A new method of blind estimation for short-code chaotic spread spectrum sequence is proposed, which is based on principal component analysis (PCA) and has good performance at low SNR condition.

针对短码实值混沌直扩系统，提出了一种基于主元分析的算法，实现了在低信噪比下对直扩序列的盲估计。

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The marital status itself is part of the core business data, but it is stored there only as a short code.

虽然婚姻状况本身就是部分核心业务数据，但是其只是作为一个短代码被存储在那里。

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Notice how short that code is.

请注意这个代码有多短。

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The dual-code international, 30, who joined Leicester on a short-term deal in November, had been tipped to return to Australia when the contract ended.

BBC: Lote Tuqiri quits Leicester for NRL side Wests Tigers

Instead, the investigators said, the data was kept in a hashed form - in other words the telephone numbers were transformed into a short code and stored.

BBC: Whatsapp

Offices tend to set more boundaries and enforce a strict dress code with several no-no items including open-toed shoes, super short skirts, plunging necklines, and torn pants.

FORBES: Dressing For Success While Office-Less