1) noisy stream
噪声流
1.
A method for hiding ciphertext in the noisy stream is presented, with the ciphertext embedded in a noise stream by a pseudo sequence which is controlled by the noisy stream.
提出了一种在随机噪声中的密文隐藏方法 ,该方法主要采用噪声控制技术将密文嵌入噪声流中 。
2) vortex noise
涡流噪声
1.
Connecting with the improved process of the wall mounted air-conditioner manufacturing,the article analyzes the blade passing frequency noise and the vortex noise of the cross-flow fan.
结合挂壁式空调制造工艺改进实践,分析了贯流风机旋转噪声和涡流噪声产生原因,并通过噪声品质分析、参数优化设计等试验研究,提出了选择合理的技术参数、进行蒸发器风道、叶轮等工艺结构改进等降低噪声的技术措施,实现了较为理想的降噪效果。
2.
The vortex shedding noise model for the fan and the model for the blade tail-edge vortex noise induced by the interaction between the air flow and the k th section have been developed.
通过将掠形叶片沿径向分为N个叶元体，推导了第k叶元体与气流相互作用诱发的叶元体尾缘涡流噪声模型与轴流风机的涡流脱落声学模型，通过实验验证了理论模型的正确性，并分析了叶轮结构参数与涡流脱落噪声的关系。
3) turbulence noise
紊流噪声
1.
Experimental study on reducing turbulence noise of centrifugal fan by equipped metal net masks;
金属网罩降低离心风机紊流噪声试验研究
4) flow noise
流噪声
1.
Empirical mode decomposition and its application in the experiment research of flow noise;
经验模态分解(EMD)法及其在流噪声实验研究中的应用
2.
Experimental study of flow noise scaling of an axisymmetric body;
回转体流噪声相似律的实验研究
3.
At first the production mechanism of flow noise inside towed linear sonar jacket was studied by introductioning the production of turbulent boundary layer fluctuant pressure and its effect way on jacket.
流噪声是影响拖曳线列阵声纳信噪比的一种主要自噪声。
5) flow-noise
流噪声
1.
Comparison between the simulations of flow-noise of a submarine-like body with four different turbulent models;
四种湍流模型计算回转体流噪声的对比研究
2.
This paper introduced a measuring chamberlet method and character for flow-noise in seawater pipe system and analyzed inferior-limited frequency of reverberation of measuring chamberlet.
介绍了海水管路系统中流噪声的小室测量方法及其特点,分析了测量小室的声场特性及产生混响的下限频率。
3.
A water muffler is brought up and used to reduce the flow-noise.
介绍了扩张室消声器的吸声原理及吸声特性,提出了用扩张室消声器来消除水管路流噪声,并从实验上分析了该扩张室水消声器的消声特性,实验表明该水消声器具有良好的消声效果。
6) fluid noise
流噪声
1.
Much valuable work on fluid noise and propeller noise can be done by means of remote submersible model.
探讨了一种新型的潜艇流噪声与螺旋桨噪声的模型试验方法——自航模水动力噪声测试技术。
补充资料：无噪声蒸汽流加热器
分子式：
分子量：
CAS号：
性质：见蒸汽加热器。
分子量：
CAS号：
性质：见蒸汽加热器。
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