| 1. | Example shows that contact ratio and overlap ratio has the effect on the volume oil and the flow pulsating ratio 本文用实例说明了齿轮啮合重合系数对齿轮泵性能参数的影响。 |
| 2. | Firstly the reason of interference of flank is analyzed and contact ratio and overlap ratio and the point of profile modification are calculated according to two conditions 本文首先分析了齿轮发生啮合干涉的原因,并分两种情况计算了了齿轮的重合系数和修形位置。 |
| 3. | Finally there were 7 common characteristic peaks , overlap ratio of the characteristic peaks were more than 70 % , and the range of relative peak aera was less than 10 % 冬虫夏草cs - js菌系共有特征峰7个,特征峰的重叠率大于70 ,特征峰的相对峰面积范围小于10 。 |
| 4. | In laser surface hardening for the mould - roller , the hardened depth was controlled by laser specific energy density ( p / dv ) , and proper overlapping ratio is the technical key . 3 在模切辊激光表面强化中,激光比能密度p dv是影响相变硬化层深度的主要因素,搭接率的正确选取是模切辊表面强化技术的关键。 |
| 5. | Then a formula about flow of the gear pump and the coefficient of engagement overlap to find is obtained by area method . through analysis contact ratio and overlap ratio has the effect on the volume oil and the flow pulsating ratio 然后采用面积法求得齿轮泵流量与齿轮啮合重合系数的关系式,研究了齿轮啮合重合系数对齿轮泵困油和流量脉动率的影响。 |
| 6. | Finally , a modified planar subarray processing ( psap ) algorithm is presented . it improves the computation efficiency by solving the problem of large data overlapped ratio of psap algorithm in uwb - sar imaging . the quality of imaging is enhanced by change the keystone formatin and using the whole energy of the signal . the method of designing and implementing the window is given 最后提出了一种改进的平面子孔径处理( psap )算法,解决了在uwb - sar成像处理时, psap算法处理的数据交叠比很大的问题,提高了计算效率;改进了梯形变换,利用了信号的全部信息,提高了图像质量;给出了foldfft中窗函数的设计和实现方法;提出了用czt结合fft实现尺度变换,用尺度变换实现插值运算的方法,进一步提高了算法的计算效率。 |