Data can initially be block encoded (112) for error correction and detection.
最初可对数据进行块编码(112)以用于错误校正及检测。
BCH codes are a subset of the class of linear block codes that have good error correction capability. Information hiding is a new technique in information security field.
BCH纠错编码是线性分组码的一种，有较好的纠错能力，信息隐藏是近年来信息安全领域出现的新技术。
The first data is recorded using a first modulation technique and has a first error-correction block structure.
也就是说，第一数据和第三数据有与其适 应的各自的误差校正块结构。
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