如果间歇性的小尺度破碎正在发生,平均能量密度就要受到长波波峰附近状况的限制。
If intermittent small scale breaking is occurring, the average energy density is limited by conditions near the long wave crests.
在数据处理算法中,在线应用了半正交小波算法进行行波波头的检测,以提高行波定位的准确性。
To improve the location accuracy of travelling wave, the semi orthogonal wavelet algorithm is applied in the data processing to detect the wavefront of travelling waves.
小波分解形成了图像能量的聚集,这种聚集可以形成更多的零树,而MSR作为对对偶小波波形集中度的度量参数,同样也可以作为衡量零树编码效率的度量。
Wavelet decompose can made the energy of image get together to the low frequency, thus it can form more zero-trees and MSR as the measure of the efficiency of zero-trees coding.
针对小波变换在故障检测与测距中应用的实际问题如小波基函数、小波变换初始数据、行波波速的选取等进行了研究。
The practical problems in the fault detection and fault location using the wavelet transform, such as the wavelet basis function, the initial data, the velocity of traveling wave are studied.
通过算例验证,结果表明该方法与传统的小波模极大值法相比,较好地解决了行波波形的伪极值点问题,提高了故障定位精度。
This paper also does some examples to show that a curve matching method based on wavelet deal with false value better and have higher accuracy than modulus maxima of wavelet transform method.
在毫米波波段,菲涅尔区相位修正平面(FZP)天线以轴向尺寸小、平面化结构、加工简单的优点,可以作为传统反射面天线的替代天线。
At millimeter-wave band, Fresnel Zone Plate (FZP) antenna has the advantages of simple structure, planar configuration and low cost, while giving performance comparable to the parabolic antenna.
在毫米波波段,菲涅尔区相位修正平面(FZP)天线以轴向尺寸小、平面化结构、加工简单的优点,可以作为传统反射面天线的替代天线。
At millimeter-wave band, Fresnel Zone Plate (FZP) antenna has the advantages of simple structure, planar configuration and low cost, while giving performance comparable to the parabolic antenna.
应用推荐