旋转噪声 meaning in English
rotation noise
rotational noise
Examples
- The cooling fan noise comprises the rotation noise and the turbulent noise
风扇噪声由旋转噪声和湍流噪声构成。 - The noise of the fan is mainly consist of circumrotatory noise and backset noise based on the theoretical analysis
首先基于风机噪声理论的分析确定了影响风机噪声源的主要因素是旋转噪声和涡流噪声。 - In chapter 5 , the helicopter as350b2 rotor are taken as numerical examples in order to validate the model developed in chapter 4 . finally , chapter 6 summarizes the current research , some advices for future research on this subject is given
应用该模型,第五章以法国宇航公司生产的as350b2 “小松鼠”直升机为算例,计算了前飞状态下孤立尾桨的旋转噪声,验证了计算模型和计算方法的正确性。 - The turbocharger noise is formed by the rotation noise resulting from the periodical air cutting of the fan blade and the turbulent noise of high - speed gas flows . as a continuous high frequency noise , it mainly falls between the 500 to 10 000 hz range
涡轮增压器的噪声是由于叶片周期性地切割空气产生的旋转噪声和高速气流形成的湍流噪声而形成的，是一种连续性的高频噪声，主要分布在500 ~ 10000hz的频率范围。 - In order to analyze the rotation noise further , a new method for measuring the amplitude and phase of each harmonic component of periodic signal mixtures is established based on the morlet transform and fourier transform in theory , which will provide scientific warranty for reducing noise of disk mill
为了进一步分析爪式粉碎机的旋转噪声，理论上利用morlet小波变换结合fourier变换对旋转噪声各次谐波成分的振幅和初相位的提取，作了初步探讨。