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Definition of Nonlinear Distortion The ratio of the effective value of all harmonic voltages to the effective value of the fundamental voltage. Basic working principle of distortion meter Figure...[Details]
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It is already known that Samsung will launch the new Galaxy S21 series at the end of February, but whether the Galaxy Note series, which has disappeared for nearly two years, will return is also a co...[Details]
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Abstract As the core component of electric vehicles, how to effectively manage and utilize the energy of batteries and increase the service life of batteries has become a key issue. This paper introd...[Details]
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Sina Technology reported on the evening of May 21 that Xiaomi Group issued an announcement stating that it had entered into the Zifone Agreement with Zifone and the Shareholder Seller Agreement with ...[Details]
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Japan recently completed an open road verification test of "unmanned platooning of following vehicles". This article provides a detailed introduction to the content of the project and the related tec...[Details]
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0 Introduction
In the application of DC/DC switching power supply, the external capacitor at the output load can play the role of filtering and suppressing interference. In some devices with l...[Details]
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How should battery companies cope with the current situation under the heavy pressure of battery overcapacity, subsidy reduction, and strict cost control? At the Shanghai Auto Show, Li Fengmei, vice ...[Details]
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Due to various objective and subjective reasons, errors are bound to exist in any measurement process. According to the nature and causes of measurement errors, measurement errors are divided into t...[Details]
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In the past two years, a kind of transportation tool called a somatosensory vehicle (or a balancing electric vehicle) can often be seen in public places. Due to its convenience and flexibility, it is ...[Details]
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introduction
Due to the low price, low heat generation and high light efficiency of low-power white light LED, it has been widely used in general lighting and landscape lighting. Therefore, ...[Details]
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1. Choose the testing equipment suitable for your company
As a corrugated box company, where should we start to choose the testing equipment that suits our needs? We should make comprehensive c...[Details]
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Abstract: Aiming at the actual working requirements of underwater submersibles and the characteristics of underwater sinking and floating motion, an autonomous sinking and floating control method f...[Details]
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3.2 Latency
Latency is the round-trip time required for data to be transmitted in the network. Since the development of wireless communication technology, each technological evolution has been ...[Details]
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The on-board charger provides the critical function of charging the electric vehicle's power battery pack from the infrastructure grid.
When an EV is connected to a Level 2 EV supply device vi...[Details]
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1 Introduction
Monitoring underground production parameters includes monitoring harmful or dangerous components in mine air, the physical state of mine air, the operating status of ventilation...[Details]