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At the beginning of this year, Jiwei.com counted the IPOs of mobile phone and semiconductor industry chain companies in 2020. Overall, due to the impact of the epidemic, the number of companies submi...[Details]
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1 Introduction
Generally speaking, most physical processes are complex, highly nonlinear, susceptible to external interference, and have great unknowability. It is very difficult to use tr...[Details]
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As the year comes to an end, the lithium battery industry is booming, and lithium battery concept stocks have repeatedly bucked the trend. In the past three trading days, four stocks in the lithium...[Details]
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1. What principle does our variable frequency power supply adopt?
Switching type SPWM modulation inverter.
2. What is the power capacity of our variable frequency power supply?
The standard p...[Details]
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Most inverters on the market use inverter modules such as UPs and UPKs. The input DC power supply is mostly 12V, the overall price is relatively high, and the output waveform is a square wave. The inp...[Details]
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To improve system reliability and reduce warranty costs, designers add fault protection circuits to power devices to prevent device failures and avoid costly damage to electronic systems. This is...[Details]
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1 Introduction
All-optical network (AON) means that the signal in the network does not need electrical/optical and optical/electrical conversion, and always exists in the form of light during ...[Details]
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5G is the latest generation of network technology, with speeds exceeding 1Gbps and expected to reach 10Gbps in the future. However, 5G cannot function in ground-to-space communications, as curr...[Details]
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High-power, high-brightness power LED is a green and environmentally friendly light source with high efficiency, energy saving and long luminous life. It is driven by adjusting the current flowing...[Details]
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Recently, Shouhang New Energy's photovoltaic grid-connected inverter was the first to obtain the new version of AS/NZS4777.2 certification and was successfully listed in the Australian CEC on July ...[Details]
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With the continuous advancement of technology, domestic mobile phones have made great progress in both product quality and product design. At the same time, domestic mobile phones also have their own...[Details]
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1 Overview
About 65% of traffic accident injuries occur to vulnerable road users. Pedestrians, as a vulnerable group among road users, are a high-risk group in traffic accidents, with ...[Details]
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This article mainly talks about the clock configuration of STM32 M0. Let's first look at the clock tree of the M0 core (stm32f072) As can be seen from the figure, the M0 chip has 4 clock sources, a...[Details]
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In the field of radar research, the start-up company NPS (Neural Propulsion Systems) uses mathematical breakthroughs to make radar see faster, farther, and clearer. Dr. Behrooz Rezvani, founder and...[Details]
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Industrial control cabinet is a kind of equipment used in industrial automation control system, which has multiple functions and effects.
Centralized control function
The core f...[Details]