【Abstract】 In order to design a small-sized, simple-structured, low-cost ultra-wideband high-low frequency nested antenna (high frequency: 1 427-2 690 MHz, low frequency 690-960 MHz), this paper first...
The answer uses current series negative feedback. The answer is compiled from the postgraduate entrance examination materials.
I have a few questions
1. The load is a 50Ω output resistor. Shouldn't vo...
[i=s]This post was last edited by littleshrimp on 2022-5-25 17:03[/i]This time we are going to dismantle the display screens of two Audi cars. One is a 5.8-inch display screen produced by Alpine that ...
The "Download and Comment on the Materials" activity in April has been successfully concluded. Netizens commented on the materials very actively, and everyone's enthusiasm can be felt across the scree...
(1) Resistance measurement range: 10~1KΩ. (2) Inductance measurement range: 100H~10mH. (3) The measured resistance and inductance values can be directly displayed on the DC digital voltmeter. (4) It h...
Today is the last day of 2019. Have all your wishes come true and all your plans completed this year?
It doesn’t matter if it’s not achieved or completed, at least we have tried!
At the end of the yea...
Abstract: The main interference sources and characteristics of the defibrillator test analyzer are analyzed, and the main measures to suppress interference are discussed. Test and analysis prove that...[Details]
On February 28, the Dalian Municipal Party Committee held a meeting to convey and study the important speech of General Secretary Xi Jinping at the 11th collective study session of the Political Burea...[Details]
BlackBerry recently announced that according to statistics from the well-known independent research company Strategy Analytics,
there are currently more than 215 million cars in the world equip...[Details]
The KEA128 chip has 7 groups of IO, PORTA--H has 8 pins in each group, and PORTI has 7 pins, totaling 71 pins. The driving capacity of each pin is 2.5mA, and all pins can be pulled up to VDD intern...[Details]
PIC16F630 Program Download Instructions 1. Connection between PIC16F630 and downloader PIC kit figure 1 figure 2 Connection Instructions: Pin 1 in Figure 2 is connected to pin 2 in Figure 1...[Details]
Duke Energy battery installation. Photo: Duke Energy.
Energy storage is not only being used to address the main challenge facing renewable energy sources such as wind and so...[Details]
0 Introduction
With the development of industry, the scale of industrial sites is getting larger and larger. Several or even dozens of computers complete different industrial measurement or control ...[Details]
Recently, Ruisi Huachuang discussed the relationship between ARHUD, smart transportation and smart cars, and shared its views as follows: The concept of smart transportation was born in the late 19...[Details]
From the perspective of technological innovation, CATL has achieved comprehensive improvements in safety, battery life, fast charging, lifespan, efficiency and low-temperature performance by breaki...[Details]
1 Introduction
The interrupt vector address of the ARM7TDMI system is dynamically allocated in the register of the interrupt vector controller. For example, the EIC_IVR register (interrupt vector ...[Details]
An oscilloscope is an electronic measuring instrument with a wide range of uses. It can transform invisible electrical signals into visible images, making it easier for people to study the changing p...[Details]
As embedded real-time systems become more complex, designers must carefully consider the synergy between hardware and software when defining and analyzing initial system requirements. Designers mus...[Details]
introduction
Due to various reasons, buses always repeat the process of acceleration-deceleration or parking-reacceleration. By installing this energy-saving device, when the car needs to brake, ...[Details]
On December 17, Yingtang Intelligent Control received a letter of concern from the Shenzhen Stock Exchange, requesting additional information on the specific circumstances of Yingmeng Technology’s sh...[Details]
First, declare the task pointer because it will be used later.
//Task pointer.
volatile TASK_TCB* volatile g_pCurrentTask = NULL;
volatile TASK_TCB* volatile g_pCurrentTask1 = NULL;
...[Details]