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- Through comparison and analysis of the section plans, it displayed that the image effect by the centroid frequency downshift method is better than by the intensity attenuation method. 通过分析比较两种方法的成像效果图可以看出,质心频移法的成像效果要好于场强衰减法。
- centroidal frequence 形心频率
- A NEW STUDY FOR THE DOPPLER CENTROID FREQUENCY ESTIMATE FROM THE SAR ECHOES 星载SAR的多普勒中心频率估计的新探索
- Keywords Radio wave penetration;Attenuation;Finite-difference method;Forward simulation;Centroid frequency downshift;Computed tomography; 无线电波透视;衰减;有限差分法;正演模拟;质心频移;计算机层析成像;
- Forecasting high frequence load by time sequence method. 运用时间序列技术预测高频负荷。
- centroidal frequency 形心频率
- The results showed that the centroid and ward are better than other methods. 比较发现类平均距离法、离差平方和法要优于其他方法。
- The results show that the frequence of acid snow is different every year,but. 结果表明,降雪的酸雪频率各年均有不同,但都比同季中降雨的酸雨频率低;
- centroid frequency 形心频率
- centroid frequency downshift 质心频移
- Each observation could have been weighted inversely as the distance or as the square root of the frequence. 每次观测可以倒过来加权作为距离或作为频率的平方根。
- Design of high accuracy inspecting system for measuring centroid and centroidal deviation of bullets[J]. 引用该论文 YAO Guo-nian;WEI Jun-hu;ZHAO Xi-lin;SUN Guo-ji.
- A Study on Community Structure of Lespedeza and the Influenceof Cutting Frequence for its Nutrient Component. 胡枝子群落结构及刈割对其营养成分影响研究。
- We use signed distance and centroid to defuzzify the total cost in the fuzzy sense in fuzzy inventory without backorder. 利用有号距离和形心将无缺货补货的模糊库存的总成本利用有号距离和形心解模糊化。
- Pivotally analysing vibration paramentin time field and frequence chart in frequence field. 重点对振动参数进行了时域分析和频率域的频谱分析。
- A measure velocity method is given by michelson intefese to deal with Lasen Doppler frequence change. 通过采用迈克尔逊干涉处理激光多普勒频移信息的方法,实践测量物体运动速度。
- In the fully plastic condition, the neutral axis does not necessarily pass through the centroid. 在全塑状态下,中性轴不一定需要通过形心。
- The frequence of all the ten fingers that have the WL is 1.91% (Man),10.5% (Han). 十指均有白线频率为1.;91%25(满族)和10
- A new method to estimate Doppler centroid and Doppler rate applicable to real flight condition is proposed. 该方法设置飞机速率和脉冲重复频率比为常数,保证方位向接收信号均匀空间取样,使用实时最小二乘拟合算法。
- For all optimized configurations, there is no imaginary frequence in the vibrational analysis. 利用能量梯度法优化构型,对各优化的构型作振动分析,均未出现虚频率。
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries