| 1. | Study on sar satellite beam directivity of antenna jitter
卫星天线扰动对波束中心指向的影响 |
| 2. | Directivity index of microphone
传声器指向性指数 |
| 3. | Antenna element directivity
天线单元方向性 |
| 4. | Horizontal directivity pattern
水平方向性图 |
| 5. | Vertical directivity pattern
垂直方向性图 |
| 6. | The research of directivity of the sound field through mechanism of laser - induced liquid breakdown
液体中光击穿所激发声场的方向性 |
| 7. | The directivity fibers on the surface , could prevent run down of the suspended solid
由于表面有方向性植毛，可有效阻止污泥的流失。 |
| 8. | Noise directivity of impinging jet from a small diameter axis ymmetric convergent nozzle on a large flat plate
低速冲击载荷下加筋板弹塑动力响应分析 |
| 9. | These are important for developing new antennas with a high directivity and a high workability
这些结果对发展高方向性、可实用化的新型天线具有重要意义。 |
| 10. | The directivity , sensitivity and gain of the extended hydrophone are researched based on the model
以此模型为基础,计算分析了成组光纤水听器的指向性和灵敏度。 |
