I'm a newbie looking for the solution to Problem A of the 2013 National Competition. I'm preparing to do Problem A of 2013 and would like to get some relevant information. Thank you very much....
[color=#2346][font=Arial, Helvetica, sans-serif][size=12px]According to a recent report by the British Daily Mail, a new Spanish study shows that LED energy-saving lamps may cause damage to people's e...
[b][size=4]The microcontroller I chose is the enhanced C51 series 80C552 microcontroller. I want to use its built-in PWM to generate square wave signal pulses. What circuits should be involved? It wou...
load1 0x00000000 { run1 0x00000000 { ******** } } load2 0x00000800 { run2 0x30000000 { ******** } } I defined 2 load regions, starting from 0 and 2048 respectively. The run address of region 1 is 0x00...
Question: I need to connect the 9B96 development board to the computer via USB, and it will appear as a large-capacity storage device in the computer (although it only has a few hundred KB capacity). ...
[i=s]This post was last edited by qdsantian on 2015-2-27 17:10[/i] [img=500,256]http://bbs.cmiw.cn/data/attachment/forum/201502/13/191252z7s0pm6zp7maea37.jpg[/img] The problem is solved, thank you eve...
Digital-to-analog converters (ADCs) provide the critical conversion of analog signals to digital signals in many systems. They perform amplitude quantization of an analog input signal to a binary fini...[Details]
To ensure the success of China's TD-SCDMA network commercialization, operators and equipment suppliers need to conduct a large number of tests on networked equipment, among which RF testing is...[Details]
Engineers who are new to wireless design and wireless product development need to master the basics of
RF measurement
. In many cases, this process is to enable engineers who have been engag...[Details]
Semiconductor devices used in high-end computing (advanced microprocessors) and consumer electronics (graphics and gaming chipsets) devices generally provide data rates up to 6.4Gbps through hig...[Details]
Introduction
High voltage power supply is an indispensable part of nuclear radiation detection instrument, which supplies high voltage to nuclear radiation detection devices (such as prop...[Details]
introduction
Every friend who has been in contact with PC since the 286 era must have deeply experienced the convenience brought to our lives and work by the leaps and bounds of comput...[Details]
0 Introduction
Implantable medical devices can be divided into two types: passive and active. Most passive implantable medical devices are non-electronic products, such as contact lenses, hear...[Details]
Introduction
DFT (Discrete Fourier Transformation) is an important transformation tool for digital signal analysis and processing such as graphics, speech and images.
The amount of calcula...[Details]
0 Introduction
GaAs photocathode is a negative electron affinity photocathode with the advantages of high quantum efficiency, concentrated energy and angle distribution of emitted electrons. T...[Details]
Currently, there are huge differences in market analysis statistics for high-brightness LEDs (light-emitting diodes). Despite the divergence of forecasts, one trend is clear: the high-brightness (H...[Details]
Electrochemical Principles of Blood Glucose Measurement
The electro-biochemical principle of blood glucose measurement is that when a certain voltage is applied to the blood after the enzy...[Details]
After being widely adopted in applications such as backlighting of portable products with small and medium-sized screens, light-emitting diodes (LEDs) have entered the field of general lighting in ...[Details]
Biometric authentication technology replaces the traditional methods of using keys, ID cards, passwords, etc. for personal identification, and can be widely used in access management in bank...[Details]
Broadcom Corporation announced that its integrated digital TV system-on-chip (SoC) solution, the BCM3549, has been selected by LG Electronics for use in two new broadband high-definition television...[Details]
0 Introduction
With the development of society, people's awareness of medical care is getting stronger and stronger, so the training of doctors has become a very important link. Although m...[Details]