saltation
英
美
n. 跳跃；跳动; （沙石、泥等的）跃移; 突变，飞跃
复数：saltations
英英释义
noun
- a light, self-propelled movement upwards or forwards
- taking a series of rhythmical steps (and movements) in time to music
- an abrupt transition
- a successful leap from college to the major leagues
- (genetics) a mutation that drastically changes the phenotype of an organism or species
- (geology) the leaping movement of sand or soil particles as they are transported in a fluid medium over an uneven surface
双语例句
- Frequency saltation and scope saltation are chosen to simulate the fault signal, which is processed with the algorithm of wavelet and digital filter.
选取频率突变和幅值突变仿真故障数据，分别采用小波分解和数字滤波的方法进行处理。 - Simulation to the sand saltation is carried.
同时采用单一轨迹法对沙粒的跃移进行了数值模拟。 - By using the wavelet transform and the non linear optimization, we calculated parameters and determined the saltation edges of the differential ECG.
该文应用小波变换对信号突变点检出的理论对微分心电信号进行分析，并用非线性最小二乘法进行参数拟合，确定了突变点的位置。 - Distribution of Initial Velocity of Lift-off Sand Particles in Aeolian Saltation Numerical simulation on influence of diffusion performance on airstream distribution in a room
风沙流中沙粒起跳初速度分布的探讨风速对室内气流分布影响的数值仿真 - Mutation analysis showed that the saltation of sunshine durations at tobacco growth period in western Henan occurred in1981.
突变分析表明，豫西烟区烤烟生育期的日照时数在1981年发生突变。 - Research on Sand Saltation Splash Function by High Speed Digital Camera
沙粒跃移击溅函数的高速数字摄像研究 - Based on the saltation, creeping and stability models, a two-dimensional numerical model is established to study the development process of aeolian ripples.
通过简单的跃移模型、蠕移模型和稳定模型对风成沙纹的形成过程进行了二维数值模拟研究。 - In order to obtain high precision data on grain saltation, the authors resorted to computerized image processing and recognition of the video images.
为获得有关颗粒跳跃的高精度数据，作者对摄像试验图像作了计算机图像处理和识别。 - Saltation can eject dust aerosols into the atmosphere, create sand dunes, and erode geological features.
跃移运动能产生沙尘浮质、形成沙丘地貌和侵蚀地貌。 - We first consider this minimum velocity for horizontal flow, the saltation velocity.
首先讨论在水平流动时的最低速度，即沉积速度。