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Faced with the "changing situation" of the overseas energy storage industry this year, many domestic companies can't help but scratch their heads. As a high-tech industry that focuses on offline in...[Details]
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On the website of the Bluetooth certification organization, a batch of devices called Huawei/Honor Smart Screen appeared on August 30. The series covers five models, namely HEGE, OSCA-550, OS...[Details]
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The obvious characteristics of the development of modern advanced aviation weapons and equipment are good performance, strong functions, small batches, multiple varieties, high technical content, and ...[Details]
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PLL (phase-locked loop) frequency synthesis completes frequency addition, subtraction, multiplication and division operations through a phase-locked loop. This method has a simple structure, i...[Details]
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1 Introduction
Phase failure and phase sequence protection is an indispensable part of the AC motor starting equipment in high-power three-phase AC motors and irreversible transmission equ...[Details]
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In order to meet the requirement of long communication distance, modern military and civilian ultra-short wave communication radio stations have large RF power output. The RF power amplifier gene...[Details]
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不可否认,如果将
led
技术与节能灯或荧光灯相比的话,节省的能量成本并不显著。但换个角度看,如果考虑到维护成本,例如更换仓库高高的天花板、繁忙的工厂大厅、购物中心或者难以接近的信号系统等所使用的照明灯所产生的人工成本,很明显要大大高于能量成本。如果确保正常冷却或者结温的温度控制在80°C以下,
LED灯
的寿命可以轻松达到100,000小时。这相当于连续工作12年以...[Details]
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The MAX5913A/MAX5914A are quad hot-swap controllers. The MAX5913A/MAX5914A independently control four external n-channel switches to hot-swap system loads from a single VCC supply line. These devices ...[Details]
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Abstract: This article introduces the expert system used to evaluate the actual operations of operators in simulation training equipment. This system is based on the expert knowledge base of typ...[Details]
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A new round of competition to expand power battery production continues. According to incomplete statistics from Gasgoo, in the second quarter of 2021, power battery companies represented by CATL,...[Details]
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1. Install STVD and download it from ST's official website. STVD only supports assembly language development. C language development requires the installation of the COSMIC C compiler, which is dow...[Details]
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Table of contents
1. ECG signal preprocessing
2. Feature extraction of ECG signals
3. Summary
4. More related resources
The electrocardiogram is a technique for recording the ...[Details]
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Features of high-low-high frequency converter
It is named after the low-voltage or general-purpose inverter is applied in medium- and high-voltage environments by using the step-down transform...[Details]
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In portable
electronic
devices (typically MP3 players), only one or two batteries are often used for power supply. In such
circuit
systems, when it is desired to use
an integrated c...[Details]
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Stock code: 600157 Stock abbreviation: Yongtai Energy The board of directors and all directors of the company guarantee that there are no false records, misleading statements or major omissions in the...[Details]