It is understood that the station uses intelligent switchgear, not only has…
With the price cuts, LCD TVs have attracted the attention of many consumers with their lightweight appearance, low radiation, low power consu…
Multiple motors independently controlled
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Control requirements:
Design a control circuit for two asynchronous motors with the following requirements:
(1) The two motors work independently without affect…
1 Introduction
HART, or Highway Addressable Remote Transducer, is the abbreviation of Addressable Remote Sensor Expressway. It was first developed by American Rosemount company and supported by more than 80 famous instrument companies. Its feature is that it do…
Let…
The development of voice codec technology is still to a certain extent, but the audio codec technology has been evolving (see Figure 1). For example, the trend towards more surround sound channels is a trend. One of the biggest technological trends is the addition of t…
Laser lights unveiled at the Beijing Audio and Lighting Fair from May 26th to 29th, 2011. The 20th China International Profess