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Industry sources said that due to the global shortage of mature process capacity, foundry companies such as SMIC and Huahong Group have reduced their capacity support for some IC design companies in ...[Details]
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1 Introduction
Radar echo simulation is of great significance in the design, improvement and finalization of radar systems. AD9856 is an orthogonal digital up-converter produced by ADI...[Details]
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Arsenic contamination of rice is an international problem that endangers human health. Arsenic contamination of rice can be detected by hyperspectral imaging spectrometer . Hyperspectral imaging spect...[Details]
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When designers think about passive components, they think about the production tolerances of inductors and capacitors, which are generally ± 20% or ± 10%. This is true in theory, but not in practic...[Details]
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Among the current defense measures against the spread of thermal runaway, the core is still to discuss cost-effectiveness, at the module and pack levels. The former costs more and requires many measu...[Details]
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ARM exception handling is divided into synchronous and asynchronous exceptions. The following conditions are met for synchronization exception: 1. An exception is generated by directly executing or...[Details]
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Since its introduction, NAND flash memory has had increasing requirements for ECC (error correction code) error correction capabilities. Although this is not a new problem, the ECC error correction...[Details]
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1. Conceptual part of serial communication of AT89S52 microcontroller 2. Registers used in serial communication configuration of AT89S52 microcontroller Basic configuration of ser...[Details]
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As we all know, the general keyboard detection principle of 51 single-chip microcomputer is non-encoded keyboard detection, and there is no circuit chip specifically used to generate key code numbers...[Details]
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This article focuses on the importance of road environment perception to mobile navigation and related technologies.
01Construction
of 3D road geometry model
First of all, the m...[Details]
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1. AVR GCC for AVR I. I/O Port API 1. BV usage: BV(pos); Description: Convert the bit definition into a mask code (MASK). Used together with the bit definition in the header file io.h. For example, ...[Details]
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1. RTC real-time clock characteristics and principles RTC clock source 1. External clock LSE 2. HSE 128-way division 3. Internal LSI RTCCLK is pre-divided by RTC_PRL to obtain TR_CLK. In ...[Details]
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Limitations of bus alarm systems
Since the advent of the bus alarm host, most electronic map software has adopted the method of PC system plus alarm receiving software. This method has t...[Details]
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According to foreign media reports, researchers at the U.S. Department of Energy's Oak Ridge National Laboratory (ORNL) have designed and tested a new wireless charging solution that doubles the powe...[Details]
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The frequency converter is an electrical device used to control the speed of an AC motor. It achieves speed control of the motor by changing the frequency and amplitude of the input power. In pract...[Details]