This article discusses return noise of HFC network and its impact on Cable Modems.
阐述HFC网络回传噪声对Cable Modem上线的影响,讨论回传噪声产生的原因,对HFC网络网管报警及频谱进行分析,根据数据分析和实践经验,提出针对性的维护措施,以减少回传噪声对上行网络的影响。
In this paper, the relations between the spindle transmission clearance speed fluctuation and transmission noise are expounded by theoretical analysis and by the experimental testing of the vibration frequency spectrum of the spindle of an imported turning center.
文中通过理论分析，阐明数控机床主轴传动间隙与转速波动及传动噪声的内在联系，并通过对一台引进的车削加工中心机床主轴振动频谱的测试实验作了进一步的分析和探讨，同时还对数控机床主轴传动间隙的设计规范以及冷却润滑等问题提出了新的见解。
The Study on Echo Noise and Suppression Method in HFC
HFC网络的回传噪声及抑制方法探析
Adaptive echo cancellation and noise reduction algorithm
一种自适应回声抵消和噪声消除算法
An Echo Cancellation and Noise Suppression SoC Chip
一种回声消除和噪声抑制SoC芯片
The echo was returned By the canyon wall.
回声是峡谷壁传回来的
Analysis and Design of a Latched Comparator with Low Kick-back Noise
低踢回噪声锁存比较器的分析与设计
Study on Adaptive Echo Cancellation and Noise Reduction
自适应回声抵消和噪声消除算法的研究
microphone disturbance
传声器干扰效应，颤噪效应
Simulation Research on Noise Identification Based on Microphone Array System;
传感器阵列系统识别噪声源仿真研究
Analysis and Research on Transfer Path of Vehicle Interior Noise;
汽车车内噪声传递路径的分析与研究
Phase Noise Compensation Technique for OFDM-based Wireless Transmission;
OFDM无线传输中的相位噪声补偿技术
The Research of Digital Communication in Low Noise Testing System;
低噪声测量系统数字传输技术的研究
Study on Ultrasonic Propagation Characteristics and Noise Reduction Methods in Rod;
杆中超声波传播特性及降噪方法研究
Noise-Assisted Signal Transmission in Discrete-Time Systems
离散时间系统中的噪声辅助信号传输
Effect of Synchronous Timing Belt Transmission on Engine Noise
同步带传动对发动机前端噪声的影响
Application of Q2406B in Noise-data Transmission System of Aerodrome
Q2406B在机场噪声数据传输系统中的应用
The Design and Implementation of High Precision and Low Noise Sound Sensor Node;
高精度低噪声声音传感器节点的设计与实现
Application of DAMAS Method of Microphon Array for Measurement of Airplane Noise
传声器阵列反卷积法在飞机噪声测试中的应用
Noise Level Prediction of Gear Transmission System due to Vibration and Sound Signals
基于振动噪声信号的齿轮传动系统声压级预测