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Abstract: A digital correlator designed based on FPGA performs Hilbert transform on the data collected by the front-end analog-to-digital converter at a sampling rate of 384kbps, and then performs correlation operations with the local sequence. Finally, the correlation res…
Subwoofer speakers, commonly known as subwoofers, have a very important role in creating a stunning momentum effect. Most brands sell home theater products in the form of a package consisting of an AV amplifier plus five speakers and a subwoofer. The subwoofer is alrea… 1. Qtc: the total Q value of the whole system of the speaker, Second, the loss Q value of the cabinet: Ql-Leakage loss Q value. Leakage caused by poor sealing of the cabinet and unit, usually this has a greater impact on the inverter box. The general va… Bile fever has been heating up since the 1990s. Its natural and honest. The extraordinary sound has become an old myth in the audio family. The single-chip microcomputer is used to exponentially and high-resolution transform the ordinary low-resolution linear digital potentiometer, so that the general-purpose digital potentiometer meets the application requirements of the audio field, and has better versat… Few people in the world, like audiophiles, like to find troubles and deliberately go to "fever"! If unfortunately get into the subwoofer, it is scarred. The subwoofer is the Subwoofer that everyone is familiar with. It has the ability to reproduce the… Status of domestic valve production testing At present, most of the size inspections of domestic valve production processes use contact detection methods such as dial gauges and chucks. In addition to the diameter of the rod, other parameters a… Since the beginning of this year, the market demand for LED lighting terminals has increased rapidly, and the general capacity utilization rate of lighting companies is close to saturation. At the same time, it also drove the capacity utilization …
Qinshang Optoelectronics announced on the evening of the 11th that it signed an intentional strategic cooperation agreement with the Guangdong Qingyuan High-tech Industrial Development Zone Management Committee.
According to the agreement, Qi… [Text / high-tech LED reporter Liu Pingping] In the era of LED, many companies regard the "product line" as a magic weapon for the healthy and stable development of enterprises, because even if a certain type of product is a…
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