I had the urge to do a series of topics on sound visualization. This topic is a bit difficult and covers a wide range of areas. The related FFT and FHT algorithms are also quite complicated, but I sti...
Competition in the smart speaker industry is becoming increasingly fierce, and major manufacturers are competing to develop more powerful and convenient products. Today's smart speakers have rich func...
[size=3] For these DM643x, DM35x/36x, DM6467, OMAP35x, OMAPLx and other series of ARM+DSP or ARM+video coprocessor multimedia processor platforms. Many engineers with strong DSP development experience...
"Electromagnetic Compatibility Design and Testing (4th Edition)" was written by Tim Williams, a famous British electromagnetic compatibility expert, and is divided into three parts. The first part (Ch...
With the development of economy and the improvement of people's living standards, the number of cars has increased year by year, which has also led to traffic congestion and traffic accidents. In ord...[Details]
On December 13, HTC's official website in mainland China showed that all mobile phone products were removed from the shelves, HTC's Tmall flagship store and JD flagship store were all closed, and its...[Details]
Today, Xiaomi announced that the Xiaomi 11i HyperCharge will be launched in India on January 6, 2022, and it supports 120W super flash charging. According to the official poster, the domestic ...[Details]
Tesla
has been going through a rough patch recently
.
First, in early June, foreign media reported that "the parking lot around the Nevada Gigafactory was full of Teslas" and that...[Details]
Measuring power supply ripple accurately is an art in itself. In the example shown in Figure 6.1, a junior engineer used an oscilloscope completely incorrectly. His first mistake was using an osc...[Details]
We often see different expressions such as ARM7, ARM9, ARM11, and armv6k. And in GCC compilation, we often use -march, -mcpu, etc. What do they mean? Sam himself is not very clear, but he has a vague...[Details]
Hangzhou, May 6, 2019 - Recently, at the 9th China International Energy Storage Conference, Kehua Hengsheng Co., Ltd. (hereinafter referred to as "Kehua Hengsheng")'s 1500V photovoltaic grid-connected...[Details]
Industry Focus 1. Beijing’s 2022 development goals clearly support Xiaomi/Li Auto Recently, the "Two Sessions" were held in Beijing. According to the official policy interpretation, Beijing's dev...[Details]
According to news on January 30, Amap has recently officially launched the 2024 "Warm Road Home" service plan. The plan includes "the world's first new energy navigation with self-learning capabiliti...[Details]
Ore analyzers can be used to conduct on-site analysis of various types of ores. The mature X-ray tube analysis system tested on-site has no radioactive isotopes and can make rapid and complete ore ty...[Details]
IU86751E is a 2x28W stereo; in the case of monophonic use; it can output up to 50W of high-efficiency Class D audio power amplifier circuit. Advanced EMI suppression technology allows the use of ch...[Details]
Glass is one of the most common materials in our daily life. From the entire Apple store structure to the back cover of a mobile phone, it is all glass. There are actually many types of glass,...[Details]
Features: • The multifunctional electrical installation tester integrates all electrical testing functions in one unit. With its excellent testing performance and friendly ergonomic design, it provid...[Details]
Tencent has always been known for its keen sense of smell and strong execution. As early as May this year, Tencent Chairman Ma Huateng said: "We are paying close attention to the opportunities of wea...[Details]
First of all, the rotor of Tesla's 3D6 motor adopts the classic single V permanent magnet structure, which uses a three-segment approach to optimize noise, with the middle segment being twice the s...[Details]
Analog electronics
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