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[Audio program] OFDM_in_well_logging DL : 0: 基于 OFDM的高速遥传电缆调制解调器设计基于 OFDM的高速遥传电缆调制解调器设计-Abstract : In order to meet t he demand of high data volume for imaging tool s , a cable Modulator/ De2 modulator is investigated and developed since it is t he key to any high2speed cable t ransmission sys2 tem. The Modulator/ Demodulator adopt s OFDM (Ort hogonal Frequency Division Multiplexing) tech2 nology to solve t he antinomy between t he high2speed data t ransmission and t he limited cable band2 width. The principle of OFDM is int roduced fir st . Based on t he OFDM principle , architecture block diagram and hardware block diagram of t he cable Modulator/ Demodulator are designed and are de2 scribed in detail . OFDM Modulation/ Demodulation flowchart is al so presented and elaborated. Field test result s demonst rate t hat the cable Modulator/ Demodulator design is practical and feasible.
Date : 2026-01-07 Size : 261kb User : 秦赵真
[Audio program] PCMNoiseSupression-master DL : 0: 简单使用webrtc ns去噪模块的使用，demo是16k采样率的demo，可简单修改试用。(webrtc ns 1.int WebRtcNs_Create(NsHandle** NS_inst)2.int WebRtcNs_Init(NsHandle* NS_inst, uint32_t fs) 3.int WebRtcNs_set_policy(NsHandle* NS_inst, int mode) 4.int WebRtcNs_Process(NsHandle* NS_inst,short* spframe,short* spframe_H, short* outframe,short* outframe_H))
Date : 2026-01-07 Size : 327kb User : jingqian