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One of the important properties of noise is its spectral density. Voltage noise spectral density is the effective ( RMS
) noise voltage per square root hertz
(usually in nV/rt-Hz). Power spectra...[Details]
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If we must give "2019" a title of the first year, it should be the first year of commercialization of autonomous driving . The reason is simple: the sales volume of the automobile market has declined...[Details]
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1. The temperature and humidity of the inverter installation environment should be ≤70%; the temperature should be -10°--40℃; the altitude should be ≤2000m; for every 100m increase, the inverter sh...[Details]
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Watchdog principle The watchdog is a timer in principle. The timer counts pulses. When the timer overflows, a reset signal is generated to reset the entire system. The function of the watchdog is to ...[Details]
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OTA has become a standard feature of smart cars. While it accelerates software iteration, what problems has it exposed? Has your car been secretly "upgraded" at night? Rao Bin, the owner of GAC To...[Details]
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It was still the combination of 89C52 and 12232. But there was no datasheet for this 12232. In the end, I relied on my own analytical skills and a little trust in the seller's information (which now s...[Details]
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0 Introduction
In the teaching of electrical control courses, regular training projects mainly include the installation, wiring and debugging of three-phase asynchronous motor inching cont...[Details]
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This winter, northern my country experienced extremely cold weather and heavy snow. Under such conditions, the endurance of new energy electric vehicles has been greatly reduced, which has become a ho...[Details]
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Typedef is a type definition keyword, which is used by users to define new type names based on the original data types (including basic types, constructed types, pointers, etc.).
The benef...[Details]
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This chapter will take AP525 as an example to introduce the instrument hardware interface, AP test software interface, and conventional sequence test operation procedures. After becoming familiar w...[Details]
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After Hertz discovered electromagnetic waves, they were first used in wireless telecommunication transmission experiments. The earliest wireless telecommunications controlled the spark dischar...[Details]
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After power-on, the program will reset and enter svc mode, which is a privileged mode. The APP runs in usr mode. When the APP accesses the hardware in this mode, the mode must be switched to svc mo...[Details]
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This article takes the 32-bit variable frequency
MCU
V850E/IX3 UPD70F3454 as an example to explain its application in AC servo system. The servo motor is an engine that controls the opera...[Details]
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1 Introduction
Single-chip microcomputers are widely used in the fields of instrumentation, intelligent household appliances, and industrial control, with their advantages of small size, low power c...[Details]
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In addition to the inductor with iron powder core as the magnetic core, the position of the air gap has a great influence on the inductor parameters of general inductors (Flyback transformer is a c...[Details]
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