# Calculate time delay using the cross-correlation method#### Assume that the known signal is a Chirp signal with a starting frequency of 250Hz and an ending frequency of 2000Hz, and the received sign...
[i=s]This post was last edited by DDZZ669 on 2021-8-8 17:47[/i]The previous articles introduced the transplantation of uboot and kernel . This article builds the root file system , which is the last s...
[i=s]This post was last edited by MianQi on 2020-12-21 17:32[/i]According to the introduction of the STM32 L5 series, the biggest highlight of this chip is the activation of the M33 core, and the most...
(1) High zinc type (known as "conventional zinc type" abroad):
The zinc content in the oil is ≥ 0.07%. This type is the main type of HM oil at home and abroad. It has the best wear resistance for stee...
STM32WB55 is different. In addition to integrating wireless functions, it is also a rare dual-core MCU. Everyone can think of the benefits of dual-core, but it is not common for MCUs to use dual-core ...
In power MOSFET applications, power loss will cause heat generation, which is mainly composed of conduction loss and switching loss. This is also the area that engineers mainly focus on optimization i...
1 Repeated short circuit test Test Description When the module output is short-circuited under various input and output states, the module should be able to achieve protection or retraction. ...[Details]
Sensor technology is one of the important technologies of modern measurement and
automation
systems. From space development to seabed exploration, from production process control to moder...[Details]
A rotary encoder is an input device that helps the user to interact with a system. It looks more like a radio potentiometerA rotary encoder is an input device that helps the user to interact with a ...[Details]
Wireless Sensor Network WSN (Wireless Sensor Network) is a network composed of sensor nodes that can monitor, sense and collect various information of sensing objects of interest to observers in the ...[Details]
An oscilloscope is a commonly used electronic measuring instrument that can convert electrical signals that are invisible to the naked eye into images for easy observation. When using an oscilloscope...[Details]
WASHINGTON (Reuters) - The U.S. Federal Trade Commission on Thursday objected to Qualcomm's plan to release internal Apple documents in an effort to block enforcement of a ruling in a May antitrust l...[Details]
This article introduces an electronic component that uses temperature sensing to determine the temperature of the equipment and automatically closes or opens the contacts when the temperature excee...[Details]
The filter type can be selected according to the design bandwidth and other indicators of the filter and the specific application occasions. The relative bandwidth below 20% is a narrowband filter, a...[Details]
Recently, some netizens discovered that Nubia Red Magic 5G has been registered with the Ministry of Industry and Information Technology. The model of this phone is NX659J, which supports 5G multi...[Details]
DS18B20 parameter Single-wire bus structure allows multiple DS18B20s to be connected to one bus and communicate separately At normal temperature, you can draw power directly from the data port, and o...[Details]
Over the past few years, ADAS has revolutionized the automotive industry, making driving safer and more convenient than ever before. However, consumers often do not have much trust in it, which lim...[Details]
1. Internal RAM: There are 256 units in total. The user uses the first 128 units to store readable and writable data, and the last 128 units are occupied by special registers.
The first 128 units are...[Details]
On August 20, Xiaomi Group announced its financial report for the first half of 2019 in the afternoon, which showed that Xiaomi's total revenue was 95.71 billion yuan, a year-on-year increase of 20.2...[Details]
As the demand for automobile safety, interconnection, comfort and autonomous driving continues to increase, the functional design and electronic modules of automobiles are increasing day by day, and...[Details]
MITSUMI WML_C62 is a 2.4GHZ
wireless audio
module equipped with a wireless audio transmission baseband IC that can transmit up to 8 channels of uncompressed digital audio at the same time.
...[Details]
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