论文在深入研究了PDF417条码的标准和编解码算法的基础上，详细阐述了解码终端以dsp为核心的硬件平台和软件架构。

In this paper PDF417 barcode standard and codec are deeply researched, based on which decoding terminal's hardware platform whose core is DSP and software architecture are expounded in detail.

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相比之下，用支付宝或微信进行支付要简单得多，只需要从零售商服务点终端或智能手机扫描一下二维码即可。

By contrast, payment with Alipay or WeChat is much more streamlined and requires only the scan of a QR code from a retailer's point-of-service terminal or a smartphone.

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码序列的区分是通过匹配滤波器完成的，通过检测输入数据流中特殊的码序列可以区分不同的移动终端。

This discrimination is accomplished by means of a matched filter, whose output indicates when a particular code sequence is detected in the input data stream.

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I have connected to the course's central server from my own laptop and via dot slash chart am I about to run a little program that depicts as best we can with what with generally call ASCII art -- -- it's really all you can do in a terminal window like this -- our numbers from the past few years.

我已经通过我的电脑连接到了课程的中心服务器,在我的笔记本电脑上，通过键入“，/chart“,我将要运行一个被描写成,“ASCII码艺术“的小程序-,在一个这样的终端窗口中你们都可以做到-,过去几年中我们的人数。

哈佛公开课 - 计算机科学课程节选