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After more than 20 years of development, the 89C5l series of microcontrollers are still thriving and widely used in industrial control and instrumentation. The Keil C51 compiler system used for 89C...[Details]
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March 1 news, foreign media Windows Latest reported that Surface Duo is Microsoft's first dual-screen mobile phone launched in the United States and Europe. Surface Duo received mixed reviews, and ac...[Details]
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According to Reuters, Texas Instruments Inc reported its first quarterly revenue growth in nearly two years on Tuesday, while the company revealed that it had complied with U.S. export restrictions a...[Details]
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When we use While or For loop structures in LabVIEW , we will find that each loop can automatically complete the indexing or accumulation of an array element at the boundary of their loop structure...[Details]
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Introduction Nucleus is a single address space operating system. As a commercial embedded operating system product, it has been widely used. In the MIPS architecture, its operating system and user p...[Details]
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The MEMS-based blazed grating digital micromirror display technology is a new display technology. Its basic working principle is: parallel composite white light is irradiated on the blazed grating ...[Details]
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The latest report released by market research firm Strategy Analytics' Connected Computing Devices (CCD) service shows that global notebook computer shipments in the first quarter of 2020 were 37.9 m...[Details]
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(April 19, 2021) In order to assist Chinese Android developers to seamlessly connect to the global 64-bit development environment and further provide the best experience to end users, China's five ma...[Details]
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创业板IPO|米格新材IPO中止:成立5年就顺利过会,盈利质量存疑来源丨时代投研作者丨陆海编辑丨李乾韬【导语】成立5年就顺利过会,江苏米格新材料股份有限公司(下称米格新材)是个令人羡慕的幸运儿。不过,深交所官网显示,9月30日,因财务资料过期,米格新材IPO按 ...
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Hydrogen energy has always been considered the cleanest fuel and one of the most promising energy sources in the future, but Volkswagen CEO Diess does not think so. According to German magazine Aut...[Details]
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Siemens CPU313C has only one MPI communication interface. With the help of Xingda Easy Control MPI-ETH-XD1.0 product, the MPI communication protocol is converted into Ethernet communic...[Details]
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Temperature and humidity measurements are often useful in home automation, environmental monitoring, weather stations, and many other applications. The most commonly used temperature sensor next to t...[Details]
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Google parent Alphabet has made an offer to acquire U.S. wearable device maker Fitbit, according to people familiar with the matter on Monday, as it plans to enter the market for fitness trackers and...[Details]
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Transient intermodulation distortion
瞬态互调失真(Transient Intermodulation Distortion),得称TIM失真。是什么时候被发现的笔者搞不清楚,但是TIM测量方法则迟至70年代才公开发表。由於瞬态互调失真与负回输密切相关,所以在讨论瞬态互调失真时就需要先从负回输说起。负回输(Negative F...[Details]
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Recently, the Qinghai Gonghe 450MW wind power and Qinghai Ulan 100MW wind power supporting battery energy storage projects are being tendered. The two wind farms will be equipped with battery energ...[Details]