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#include "S3C2440addr.h" #include "math.h" #define pi 3.141593 U16 SEC, MIN, HOUR, TmpSEC_10, TmpMIN_10, TmpHOUR_10,TmpSEC_1,TmpMIN_1,TmpHOUR_1; U16 SEC_x, SEC_y, MIN_x, MIN_y, HOUR_x, HOUR_y, OldM...[Details]
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In recent years, the research and development capabilities of Chinese automobile brands in the field of new energy have been continuously improved. From old state-owned enterprises with decades of ...[Details]
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As far as general lighting is concerned, LED technology can already meet the requirements for producing high-quality lamps, but when producing high-quality LED lamps, it is necessary to master the kno...[Details]
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//CLK_SYSCLKConfig uses the highest bit of the CLK_Prescaler value to distinguish whether it is configuring HSI frequency division or CPU frequency division. This function has two functions. //CLK_...[Details]
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Here I introduce the new feature added in October 2020. That is, users can define and add their own probes. This feature has been added to almost all models of our oscilloscopes. This is a custom pro...[Details]
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Aiming at the shortcomings of low efficiency and subjective influence of manual testing, an automatic test system for HDTV main control board based on LabVIEW was designed. The audio and video image ...[Details]
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With the rapid development of information technology, wireless remote monitoring technology has been more and more widely used. The wireless monitoring management system using advanced GPRS technol...[Details]
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Most of the world's lithium iron phosphate batteries are currently produced by Chinese companies, but Korean battery manufacturers LG New Energy and SK On have been reluctant to develop them. In term...[Details]
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With the rapid development of digital signal processing technology, the emergence and widespread application of high-precision and large dynamic range D/A converters, the synthesis technology based...[Details]
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As a component of the measurement system, the importance of oscilloscope probes is self-evident. Even today, when consistency testing has become the main application area of real-time oscilloscopes...[Details]
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Currently, iPhone 13 Pro and iPhone 13 Pro Max are available in 1TB versions, priced at 11,999 yuan and 12,999 yuan respectively. On January 17, according to LetsGoDigital, Samsung will also ...[Details]
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In 2019, Huawei announced its plan to build a connected car network, and the plan progressed rapidly. By the end of the year, Huawei had even installed it in a mass-produced car. On December 29, 20...[Details]
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introduction
In traditional control systems, a single-chip microcomputer is usually used as the control core and supplemented with corresponding components to form a whole. However, this...[Details]
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introduction As a power supply device for electronic equipment, switching power supply has the advantages of small size, light weight, high efficiency, etc., and has been widely used in digi...[Details]
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传统的
射频
(RF) 发送信号链通常使用数模转换器 (DAC) 来生成基带信号。然后,使用射频混频器和本地振荡器将此信号上变频为所需的射频频率。射频 DAC 技术取得进步,现在允许直接以所需的射频频率生成信号,从而显著简化射频发送信号链的设计和复杂性。
High-frequency RF DACs have balanced differential outp...[Details]