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In most people's opinion, a company doing network security must have a very high level of security, which can protect itself from attacks from the Internet. Is this true? In fact, they may still be a...[Details]
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In the process industry, level is known as one of the four major thermal parameters along with temperature, pressure and flow. Unlike a level meter, a level switch is an electronic component that c...[Details]
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Ahead of the flagship product launch later this week, Keysight Technologies automotive strategist Bill McKinley offers his thoughts on autonomous driving and the rapidly changing connected and autono...[Details]
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虽然进行精确的高速示波器测量可能具有挑战性,但是运用一些简单提示和技巧可以显著改善测量结果。本文收集了一些容易实施的方法,可以确保您的每次时域测量都能够快速准确地得到结果。尽管其中有些方法看上去很基本,然而令人感到惊讶的是,它们却常常被人们忽略。
带宽
为了精确地测量频率响应和快速上升沿,示波器和探头必须具有足够的带宽。一个好的经验规则是示波器和探头(探头也有带宽限制)的...[Details]
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The growth of portable technology has led to an increased reliance on portable devices such as cell phones, PDAs, and navigation systems. The design and development of large-capacity memory devices ha...[Details]
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Introduction: A low-value resistance meter with a range from 0.001ohm to 1.999ohm. Ordinary multimeters cannot measure such small resistances. The circuit uses two independent power supplies, one for...[Details]
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Introduction
DFT (Discrete Fourier Transformation) is an important transformation tool in digital signal analysis and processing such as graphics, speech and images.
The amount of cal...[Details]
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According to IT Home on May 24, Xiaomi's new generation digital flagship Xiaomi 13 series is expected to be released at the end of this year. There is not much news about the new phone at prese...[Details]
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LED light strips are LEDs assembled on a strip-shaped FPC (flexible circuit board) or PCB hard board. They are named because their shape resembles a strip. They are gradually emerging in various ...[Details]
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1. Starting, self-locking and stopping control and circuit
Start, self-lock and stop control are the basic control functions of PLC. Start, self-lock and stop control can be realized by drive ...[Details]
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LabVIEW is a virtual instrument platform developed by National Instruments. It is a development tool that uses icon codes instead of text-based programming languages. It completes the host computer pr...[Details]
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01 Limiting filter method/Program judgment filter method
A. Methods:
Based on experience, determine the maximum deviation allowed for two samples (set as A)
Every time a new value is...[Details]
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Preface Learning PIC microcontroller design, in addition to theoretical learning, mainly relies on practice. Learning without practice is just empty talk. Here we use the following low-cost exper...[Details]
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The row direction of the circuit is scanned by ports P0 and P2. Since port P0 has no pull-up resistor, a 4.7k*8 resistor is connected to pull it up. If there is no resistor, 8 ordinary 4.7k 1...[Details]
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The ARM processor startup process involves three aspects of knowledge:
Startup method
Address layout
Start the process
The boot process of the S3c2440 ARM ...[Details]