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The challenge facing companies developing medical diagnostic equipment is to provide consumers with high-quality and affordable products. In terms of reducing medical costs and improving patient care ...[Details]
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1 Introduction
This paper aims to study the MPEG-4 video decoding technology based on arm microprocessor, which is mainly used in handheld mobile devices. The choice of processor is the key to...[Details]
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On the evening of November 16, Laier Technology announced that the company plans to acquire Foshan Dawei’s equity through equity transfer and capital increase with its own funds, with a total transac...[Details]
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Blood oxygen saturation, electrocardiogram, blood pressure and respiratory rate are measurements that were limited to monitoring devices in hospitals in the past. Monitoring these parameters is key...[Details]
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引 言 步进电机是一种将电脉冲信号转换为角位移的执行机构。其主要优点是有较高的定位精度，无位置累积误差；特有的开环运行机制，与闭环控制系统相比降低了系统成本，提高了可靠性，在数控领域得到了广泛的应用。但是，步进电机在低速运行时的振动、噪声大，在步进电机的自然振荡频率附近运行时易产生共振，且输出转矩随着步进电机的转速升高而下降，这些缺点限制了步进电机的应用范围。步进电机的性能在很...[Details]
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1-8-3-5. Advantages and disadvantages of full-bridge transformer switching power supply The full-bridge transformer switching power supply is the same as the push-pull transformer switching power sup...[Details]
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1. Why does the 51 microcontroller prefer to use 11.0592MHZ crystal oscillator? First, because it can accurately divide the red clock frequency, which is related to the baud rate commonly used in UAR...[Details]
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At present, switching converters with power factor correction function are usually divided into two types: two-stage structure and single-stage structure. The two-stage structure circuit has good p...[Details]
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Jiwei.com reported on December 2 that today, Xiaomi founder, chairman and CEO Lei Jun announced the unboxing photos of Snapdragon 888 on Weibo, and the code name SM8350 can be seen printed on the chi...[Details]
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At present, the "new infrastructure" is leading the construction of 5G base stations. The three major operators are rapidly promoting the second phase of bidding for the procurement of 5G network mai...[Details]
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Scientists at the U.S. Department of Energy’s Argonne National Laboratory have created and tested a single-crystal electrode that could lead to important discoveries for advanced batteries being deve...[Details]
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Since a large number of perception sensors (cameras, lidars, and millimeter-wave radars) are used in cars, these sensors pass through the entire body of the car and must meet the requirements of high...[Details]
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Recently, Shenzhen South Circuit said during a research visit that the company's main raw materials include copper clad laminates, prepregs, copper foils, gold salts, inks, etc., involving a wide ran...[Details]
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RF Multilayer and In-house PCB Prototyping Multilayer RF circuit board sample production Processing Rogers bonding materials with LPKF prototyping equipment LPKF Prototyping Equipment Processin...[Details]
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CAN bus (Controller Area Network) is a communication protocol used in the field of automobile and industrial automation. It has the characteristics of high reliability, real-time and flexibility. H...[Details]
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