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Due to various reasons, buses always repeat the process of acceleration-deceleration or parking-reacceleration. By installing this energy-saving device, when the car needs to brake, under the contr...[Details]
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Following the trend of electrification, autonomous driving is becoming a new focus of differentiated competition among automakers. By 2030, the penetration rate of L2 and L3 smart cars in my countr...[Details]
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What is overmodulation?
Usually, the SVPWM we use is in the white inner circle in the figure above, and the output phase voltage amplitude can reach Vdc/sqrt(3). This area is called the ...[Details]
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It is required to use MCS-51 microcontroller to sort data. 1. Sort the 8 data in ascending order; 2. The data to be sorted is stored in the internal data memory address units 30H-37H, which are 34H, ...[Details]
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At present, the most commonly used LED dimming power supplies are: LED thyristor dimming power supplies, LED 0/1-10V dimming power supplies, and PWM dimming power supplies. Other dimming working prin...[Details]
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National Energy Technology No. 26
Energy Bureaus of all provinces (autonomous regions, and municipalities directly under the Central Government), Development and Reform Commissions, competent...[Details]
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In order to thoroughly study and implement the spirit of General Secretary Xi Jinping's important speech at the meeting of the Standing Committee of the Political Bureau of the CPC Central Committe...[Details]
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The battery life of a portable speaker with a built-in battery is an important consideration. Now the output power is getting bigger and bigger, because power is an important prerequisite for ensur...[Details]
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The circuit diagram is as follows: The microcontroller source program is as follows: /* Accepting button description: -------------------------------------------------- | 1 | 2 ...[Details]
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Gamma (γ) matching is actually half of the T-shaped matching, which is suitable for connecting with 50Ω coaxial cable and is a very convenient matching method. The larger the ratio of d1＞d2, the wi...[Details]
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0 Introduction
SNMP (Simple Network Management Protocol) is widely used and powerful. As long as the management software has MIB (Management Information Base) and has appropriate permissions,...[Details]
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On May 3, Tianfeng International released its latest Apple analysis article, predicting that Apple will launch an 8-inch QHD+ OLED foldable screen iPhone in 2023. Samsung Display will exclusively pro...[Details]
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Frequency modulation (FM) receivers have been used in high-fidelity music and voice broadcasting for many years. They provide excellent sound quality, signal stability and noise immunity. Recently, FM...[Details]
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At a time when global carbon neutrality is irreversible, the new energy vehicle industry is experiencing vigorous development. A research report released by CICC shows that global new energy vehicle ...[Details]
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DDS is the abbreviation of Direct Digital Synthesis (Direct Digital Synthesis) technology. It is a new frequency synthesis technology that has emerged with the rapid development of digital integrated...[Details]
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