officially announced in March 15, 2018. And the technology to capture face recognition will be online in 2018. Intelligent recognition technology is an important turning point in the development of intelligent technology, which means that China's intelligent technology will move to a new height. At this rate of development, perhaps the future scene that was once in a science fiction film... Face Detection，A Powerful Technology That

Page Introduction Classification PCB Pollution,PCB Design Keyword PCB Pollution,PCB Design, , PCB Pollution Sources, PCB pollution prevention  Article core PCB Pollution Effects and its prevention Catalogs Catalogs I.What is PCB Pollution II.PCB Pollution Sources Copper pollution Organic compound pollution Ammonia nitrogen pollution Other pollutants pollution III.How to Govern the waste water of PCB board design Waste water distributary Three basic properties of the PCB pollution prevention Reuse the Waste water IV.Relevant information about "PCB Pollution Effects and its prevention" Text I.What is PCB Pollution Polychlorinated biphenyls (PCB), also known as chlorinated biphenyl, are a class of synthetic organic compounds, a kind of chloride formed by the substitution of hydrogen atoms on the biphenyl ring as chlorine. Polychlorinated biphenyls are widely used in industry and have caused global environmental pollution problems. Polychlorinated biphenyls produced in production

Page Introduction Classification PCB Design Keyword pcb design issue, pcb board, pcb,pcb design tutorial,pcb design knowledge Article core Common PCB Design Issues and Solutions for Circuit Board Novice Catalogs Catalogs I.High speed PCB design, the distribution of copper in multiple signal layers in the distribution of grounding and power supply II.Two commonly referred characteristic impedance formulas   III.Can the testing point in high density PCB automatically generate test points by software can meet the requirements of mass production in general? IV.Effects of adding test points on high speed signal quality V.A system composed of several PCB, the connection between the ground lines of each board VI.The signal lines on the power plane can use the microstrip line model to calculate the characteristic impedance; the signal between the power and the ground plane can also be calculated using a strip line model VII.The selection principle of ground point for PCB and shell VIII. Based

Page Introduction C lassification PCB Design Keyword pcb design issue, pcb board, pcb,pcb design tutorial Article core Common PCB Design Issues and Solutions for Circuit Board Novice Catalogs Catalogs I. How to select a PCB plate II.Avoid high frequency interference III.Implementation of differential distribution lines IV.The wiring of the difference pair should be close and parallel V.A clock signal line with only one output terminal can not achieve a differential distribution line VI.Add a matching resistance between the receiver differential line pairs VII.signal integrity of high speed PCB design VIII.Solving the contradiction between manual wiring and automatic wiring of high speed signal IX.Solution of some theoretical conflicts in actual wiring X.About test coupon XI.Relevant information about "Common PCB Design Issues and Solutions for Circuit Board Novice(Part Two)" Text I.How to select a PCB plate The selection of PCB plate must be balanced between the design requir