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According to foreign media reports, US President Donald Trump claimed on Twitter that Google "rigged" the voting results in the 2016 election, depriving him of a larger lead over his opponent, and th...[Details]
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According to foreign media reports, engineers from Duke University in the United States and the Institut de Physique de Nice in France have developed a new method to use microwaves to identify objec...[Details]
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/************Port definition, can be modified******************/
sbit ledrs=P2^3; //Read and write control word
sbit leden=P2^5; //Enable control word
sbit ledrw=P2^4;
void write_com(uchar com...[Details]
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With the increasing application of electronic information technology, many occasions require identity recognition or identity recording for specific user groups, such as access control systems, att...[Details]
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#include "regs.h" void enable_mmu(unsigned long ttb); void init_ttb(unsigned long *ttb_base); void mmap(unsigned long *ttb_base, unsigned long va, unsigned long pa); void memset(char *buf, char ch, i...[Details]
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0 Introduction
In the field of speech coding, with the huge increase in the amount of information such as transmission, processing, and storage, information compression processing has become...[Details]
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Digital multimeters have a wide range of uses. This article takes the popular digital multimeter DT890B as an example to introduce its use and precautions for reference by electronics enthusiasts. ...[Details]
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This article will focus on the new challenges and corresponding measurement solutions for 10GBASE-T Ethernet conformance testing. Ethernet is a very important peripheral communication interface for pe...[Details]
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Electromigration is a phenomenon in which metal atoms migrate and diffuse in a controlled manner along the direction of current flow (electron wind) when a high-density current flows through a conduc...[Details]
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Yesterday, at the 360 Government and Enterprise Security New Strategy Conference, Zhou Hongyi made a rare comment on the mobile phone industry, saying with a smile: "Companies in the mobile phone i...[Details]
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In the field of speech and music synthesis, voltage-controlled filters are often used to shape the envelope of the generated sound signal. However, due to high cost, many peripheral devices required, ...[Details]
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The following is a specific example to illustrate how to use debugging symbols to analyze errors. The program used is shown in Listing 4.
Listing 4: crash.c
#include stdio.h
int main(vo...[Details]
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Heat deformation temperature is a parameter that expresses the relationship between the heat and deformation of the object being tested. The heat deformation temperature test records the temperatur...[Details]
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A researcher holds an optically pumped magnetometer. Using these noninvasive devices, they have for the first time recorded activity in the human vagus nerve. Image credit: Qualcomm Institu...[Details]
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The automatic power-off function of CNC machine tools is an important safety protection measure that can effectively prevent equipment damage and personal injury caused by power failure, overload, ...[Details]
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