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Third generation (3G) mobile phones offer a variety of features with more functionality. As consumers enjoy the latest and better features of these communication devices, they continue to demand lo...[Details]

introduction The most common flight state of a fixed-wing aircraft is horizontal flight. If it is allowed to fly at a large angle, the action cannot be maintained all the time. If it is al...[Details]

According to In-Stat/MDR, the number of mobile phones with Bluetooth capabilities will reach at least 300 million by 2005. One of the clear evidences of the increasing adoption of Bluetooth is that...[Details]

Abstract: This paper introduces the origin and new features of MP4, and introduces the core audio compression technology MPEG-2 AAC (Advanced Audio Coding) based on MP4. Finally, it briefly summari...[Details]

Preface In people's daily life and work, the amount of electricity consumed by computers is very considerable, so the industry pays great attention to energy saving and consumption reduct...[Details]

0 Introduction IIR filters are not easy to make into linear phase, but FIR filters can be made into linear phase as long as certain conditions are met. The requirement for linear phase is ...[Details]

1 Design Concept The car instrument is a window and interface for information exchange between the driver and the car, which plays a positive and important role in improving the service li...[Details]

The power management system of a netbook can be divided into the following parts: 1. Battery charging and management; 2. CPU processor power supply; 3. System 5V/3.3V power supply; 4. I/O and graph...[Details]

1 Introduction The C8051F series single-chip microcomputer is a fully integrated mixed-signal system-level device (SOC) of Cygnal Company. Its CIP-51 core runs at a speed of up to 25 MI/s....[Details]

Electrical Characterization at the Nanoscale Studying the electrical properties of nanoscale materials typically involves using a combination of probing and microscopy techniques to make d...[Details]

The future of full-custom digital ASICs is beginning to cloud. Field-programmable gate arrays (FPGAs) are taking over many applications that were once considered the exclusive domain of full-custom...[Details]

0 Introduction During the vibration process of mechanical structures, many weak signals contain rich characteristic information of mechanical motion, such as fault characteristic informati...[Details]

High-density IC devices involve multi-layer stacking of interconnects. The chemical mechanical planarization (CMP) process provides a smooth surface on the wafer for lithography requirements and ...[Details]

0 Introduction With the development of science and technology, AC/DC power supply systems have been widely used in various fields of society, and at the same time, new requirements have be...[Details]

USB has become the standard way for devices to communicate with PCs, from general-purpose devices (such as flash memory devices and mice) to specialized devices, and the standard has almost complet...[Details]