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As a wireless broadband metropolitan area network standard, WiMAX technology has greater advantages than previous 3.5GHz MMDS products in terms of non-line-of-sight transmission and spectrum utiliz...[Details]
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Traditional
virtual instruments
consist of a data acquisition
board
based on PCI bus and
corresponding software. However, with
the rapid development of
computer
network techno...[Details]
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Among the uses of electrical energy, lighting accounts for a considerable proportion. Compared with the earlier ordinary incandescent lamps, the fluorescent lamps and energy-saving lamps we commonl...[Details]
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Movpower is a portable power bank. It can charge most mobile phones and digital products, such as digital cameras, PDAs, and mobile phones such as Apple, iPod, Blackberry, Motorola, Samsung, Nokia,...[Details]
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1 Introduction
Lijia'an Yellow River Diversion Culvert is a large gravity diversion gate in the lower reaches of the Yellow River. The Yellow River Diversion Culvert is located in Lijia'an Vi...[Details]
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New Automobile
Hydraulic Clutch
The hydraulic control system uses almost 100% advanced engineering plastics, which overcomes the shortcomings of the main and branch cylinders of metal clutc...[Details]
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Various electronic and electromagnetic interference inside and outside the car often puts automotive electronic equipment in dangerous working conditions, degrading the performance of electronic eq...[Details]
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An intelligent vehicle is a robot that can automatically drive in an environment according to a pre-set mode, or it can autonomously perform specific operations according to the on-site situation. ...[Details]
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The circuit has overcharge protection, over-discharge protection, over-current protection and short-circuit protection functions. Its working principle is analyzed as follows:
1 Normal state
...[Details]
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1. Self-test of lithium battery capacity
The nominal capacity of the CECT9898 OEM mobile phone lithium battery is 3800mAh, and its battery volume is comparable to the 1500mAh battery of ot...[Details]
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In the microwave field, frequency synthesizers are the core components of measuring instruments. High-performance measuring instruments need to have large bandwidth, high resolution and low phase nois...[Details]
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1. Introduction
The novel bidirectional high-frequency link inverter has the advantages of bidirectional power flow, high-frequency electrical isolation, simple topology, and two-stage po...[Details]
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As test engineers, we have to deal with the complex testing of Electronic Control Units (ECUs) before assembly. In this short article, I will try to make you more aware of the various applications ...[Details]
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Transformer burnout is usually caused by excessive temperature rise or insulation damage. The low temperature before burning does not mean that the local temperature is not high. Transformer overlo...[Details]
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Abstract: Fiber optic communication is the main communication mode of data communication system nowadays, and its performance directly affects the quality of data communication system. This paper u...[Details]
Embedded System
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