Regarding to the China commercial vehicle noise limit for second phase defined in standard GB1495—2002,A serial of noise control measures had been conducted on DFL vehicle,Finally the satisfactory results was obtained.
针对中华人民共和国国家标准 GB1495—2002《汽车加速行驶车外噪声限值及测量方法》第二阶段噪声限值,我公司根据自身特点,对商用车噪声开展了一系列切实可行的控制方法,最终使商用车噪声达到比较满意的结果。
3D Medical Image Segmentation Based on Level Set Method;
基于水平集方法的瑞利噪声医学图像分割
Rayleigh Wave Tomography in North-China from Ambient Seismic Noise
华北地区瑞利面波噪声层析成像研究
Analysis of Rayleigh Backscattering Noise in Micro-Optical Resonance Gyroscope
硅基微光学谐振式陀螺瑞利背向散射噪声分析
Measurement of Double Rayleigh Scatter Noise in Distributed Raman Fiber Amplifier Using the Time-domain Extension Method
用时域消光法测量分布式光纤喇曼放大器的双瑞利散射噪声
Measuring the Noise of Amplifier with Mean Voltmeter;
利用平均值电压表测量放大器的噪声
Research on the Adaptive Active Noise Control Algorithm by MATLAB
利用MATLAB对噪声主动控制算法的研究
CMOS LNA Design Using Cadence
利用Cadence设计COMS低噪声放大器
Rayleigh-Sommerfeld Diffraction Formula on the Thin Acoustic Lens With Larger Aperture
较大孔径薄声透镜声场的瑞利─索末菲衍射公式
Active Noise Control Using Acoustic Holography in Local Free Space
利用声全息方法实现自由场局部有源噪声控制
internal-noise bandwidth
内噪声[固有噪声]带宽
Johnson noise
【无】热(激)噪声
Discussion of Pseudo Rayleigh Wave?s Velocity and Amplitude in Full Waveform Well-logging,
声波全波列测井中类瑞利波速度及幅度的讨论
Rayleigh modification on resonance frequency of catenary horn
悬链线形超声变幅杆共振频率的瑞利修正
The method for fan? s fault diagnosis by using noise frequency spectrum was described.
探讨利用噪声频谱进行风机故障诊断的方法。
Improve the Signal Distinguish from Course of Warn-noise Through Image Enhancement Technology;
利用图像增强提高噪声警戒历程中的目标检测
Study of Identifying Vehicle Noise Source with Partial Coherence Function;
利用偏相干函数法识别汽车整车噪声源的研究
A Random-sequence-generator Based on the Noise Signals of the Computer Power;
一种利用计算机电源噪声的随机序列发生器
Near realtime monitoring the change of group velocity of short-period surface wave via seismic noise analysis
利用地震噪声准实时监测短周期面波波速变化