1. Frame structure comparison
1. Similarities between 4G and 5G
The frame and subframe lengths are both 10ms and 1ms.
Minimum scheduling unit resource: RBDifferences between 2.4G and 5G
1); Subcarrier...
MCU Peripheral Circuit_Lao Wu MCU Practice : https://training.eeworld.com.cn/course/5323Beginners start with the development board + marquee. Although the program runs successfully, they are still con...
As Hikvision products become more and more popular, the technical consulting office now refuses to respond, so I have to ask the experts. In a commercial entity, there are 2 million and 4 million ordi...
On the morning of February 19, a mobilization meeting to break the deadlock and open a new situation to promote high-quality development was held in Huiyang District. Tan Xinghai, He Guobin, Ye Maotin...[Details]
In terms of the cost of LED backlight and traditional CCFL backlight, now that LED backlight technology has become mainstream, it has been recognized by consumers for its advantages such as no merc...[Details]
Following the successful launch of BTN89xx, Infineon Technologies AG has once again launched the new
MOTIX™ BTN99xx (NovalithIC™+)
series of intelligent half-bridge driver integrated chips...[Details]
1 Introduction
Electric bicycles use the electricity generated by batteries as driving energy and electric motors as power. They have the characteristics of no exhaust pollution, "zero emissio...[Details]
An expansion slot is a slot on the motherboard that is used to fix an expansion card and connect it to the system bus. It is also called an expansion slot or expansion slot. An expansion slot is a ...[Details]
Apple announces three new vibrant colors for HomePod mini – yellow, orange and blue – giving users more ways to express their personality and style in any space. Compact and less than 3.5 in...[Details]
The manufacturing characteristics of power electronic power equipment are: many non-standard parts, long design cycle, high cost, low reliability, and heavy workload, while users require the pow...[Details]
Compared with the fragmented Android ecosystem, Apple iOS has always been very friendly to older devices. Until the latest iOS 14, it still insisted on supporting the iPhone 6S series from five years...[Details]
Sulfuric acid storage tanks are important equipment in chemical companies. Due to their large volume, they require high-precision level meters to provide real-time level monitoring data to ensure saf...[Details]
Thyristors are divided into two types: unidirectional thyristors and bidirectional thyristors, both of which have three electrodes. Unidirectional thyristors have a cathode (K), an anode (A), and...[Details]
As a key variable that can work in the "three-side coordination" of source, network and load in the new power system, new energy storage has the advantages of short construction period, fast adjust...[Details]
(Note: This post is applicable to tiny210v2 and NandFlash model: K9GAG08U0F, other models are not supported at the moment_I don’t know if this is considered a clickbait title:) ) It is really good ...[Details]
1.CPU working mode (Mode) ARM CPU has seven modes, as shown in the figure below. Note that you cannot enter other modes in user mode. User mode is used for applications when there is an operating sys...[Details]
1 Introduction
Ground gamma spectroscopy is a nuclear geophysical method that uses a portable gamma spectrometer to directly determine the potassium, uranium, and thorium content in soil and rock...[Details]
Introduction
Heat-sealing bag making is widely used in product packaging, food and medicine packaging and other fields. It has been rapidly developed because it is fast, does not pollu...[Details]
Analogue and Mixed Signal
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