The fourth chapter is this paper's emphasis , focuses on the byte processing part(outer code) module by module: data reverse transformer, de-randomizer, RS decoder, de-interleaver and synchronization.

第四章是本文的主要部分，开始分模块说明对字节处理部分的研究：数据格式反变换、解扰、RS译码、去交织和同步头搜索。

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When combined with funding the general cash deficits, these multitrillion-dollar Treasury operations will dominate the capital markets in the years ahead, particularly given China's de-emphasis of new investment in U.S. Treasurys in favor of increasing foreign direct investment, and Japan's and Europe's own sovereign-debt challenges.

WSJ: Cox and Archer: Why $16 Trillion Only Hints at the True U.S. Debt

China and Indonesia are the two biggest borrowers. (At the May meeting, China expressed concern about the new thrust's heavier funding requirements and the de-emphasis on aid to speed up economic growth.) ADF money is used exclusively by the poorest member-countries, including Bangladesh, Kyrgyzstan, Laos, Nepal, Pakistan, Sri Lanka and Vietnam.

CNN: Inside Asia's New Bank for the Poor