It is like this, my 2440 application calls this sleep function, and it is very inaccurate. The effect of sleep(500) is the same as that of sleep(100), that is, the time is faster. But another 5.0 BSP ...
Hi everyone, I have two PNDs, one is CE 4.2 and the other is CE 5.0. When I use IE to open HTML files, all PNG format images cannot be displayed. I checked the relevant information and it mentioned th...
For beginners of computer organization principles, Dai Mei'e's "Microcomputer Technology and Applications" is very good. Unfortunately, it uses 8086, 80386, and Pentium processors as examples. I wonde...
1. The generation and phenomenon of Karman vortex street To illustrate the generation of Karman vortex street, let us consider the flow of viscous fluid around a cylinder. When the fluid velocity is v...
I am using an active crystal oscillator to generate a 10M signal. The crystal oscillator I bought is rated at ±0.5ppm. I measured the frequency deviation of the crystal oscillator alone and it was abo...
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Abstract
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RFID technology will be ubiquitous in the future, and there is no doubt about it, because it brings convenience and timeliness to people, which means efficiency and...[Details]
Human body information monitoring is an emerging field. People envision developing wireless electroencephalogram (EEG) monitoring equipment to diagnose epilepsy patients. Wearable wireless EEG can ...[Details]
Keeping the heart environment compact and warm is beneficial in most cases, but it’s another story for electronic heart scanners. When GE Healthcare was designing a scanner that was said to be the fas...[Details]
As the price of readers and tags decreases and the global market expands, the application of radio frequency identification (RFID) is increasing day by day. Tags can be powered by readers (passive ...[Details]
1 Introduction
In the current test field, the correlation detection method is increasingly widely used for filtering. Correlation filtering can easily separate a signal of a specific frequency...[Details]
Signal sources have developed to a very wide range today. We can classify them according to the frequency range: ultra-low frequency (0.1m～1kHz), audio (20Hz～20kHz), video (20kHz～10MHz), radio fre...[Details]
Chapter 1 Proposal
Endless salespeople interrupt your normal work schedule;
Employees leave their work stations without permission during working hours;
Unauthorized persons ente...[Details]
1 Introduction
The compression (tension) machine is a machine used to test the strength of building materials and certain products. It is divided into two types according to the working mo...[Details]
The dual-field-of-view infrared optical system can simultaneously provide two images with different magnifications and fields of view. The large field of view in the system has a lower resolution a...[Details]
introduction
In simple single-chip microcomputer application systems, the foreground/background system is widely used. The application is an infinite loop, in which the corresponding funct...[Details]
0 Introduction
A cochlear implant is an electronic device that helps patients with sensory hearing loss restore their hearing. It converts external sounds into electrical stimulation requi...[Details]
1 Introduction
Heat flow, also known as heat flux density, refers to the amount of heat (vector) transferred per unit area per unit time. Its characterization is the amount of heat transfe...[Details]
0 Introduction
Digital filter is a digital system used to filter discrete time signals. It achieves the purpose of frequency domain filtering by mathematically processing the sampled data....[Details]
0 Introduction
At present, since the testing of photosensitive devices is mostly done manually, not only is the testing efficiency low, but the accuracy of the testing process and the reli...[Details]
Efficient use of electrical energy can reduce the cost of household appliances and protect the environment. Most household appliances, such as refrigerators, washing machines, dryers, dishwashers, ...[Details]
Embedded System
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