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- Time averaged wavelet spectrum 时间平均小波谱
- Gauss linear frequency modulation wavelet is selected as base function to study wavelet spectrum, and its smoothed spectrum in time and frequency domain. 在前人工作的基础上,选用了高斯线调频小波作为基函数,研究了信号的小波谱,给出了小波谱在时间域及频率域的平滑谱并与傅里叶谱进行了比较。
- Secondly, extract seismic wavelet from borehole side seismic trace by cestrum method to get wavelet spectrum in frequency domain. (2)对时间域的井旁道记录利用同态反褶积方法提取地震子波,得到频率域的子波谱;
- The circle of contact takes on time averaged, instantaneity, periodicity and crumbliness in flow field of angle burner high length-with ratio furnace. 角式喷燃、高长宽比炉膛中,切圆在流场中旋转,具有时均性、瞬时性、周期性和破碎性。
- LFM signal detection and parameter estimation is deduced.At last, wavelet transform of LFM signal is presented, and LFM signal detection based on wavelet spectrum is studied. 线性调频信号的检测与参数估计是一个广泛受到关注的问题,分析了线调频信号的小波变换,并提出了基于小波谱的线性调频信号检测的算法。
- Time averaged temperature distributions on rotor surface will greatly change with the hot streak/airfoil ratio, and the temperature distribution changes more on the pressure surface than that on the suction surface of the rotor. 改变热斑数与导叶通道数比会对动叶时均温度分布产生较大影响,动叶压力面温度分布所受的影响更大。
- Theoretical derivation indicates that time averaged three-order cumulant of signals, which are from random phase harmonic processes, is nonzero and its one-dimension slice is also a harmonic process. 理论推导表明,随机相位谐波过程时间平均三阶累积量为非零值,而且其一维切片仍然是谐波过程。
- wavelet spectrum distortion measure(WSDM) 小波谱失真测度
- The influence of network noise can be eliminated by time average method. 利用时间平均方法消除了网络噪声的影响。
- Predefined number of measurements and time averaging performed within the predefined demand interval. 提供最先进技术,计算各种实时参数的平均值;以。
- Data is average: Data (arrowy value of a quantity) take when scanning every time average. 数据平均:数据(矢量值)在每次扫描时取平均。
- Fruit juices ferment if they are kept a long time. 果汁若是放置很久,就会发酵。
- Time is sometimes called the fourth dimension. 时间有时被称为第四度空间。
- I think the work can be completed ahead of time. 我认为这项工作能提前完成。
- He will come on time even though it rains. 即使下雨,他还是会准时来的。
- Reading occupies most of my free time. 阅读占去了我大部分的闲暇时间。
- Time Average of Bilinears. Energy Flow in Plane Waves. Circular and Elliptic Polarization. Phase and Group Velocities. Dispersion. 双线性之均时。平面波之能量流。圆形及椭圆形极化。相速度与群速度。色散。
- As the reducing calculation of the flood called"7.25"type,the time average reservoir inflow hydrograph of Saba Reservoir isrotton. 还原计算“7.;25”洪水后,得到了卅把水库时段平均入库流量过程线,经修匀后得到的入库流量过程线,接近实际情况。
- I need some time to orient my thinking. 我需要一些时间来使我的思想适应。
- Variation of time average velocity and Reynolds stress before and after planting eichhornia crassipe in the watercourse is analyzed based on laboratory experiments. 通过室内试验。分析了在河道种植凤眼莲前后水流时均流速和雷诺应力的变化。