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- In sound recording,a low frequency noise usually produced by regular variations in the speed of a system's mechanical component. 录音技术中的一种低频噪声，通常由于系统机械部件的速度有规律变化而引起。
- By using this method, the impact on depressing the partial vibration and the radiation of the low frequency noise of the structure underwater is efficacious. 采用增大局部结构刚度的方法，对于降低水下结构的局部振动与低频噪声辐射效果显著。
- In sound recording, a low frequency noise usually produced by regular variations in the speed of a system's mechanical component. 录音技术中的一种低频噪声，通常由于系统机械部件的速度有规律变化而引起。
- Helmholtz resonator has a good noise eliminating performance at low frequency.So it has been widely used on low frequency noise reduction. 摘要亥姆赫兹共振腔具有良好的低频消声性能，被广泛地应用于低频消声方面。
- The large C1 cap rolls off the gain of the regulator starting at a low frequency so that high frequency noise isn't amplified by the error amp. 这个大的电容C1从一个较低的转折频率开始滚降，所以高频噪音没有被误差放大器放大。
- The most advanced of these is the Active Noise Cancellation system (ANC), which cancels out low frequency noise by playing the opposite wave form through the Bose sound system. 其中最先进的是主动噪音消除系统（非国大），其中取消打通过Bose音响系统相反的波形进行低频噪音。
- Some people living near wind farms complain they are kept awake by a phenomenon known as aerodynamic modulation(AM), low frequency noise made as the blades swoosh through the night air. 有些住在风力发电厂附近的人抱怨，他们因为一种称为空气动力调变的现象，即轮叶的飕飕声划过夜空，产生低频噪音，以致无法入眠。
- The low frequency noise will hurt chronically and can make nervous sympathetic nerve,tachycardia,high blood pressure and maladjusted incretion,even will affect the fetus of the pregnant woman. 低频噪声会造成慢性损伤,会使人的交感神经紧张、心动过速、血压升高、内分泌失调,甚至影响到孕妇腹中的胎儿。
- The low frequency noise contaminant, which can be magnified due to the linear conversion from the acceleration spectrum to the displacement spectrum, is the major cause of the inaccuracy. 其中，由加速度谱转换为水位谱时受低频杂讯干扰，常使波谱形状产生严重扭曲，对于此一干扰，本文基于正规化波谱形状具有相似性之特性，建立一滤除杂讯能量之方法。
- The improvement on the edf for the higher frequency noise is better than that for the lower frequency noise in the overlapping estimators and the total estimators. 而相应的重叠估计和总方法估计与之相反，噪声的频率越高，其等效自由度越大，这也说明重叠估计和相应的总方法估计对高频噪声等效自由度的提高优于低频噪声。
- Reduction of low frequency noise in control room of thermo plant 热电厂控制室低频噪声治理实例
- Design and Realization of Low Frequency Noise Generator 低频噪声发生器的设计与实现
- Measurement Method for Low Frequency Noise Generator 低频噪声源的测试方法
- Study on Low Frequency Noise of High Speed Railway Bridges 高速铁路桥梁的低频噪声研究
- Simulation and Experimental Study of Car Interior Low Frequency Noise 轿车车内低频噪声的仿真计算及试验研究
- Application of low frequency noise parameters fitting in OCD with LM algorithm LM算法在OCD低频噪声参数拟合中的应用
- Low frequency noise mechanism of medium wave HgCdTe with asymmetrical MIS structure 中波碲镉汞边缘接触不对称MIS结构的低频噪声
- In electronics, undesirable low frequency currents interfering with a desired signal, and usually caused by a poorly screened alternating mains supply. 在电子学领域，一种不希望发生的低频电流，它干扰所要求的信号。通常这种现象是由于交流供电线路屏蔽不良引起的。
- Study of low frequency noise intensity and noise spectrum in the working site and big scale production equipments 大型设备及其作业场所低频噪声强度及频谱分析
- Helmholtz resonator has a good noise eliminating performance at low frequency. 亥姆赫兹共振腔具有良好的低频消声性能,被广泛地应用于低频消声方面。
