After a correlation process is subjected to the fluctuating transmission signals, the transmission fluctuation correlation spectrum is obtained to achieve the particle siz.
消光起伏相关频谱法(TFCS)是一种新的颗粒测量方法。
A series of measurments of the irradiance scintillation of a He Ne laser beam propagating over complex terrain were carried out.
对复杂地形情况下实际湍流大气中的激光强度起伏进行了系统的实验观测 ,分析了光强起伏统计特征的周日及全年变化规律。
We carried out a series of measurments of the irradiance scintillation of a He Ne laser beam propagating through a real turbulent atmosphere in a whole year.
对实际湍流大气中的激光强度起伏进行了系统的实验观测，详细分析了光强起伏的强度、概率密度分布与功率谱的统计特征及其周日、全年变化规律。
The influence of atmospheric turbulence on multiple-beam atmospheric laser communication and the characteristics of optical intensity fluctuation after the multiple beams passing through atmospheric turbulence are analyzed theoretically.
首先从理论上分析了大气湍流对多光束大气激光通信系统性能的影响和多光束大气传输的光强起伏特性 ,然后利用统计分析的方法 ,建立了一个以传输距离z、光束数目n、发射孔径之间的距离St、接收孔径Dr 等为参量的多光束大气传输信道模型。
The statistical characteristics of the laser log-intensity fluctuation and beam pattern in a turbulent atmosphere were studied systematically.
我们系统地研究了激光在湍流大气中的光强起伏与光斑统计特征。
The intermittency characteristics of laser irradiance scintillation in a turbulent atmosphere were checked qualitatively via the wavelet transformation, and a quantitative description method based on the singularity measure analysis was adopted to study the intermittency in a systematic manner.
以小波变换法观察了湍流大气中激光光强起伏的间歇特征，并用奇性测度进行了定量的描述。
From the relationship between the scaling exponent and the scintillation index we found that the characteristic of the power spectrum is different for the winter and the summer.
以５线段拟合法建立了确定湍流大气中激光对数光强起伏频谱的无标度区间的方法。
The larger the structural fluctuation of RFE was, the lower the relaxation degree was in the same frequency condition.
在相同的频率条件下,弛豫铁电体的结构起伏程度越大,弛豫程度越低.
Either the maximum and minimum stresses of one of these and the mean stress-are required to specify the fluctuation.
需要两个值：最大应力和最小应力或二者之一和平均应力，以确定其起伏程度。
There is less demand for alarms in open rolling terrain.
开阔的丘陵起伏区对报警器的需要程度较
Method Study of Pre-Stack Wave Equation Depth Migration Methods Based on Irregular Topography;
起伏地表条件下的波动方程叠前深度偏移方法研究
Analysis on Wave-form Change of Mediation in Last 20 Years and a New Adversary Party-oriented Principle on Its Reform;
法院调解：20年起伏历程分析与当事人主义新型定位的制度构建
Distribution of Elevation and Relief Amplitude in the Eco-environment Seriously Damaged Areas of Wenchuan Earthquake
汶川地震生态环境破坏严重区地形高程和起伏度分布特点
The terrain may be too steep or the trails too rugged.
地形也许过于陡峭或者路程过于起伏。
The announcement was punctuated by cheers from the crowd.
在宣布过程中, 群众的欢呼声此起彼伏.
Downward Continuation of Seismic Wavefield with Topography From 2-D Acoustic Wave Equation
起伏地表二维声波方程地震波场延拓
His eyes were back on the faint pulsing movement in the chest.
他再度注意着胸部轻微的起伏动作。
The Association of the Harmony Process and the Dynamics Design in Piano Music;
钢琴音乐和声起伏与力度设计的关联
A Study of the Geomorphologic Forms Classification Based on Relief
基于地形起伏度的地貌形态划分研究
To rise and fall in turn, as waves.
起伏如海浪般上下起伏
Study on starting datum of wave equation wave field continuation for rolling surfaces
起伏地表波动方程波场延拓起始面研究
Study on Water Hammer Protection in Long Distance Water Pipeline with High-lift and Multi-fluctuation
长距离高扬程多起伏输水工程水锤防护研究
Research on water hammer prevention in high-lift,hilly and long distance water transmission pipeline
长距离高扬程多起伏输水管道水锤防护的研究
Intensity fluctuation of any or all components of a received signal.
接收信号的部分或所有成分的强度起伏波动。
I feel lucky to have parents that stay together through the ups and downs. Congratulations.
我感到幸运,有父母双亲相伴,度过起伏人生。恭喜。