Speech recognition, which focuses on speech as object, is an important research direction of speech signal processing and a primary technology to realize the communication between human and machines.

语音识别是以语音为研究对象，是语音信号处理的一个重要研究方向，是实现人机通信的主要技术。

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Signal recovery is a very important task for detection of radar sonar target and communication signal processing.

信号恢复是雷达声纳目标检测和通信信号处理的一项重要任务。

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In the past thirty years, the work-horse algorithms in the field of digital signal processing and communication have been the gradient descent algorithm and the least square algorithm.

在过去的三十年中，数字信号处理和数字通信领域中采用的主要优化算法是最速下降方法和最小二乘方法。

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The long term objective of this project is to develop and apply innovative information and communication technologies for image and signal processing in order to better safeguard, diffuse and promote oral and intangible forms of cultural expressions proclaimed by UNESCO as masterpieces of the heritage of humanity.

UNESCO: Outline of Digital Archiving Project