中央空调冷冻机房低频噪声及振动的治理 关键词：中央空调；低频噪声；减振 [gap=5546]Keywords：central air-condition；low frequency noise；vibration reduction
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...之重要组成零件，当电晶体应用在电子电路或通 讯系统中作为震荡器(oscillator)或混波器(mixer)时，低频杂讯(low frequency noise)是ㄧ各重要 指标。
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transistor low-frequency noise-meter 晶体管低频噪声测试仪
Low Frequency Noise Generator 低频水下噪声发生器
tra istor low-frequency noise-meter 晶体管低频噪声测试仪
low-frequency noise 低频噪声
very low-frequency noise 甚低频噪声
low frequency noise model 低频噪声模型
low-frequency noise control 低频消声
Also, this could reduce the sensitivity of diver current to the technology.2. Large current and low noise charge pump DC-DCConventional charge pump always leads to huge peak input current and low frequency noise.
2、大电流、低噪声电荷泵DC-DC通常电荷泵会产生大的峰值输入电流,引起低频噪声。
参考来源 - 高性能白光LED驱动电荷泵DCThe results show that the annoyance of low frequency noise residential area should be taken into account. Low-level noise can cause higher probability of subjective annoyance.
研究结果表明:居住区低频低噪声引起的烦恼度不容忽视,在低频低噪声环境下仍能引起较高的烦恼概率;低频低噪声对人的睡眠、行为及主观生理不适感有影响;低频噪声烦恼度与中高频噪声烦恼度的研究结果在对睡眠、工作及休息上有差异。
参考来源 - 城市居住区低频噪声的烦恼度分析研究·2,447,543篇论文数据，部分数据来源于NoteExpress
In this paper, we propose a new algorithm for removing high frequency and low frequency noise in face images.
本文提出了一种解决滤除人脸图像中高频及低频噪声的新算法。
Low frequency noise is one of the most important factors in infrared detectors for space remote sensing applications.
红外探测器的低频噪声是制约器件能否应用于空间遥感的关键因素之一。
Nowdays the problems commonly existing in the measurement of low frequency noise of transistors are, great errors, long time and imperfection of noise parameters.
目前有关晶体管低频噪声测量仪器普遍存在的问题是测量误差大、时间长、所给噪声参数不完善。
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