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Abstract: Based on the optical principle of measuring the vertex power (d) of eyeglass lenses by a focal meter, this paper analyzes the source of measurement error and gives a correction method. Sinc...[Details]
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The recent dispute between Luo Yonghao and investors has attracted a lot of attention, but Luo Yonghao still keeps a low profile and simply responded to the matter, and still did not disclose any inf...[Details]
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Silicon Labs Launches Ultra-Small BB50 MCU to Reduce Development Cost and Complexity
New member of BB5 MCU family is ideal for tiny, battery-optimized devices
Beijing,...[Details]
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On the 26th of this month, MWC19 Shanghai will officially kick off at the Shanghai New International Expo Center. With the theme of "Intelligently Connecting Everything", this conference will explor...[Details]
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LED
is called the fourth generation lighting source or green light source. It has the characteristics of energy saving, environmental protection, long life and small size. It can be widely us...[Details]
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China Energy Storage Network:
In Germany, the birthplace of energy internet, virtual power plants have been built. Perhaps the best business model for demand side in the future is virtual pow...[Details]
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Helmet-Mounted Displays (HMD) were first proposed by Ivan Sutherland of Harvard University in 1968, and he designed a helmet-mounted display called the Sword of Damocles that applied CRT. After 3...[Details]
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1. Working principle
Compared with the single-phase half-wave rectifier circuit in Figure 2-3, the bridge rectifier circuit in Figure 2-6 also utilizes the negative half-wave...[Details]
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In recent years, with
the continuous development of
LED
technology, high-
power
semiconductor lighting
devices have developed rapidly in recent years, especially the whit...[Details]
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The Star® lighting control system is officially released, and OSRAM creates an integrated intelligent light environment July 7, 2021, Shanghai - OSRAM launched the Star® integrated interconnected l...[Details]
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What kind of motor can foc control
FOC (Field Oriented Control) is a high-performance motor speed regulation technology suitable for permanent magnet synchronous motors (PMSM), induction motor...[Details]
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LabVIEW provides several different file formats for data storage in the test and measurement industry. Let’s first introduce the LVM format .
LVM (LabVIEW Measurement File) is g...[Details]
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Due to the current
limitations of
high-power LEDs
in
terms of
luminous flux
, conversion efficiency and cost, the short-term application of high-
power
white light LEDs
i...[Details]
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51Assembly ;On-chip RAM initialization subroutine IBCLR:MOVA,R0 MOVR1,A CLRA IBC1:MOV@R1,A INCR1 DJNZR7,IBC1 RIGHT ;Off-chip RAM initialization subroutine EBCLR1:MOVA,ADDPL MOVDPL,A MOVA,ADDP...[Details]
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The content of this article mainly focuses on the connotation, function, scale, perspective and data source of autonomous driving vehicle testing scenarios.
01. Scenario elements and sce...[Details]