SNRindB1=0:10; SNRindB2=0:0.1:10;%Set different SNR variablesfor i=1:length(SNRindB1), [pb(i)ps(i)]=cm_sm(SNRindB1(i)); end; %Transmit 1000 signals and count the symbol error rate and bit error rate u...
The high surge current of ED lamps has become a concern in the lighting industry. Surge current refers to the input current that enters the LED lamp in a very short period of time. During the power-on...
[size=4] In digital signal processing implemented by dedicated hardware or computer software, the relevant parameters and the results of the operation process are stored in storage units with a finite...
Headhunting Position [Guangzhou] Job Responsibilities: 1. Responsible for the hardware schematic design of lighting products with intelligent control, PCB Layout, and writing and debugging of underlyi...
When using jtag to download jic files, an error occurs. After checking the hardware circuit, the circuit and soldering are correct. Is the configuration chip broken? Or is there another reason? The co...
I am a beginner of MSP430 and just got in touch with this microcontroller. I have learned 51 microcontrollers before and know a little about Lingyang's 16-bit microcontrollers. Now I have this microco...
A single-chip microcomputer is also called a single-chip microcontroller. It is not a chip that completes a certain logical function, but a computer system integrated into one chip. In general, a c...[Details]
In
circuit design,
current
measurement
is widely used, and the main fields are divided into three categories: in measurement,
the electric meter
is used to measure the curre...[Details]
The Portable Digital Data Acquisition System (PDDAS) uses LabVIEW Real-Time and PXI to control the wind tunnel test and record air pressure data from 128 different channels.
"The LabVIEW Real-...[Details]
In public places such as schools, government agencies, factories and mines, as well as public corridors in residential areas, the phenomenon of long-burning lights is very common, which causes a h...[Details]
1. Introduction
With the gradual automation and modernization of industrial control systems, fieldbus control systems have received more and more attention and application. CAN bus is currentl...[Details]
From the PIC16F946 datasheet, we know that there are two ways to write values to the LCD for display:
1. Directly write the value to LCDDATA1~LCDDATA23
2. Use disconnect t...[Details]
Instrument stepper motor
The stepper motor is an open-loop control element that converts electrical pulse signals into angular displacement or linear displacement. In the case of non...[Details]
1 Introduction
The Third Steel Plant of Jigang Group is a key investment project of Jigang Group during the "15th Five-Year Plan". It has introduced first-class domestic and foreign advanced eq...[Details]
introduction
MEMS is a high-tech that has flourished on the basis of integrated circuit production technology and dedicated micro-electromechanical processing methods. Pressure sensors develop...[Details]
The rectified DC voltage is then converted back to AC using power electronics such as insulated gate bipolar transistors.
The output voltage is switched on and off at a high frequency, control...[Details]
Since the late 1990s, with the demand for higher system efficiency and lower power consumption, the technological update of telecommunications and data communication equipment has promoted the deve...[Details]
This article will introduce a design method for a distributed control system used in a tracking car, which can perform distributed control of motor modules, sensor modules, and lighting control mod...[Details]
With the rapid development of wireless
digital communication
, more challenges have been raised for integrated circuit design and testing. In the product design stage, in order to ensure
t...[Details]
The launch of Shenzhou IX is imminent, and Tiangong is welcoming visitors again. Yesterday, Professor Fu Qiang, Vice President of the Institute of Science and Industrial Technology of Harbin Instit...[Details]
store
To prevent moisture, LEDs should be stored in a dry and ventilated environment with a storage temperature of -40°C to +100°C and a relative humidity below 85%.
The LED should be use...[Details]