该文研究了基于数据模拟方法和HMM（隐马尔科夫模型）自适应的电话信道条件下语音识别问题。
This paper addresses the problem of speech recognition under telephone channel conditions using data simulation method and HMM(Hidden Markov Model)adaptation.
一种数据信道，其传输的信息可取该信道规定界限内的任何值。话音信道就是模拟信道。
A data channel on which the information transmitted can take any value between the limits defined by the channel. Voice - grade channels are analog channels.
实现用SDRAM运行nios，同时用SRAM保存摄像头数据，基于多相结构的信道化接收机，随机调制信号下的模拟ppm。
Implemented with SDRAM run nios, while saving camera data SRAM, Channelized receiver based on multi-phase structure, Random PPM modulated analog signal unde.
实现用SDRAM运行nios，同时用SRAM保存摄像头数据，基于多相结构的信道化接收机，随机调制信号下的模拟ppm。
Implemented with SDRAM run nios, while saving camera data SRAM, Channelized receiver based on multi-phase structure, Random PPM modulated analog signal unde.
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