Based on the wave equation linearization model, the mathematical problem of synthetic aperture imaging is considered. For the data obtained on the two-dimensional surface to reconstruct the three-dime...
Use the function with parameters to complete the delayed on and off of the light emitting diode. #include
#define unit unsigned int sbit led1=P1^0; void delayms(uint); void main() { while(1) { led1=0;...
Global industrial technological innovation is on the rise. Whether it is Germany's "Industry 4.0", the United States' "National Strategic Plan for Advanced Manufacturing", or China's "Made in China 20...
Friends who like DIY must have encountered this situation. If you want to make something, you have capacitors and resistors ready. However, you may encounter some troubles in the process of purchasing...
I just downloaded the sensorile mpy firmware from D. The light was on and off normally when I ran it for the first time, but it doesn't work now. The problem is as followsThere is no error message, bu...
Printed circuit boards ( PCBs
)
are used in most electrical products
. If a PCB has low
insulation resistance
(IR), the performance of the circuits on the PCB will be greatly reduced...[Details]
Introduction
Nowadays, people pay more and more attention to the security alarm system, and people have higher and higher requirements for the functions and performance of the alarm. This paper prop...[Details]
With the rapid development of cities and the improvement of citizens' living standards, the number of various vehicles in cities is growing, and the demand for parking spaces in major commercial an...[Details]
1 Introduction
Ultrasound refers to elastic vibration with a frequency higher than the audible frequency limit (i.e., in the frequency band above 20 kHz). The propagation process of this vib...[Details]
Electric bicycles have long been a means of transportation for lower-income groups due to their affordability. The largest concentrated expense in the use of electric vehicles is the cost of replac...[Details]
Power supply is often the most easily overlooked link in the circuit design process. In fact, as an excellent design, power supply design should be very important, which greatly affects the perfor...[Details]
DigRF
is
poised to replace the two main forms of data communication paths between RF and baseband semiconductor devices:
analog
signaling, and proprietary digital signaling (paralle...[Details]
1. Introduction
With the rapid development of computer technology, communication technology, and integrated circuit technology, the large-scale application of field control instruments and equ...[Details]
introduction
In the late 1990s, due to the great safety issues of liquid cobalt lithium-ion batteries, people studied and developed polymer lithium-ion batteries. In addition to the performanc...[Details]
Background
The proliferation of ultra-low-power wireless sensor nodes for measurement and control purposes, combined with new energy harvesting techniques, has made it possible to create ful...[Details]
1 Introduction
In order to realize intelligent electronic counting and frequency measurement and realize a wide-range, high-precision frequency meter, an effective method is to use a single-chip m...[Details]
With the development of modern science and technology, the demand for information is constantly increasing. Satellite navigation and positioning systems have received much attention, and their applica...[Details]
1. Introduction
Power flow calculation is the basis for studying steady-state problems of power systems. Since the application of computers to calculate power flow distribution in power sy...[Details]
1 Introduction
Microwaves use their unique functions to develop new technologies in the application field, including microwave communication, microwave measurement, microwave heating and other...[Details]