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Data from nine local brokerages in South Korea showed that Samsung Electronics is expected to achieve an operating profit of 16.3 trillion won (US$13.8 billion) in the third quarter, a 29.7% increase...[Details]
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In December 1957, the Shangyoujiang Hydropower Plant was completed. The 110 kV Shanggan Line from Shangyoujiang to Ganzhou transmits electricity to Ganzhou City. This is the earliest 110 kV transmi...[Details]
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What is the hysteresis characteristic of a signal?
The hysteresis characteristic of a signal refers to the delay and lag in the change of the output signal during the change of the input signa...[Details]
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Three-phase alternating current is a form of transmission of electrical energy, referred to as three-phase power. Three-phase AC is a power supply composed of three AC potentials with the same freque...[Details]
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One USART The Universal Synchronous Asynchronous Receiver/Transmitter (USART) provides a flexible method for full-duplex data exchange with external devices using the industry standard NRZ asynchrono...[Details]
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Square wave;
Sawtooth wave
Sine wave
#include AT89X52.H
#include INTRINS.H
#include math.h
#define uchar unsigned char
#define uint unsigned int
// Drawing coordinate limits
#defi...[Details]
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The 2019 China Data and Storage Summit with the theme of "Digital Intelligence and the Future" was successfully held in Beijing. Bringing together well-known experts and scholars, corporate leaders a...[Details]
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0 Introduction
Error diagnosis is a very important stage in the later stage of integrated circuit verification. It helps designers predict the error point in an error chip, thus reducing t...[Details]
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Occasionally one comes across a simple, useful, functional device and happily relegates it to an already overloaded work bag until one day it breaks for unknown design reasons. In this case, I'm refer...[Details]
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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]
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Apple has formed a dedicated communications research team to work on new ways to beam data, such as internet connections, directly from satellites to user devices, Bloomberg's Mark Gurman repo...[Details]
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Speaking of the world's three major smartphone operating systems, do you know which ones they are? We have talked to you in previous articles. The world's three major mobile phone operating systems a...[Details]
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When reading kernel source code, you often encounter IS_ERR, such as in linux/arch/arm/kernel/sys_arm.c
view plain copy
print ?
asmlinkage int sys_execve(char __user *filenam...[Details]
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There are few applications today where energy consumption does not need to be reduced. For designers of portable and battery-powered devices, this is a constraint that affects the optimal performance ...[Details]
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In C language, initialized global variables exist in the data segment, initialized local variables exist in the stack, space allocated by malloc exists in the heap, and uninitialized global variabl...[Details]
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