2) ambient noise
环境噪声;外界噪声
3) community noise survey
外界噪声测量
4) boundary noise
厂界噪声
1.
Approach for deducting the background value of boundary noise;
厂界噪声背景值修正问题的讨论
2.
The problems happed in monitoring factory boundary noise are discussed.
通过一些噪声监测实例来探讨有关工业企业厂界噪声测量中的有关问题,并提出了相应的改进方法和建议。
3.
this article analysed the reason that exceed standard of boundary noise.
分析了某电厂厂界噪声超标的原因,根据噪声源的噪声特性,提出了厂界噪声综合治理方案,对隔声墙进行了设计,并对效果进行了计算和预测。
6) bounded noise
有界噪声
1.
Numerical methods for the chaotic motion of duffing oscillator uuder parametric excitation of bounded noise;
有界噪声参激下Duffing振子混沌运动的数值方法
2.
The possibility for onset of chaotic motion in the Duffing oscillator under parametricexcitation of bounded noise is studied The stochastic Melnikov process is first derived and thecritical value of excitation amplitude for the onset of chaotic motion is obtained based on thestochastic Melnikov process having simple zero in the mean square sense.
本文研究有界噪声参激下Ｄｕｆｆｉｇ振子出现混沌运动的可能性。
3.
To demonstrate the robustness against the effective of bounded noise of the proposed control st.
通过研究有界噪声作用下该系统的控制效果,表明了该方法具有较强的鲁棒性和抗干扰能力。
补充资料：外界
①某个物体以外的空间：外界作用力｜外界的空气振动耳膜，才能成为声音。②某个集体以外的部分：外界舆论｜外界人士｜整年呆在山沟里，对外界形势一无所知。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条