In the standard, seven key techniques are used to efficiently increase the data rate, including adaptive bandwidth, adaptive data transfer rate, multi-dimensional trellis encoding, shaping and shell mapping, super-constellation, equalization and pre-encoding, nonlinear encoding.
这七项技术为：自适应的带宽；自适应的数据传输速率；多维网格编码；整形技术和壳状映射器；超星座图技术；均衡和预测编码；非线性编码。
参考来源 - V.34发射机与接收机在DSP系统中的实现·2,447,543篇论文数据，部分数据来源于NoteExpress
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