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This paper proposes a new VoIP system based on the AMR speech codec algorithm, which can adaptively select an optimal transmission rate according to the quality of the network channel, so that the ...[Details]
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Introduction: Several precise delay programs for 51 single-chip microcomputers: In the calculation of precise delay, the most easily overlooked part is the delay outside the calculation loop. In situ...[Details]
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What is a Circuit Breaker?
A circuit breaker, also known as an air switch, is a very basic low-voltage electrical appliance. It has overload, short circuit and undervoltage protection function...[Details]
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4.8GHz, 60 performance cores, the new Xeon W helps local industry applications in China
New Xeon W workstations: up to 60 cores, all performance cores, AI performance increased by up t...[Details]
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Recently, the well-known data statistics company IDC released the statistics of the tablet computer market in the second quarter of 2019. Among them, Apple iPad still maintained its king status, rank...[Details]
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China Energy Storage Network:
Energy is transitioning from a single energy supply to a new era of integrated energy services. Energy companies are transforming from single energy suppliers to...[Details]
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1. Introduction
Fieldbus control system (FCS) is developed in response to intelligent field instruments. Its original intention was to replace 4-20mA analog transmission technology with digit...[Details]
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Da Vinci technology is a new platform for digital image, video, voice, and audio signal processing. Once launched, it has been warmly welcomed, and application development based on it has emerged in ...[Details]
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China Telecom completed the construction of the Vulcan Mountain Hospital information system on February 1, and on February 2, the Vulcan Mountain Hospital was officially delivered. It is report...[Details]
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The EU Parliament has approved the Chip Bill. 43 billion euros will be mobilized to boost domestic microchip production and become more independent from other markets. Industry Commissioner Thierry...[Details]
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The IO port of STM32F4 is introduced in detail in Chapter 6, and the interrupt management group management is also explained in detail in the previous chapter. Here we will introduce the interrupt fu...[Details]
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1. Introduction
to HSDPA The ability to support high-speed mobile packet data services is one of the most important features of the 3G system. The WCDMA R99 version can provide a data rate o...[Details]
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The dielectric loss measurement coefficient (tgδ) is an important parameter that describes the performance of the insulation material of electrical equipment. It is usually defined as the ratio of act...[Details]
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In the 70 years since the founding of the People's Republic of China, especially since the reform and opening up, China's power industry has developed rapidly and made great strides, becoming a glo...[Details]
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Design and manufacturing methods for automotive pressure sensors create rugged sensors for this demanding environment. Material property selection and circuit design principles are covered. Cost-se...[Details]
Power technology
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