| 1. | Study on enhancing sensitivity techniques for bragg fiber grating stress sensors
光纤光栅压力传感器增敏技术的研究 |
| 2. | Enhanced sensitivity of ovarian cell line to cisplatin induced by mifepristone and its mechanism
米非司酮对卵巢癌细胞的增敏作用及其机制的研究 |
| 3. | Seeking for novel materials and techniques to develop biosensors with imrpoved selectivity and enhanced sensitivity has been a subject of keen interest in analytical chemistry
寻找新材料、新方法,发展选择性好、灵敏度高的生物传感技术一直是该领域研究的热点。 |
| 4. | In addition , the latest trend in this field is introduced , such as diffusion tensor imaging , new generation contrast agents , sample spinning as well as image processing algorithms that help enhance sensitivity and resolution
另外，我们也将提到此一领域的最新研究动向，如扩散张量成像、新型造影剂的研究、样品旋转以及增强灵敏度和分辨率的新脉冲序列和图象处理演算法等。 |
| 5. | The research on the characteristics of an interferometric fiber - optic hydrophone element with a concentric mandrel including an enhanced sensitivity layer and the results derived from it are propitious to optimize the design and performances of the hydrophone
论文对含弹性增敏层的同轴干涉型光纤水听器的特性分析和结论对该结构光纤水听器的优化设计和性能改进有重要的指导意义。 |
| 6. | 3 . with comprehensive improvement of transponder including structural adjustment to lna ; optimization of ( phase locked loop ) pll filter ; structural adjustment to the transmitter and phase error adjustment to the intermediate frequency demodulation circuit , we have successfully enhanced sensitivity , expanded dynamic range , increased transmitting power and improved the spectrum purity ; decreased capture time for pll ; improved the signal quality after demodulation ; reduced its volume and power consumption . 4
3 、对通信机的全面改进，包括lna结构的调整、锁相环环路滤波器的优化、发射部分结构的调整以及中频解调电路的相差调整，提高了系统的接收灵敏度、改善了本振的频谱纯度、减少了锁相环的锁定时间、使中频解调后的信号质量大为提高，同时还减少了体积、节约了系统的功耗。 |
| 7. | This paper investigates the pressure sensitivity of an interferometric fiber - optic hydrophone element with a concentric mandrel including an enhanced sensitivity layer based on the theory of elastic mechanics and finite element method ( fem ) and then investigates its harmonic frequency and vertical directional property using fem , and verifies all the results derived from theoretic analysis at last
本文分别基于弹性力学的理论和有限元的方法对含弹性增敏层的同轴干涉型光纤水听器基元的声压灵敏度进行研究,并基于有限元的方法对其谐振频率和垂直指向性进行分析,最后用实验对各项分析结果进行了验证。 |
