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The report of the 19th National Congress of the Communist Party of China outlined a grand blueprint for achieving the "Two Centenary Goals" and clearly proposed to deepen the reform of state-owned ...[Details]
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Contents The invention relates to the technical field of downhole production testing used in oil exploitation, in particular to a downhole vortex flowmeter for supercritical carbon dioxide with a sma...[Details]
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Environment: The arm development board is ok6410, and the host is Ubuntu10.04 1. Preparation: Use the arm-linux-4.4.1.tar.gz that comes with the CD to extract the cross-compilation tool to the /usr/...[Details]
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The sequential model is the most basic design model in any programming language, and LabVIEW is no exception.
The sequential model is a model that executes everything from the beginning of the progra...[Details]
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The main system consists of a 32-bit multi-layer AHB bus matrix, which can interconnect the following parts: ● Eight master buses: — Cortex™-M4F core I-bus, D-bus and S-bus — DMA1 memory bus — DMA2...[Details]
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The method of aligning the electrical angle phase of a commercial resolver and a servo motor is mainly divided into the following steps:
1. Use a DC power supply to pass a DC current less than...[Details]
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As of the close of April 27, the Shanghai Composite Index was 2815.49 points, up 0.25%, with a turnover of 225.3 billion yuan (the turnover on the previous trading day was 244.1 billion yuan); the Sh...[Details]
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On March 9, Nissan Motor Co., Ltd., Nissan (China) Investment Co., Ltd. (Nissan China) and China Automotive Technology and Research Center Co., Ltd. (CATARC) jointly released the "Research Report on ...[Details]
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Key points Measurement devices used in industrial environments often require isolation to ensure user and system safety, as well as to ensure accurate measurements in the presence of high common-mode...[Details]
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Circuit Function and Advantages
This circuit uses the ADL5902 TruPwr detector to measure the rms signal strength of RF signals with crest factors (peak-to-average ratio) varying over a dynamic...[Details]
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In the early morning of September 11, Apple officially launched three mobile phones: iPhone 11, iPhone 11 Pro and iPhone 11 Pro Max, all equipped with A13 Bionic chips. According to reports, the tw...[Details]
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It is a wise choice to decompose a complex project into multiple small targets or modules. As mentioned above, there are three technical difficulties in porting RTEMS to S3C2440. The first on...[Details]
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Since the outbreak, the whole country has worked hard to effectively control the domestic epidemic. In accordance with the latest deployment of the Central Leading Group for Epidemic Response, we wil...[Details]
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1. Hardware Solution This design is based on a voltage measurement circuit of the STC89C52 single-chip microcomputer. The circuit uses the ADC0832A/D conversion chip to implement the hardware circuit...[Details]
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Wireless
sensor
networks are an emerging research field with huge potential application prospects in many fields such as military, environment, health, family, and business. Wireless senso...[Details]
RF/Wirelessly
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