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- reflection wave frequency 反射波频率
- A method for measuring the SWR of little reflection wave guide element at high frequency is introduced. 介绍了一种测量小反射波导元件高频状态下驻波比的方法 ,可解决通常方法解决不了的问题。
- A reflected wave received by a radio or radar. 反射波收音机或雷达接收到的反射波
- The result shows that the crosswell seismic reflection data is characterized by weak reflection wave field, high frequency, and powerful energy of pipe waves. 对井间地震资料进行了分析，指出井间地震资料具有反射波场较弱、频率很高、管道波能量很强等特点；
- The image of seismic discontinuous points is analogous to CMP stacking technique in reflection wave exploration. 地震不连续点成像类似于反射波勘探中的共中心点叠加技术.
- The coefficient of variation (CV) of slow wave frequency and abnormal rhythm index (ARI) increased obviously. 慢波频率变异系数(CV)及异常节律指数(ARI)显著增加;
- In conventional seismic data processing,reflect wave migration images are based on common depth point (CDP)or common midpoint (CMP)stacking technology. 在常规地震数据处理过程中,反射波的偏移成像是基于地震数据的共深度点或共中心点叠加技术进行的。
- The radiation wave frequency of semiconductor laser is shifted correspondently when the injecting current is changed. 半导体异质结激光器在注入的电流发生变化时，输出激光的光频也随之改变。
- The seismic exploration resolution is not so high that a seismic reflection wave is the re-sult of a superposition of the thin-interlay reflection. 由于地震勘探分辨率不高，使得每一个地震反射波都是一组薄互层所产生地震波相互叠加的结果，利用这样的地震资料进行常规的薄层、薄互层解释是十分困难的。
- Techniques and problems in processing crosswell seismic reflection wave data are discussed and the crosswell seismic reflection data is analyzed. 为此，对井间地震反射波资料处理中的一些技术和问题进行了讨论。
- The researchers may through expose the waterdrop under the different sound wave frequency may control its vibrational frequency. 研究人员可通过将水滴暴露于不同的声波频率下可以控制其振动频率。
- The relation between collisional absorption of the EM-wave and the plasma density, plasma collision frequency, and incident wave frequency is obtained. 给出了不均匀非磁化等离子体密度、等离子体碰撞频率、电磁波频率与碰撞吸收的关系。
- The coherent body technique is used to compare similarity of local seismic wave forms,where the coherent value is low,usually related to the reflection wave form discontinuity. 相干体技术是利用三维数据体来比较局部地震波形的相似性,相干值较低的点与反射波波形不连续性相关。
- Miniature passive hydrogen maser is developed at Shanghai Observatory which employs compact cavity design and square wave frequency modulation. 介绍了上海天文台被动型小氢钟的设计和研制,给出了初步的测试结果。
- The reflection wave of coal layer has been filtered,the diffracted wave scattered from the break point is enhanced,and the interpretation of samll KCC is improved. 在深入分析松辽盆地北部各断陷天然气成藏条件的基础上 ,指出各断陷在烃源岩发育、有机质演化程度和盖层条件上存在明显的差异。
- AD9851 driver can generate the sine wave frequency controllable. At the same time can serve as a reference, study and AD9852, AD9854 use! AD9851的驱动程序，可以生成频率可控的正弦波。同时可以作为参照，学习AD9852,AD9854的使用！
- The formula of the first term for spheric wave propogating in ealstic medium has been derived,including the first terms of direet wave,reflection wave,and transmitted wave. 本文推导了球面波在弹性介质中传播的首项公式,包括直达波、反射波和透射波的首项。
- On table, colour is to pass cup dish, the mat of tableware, eat and candlestick theme that will reflect wave general stripe. 在餐桌上，色彩是通过杯盘、餐具、餐垫以及烛台等来体现波普条纹的主题。
- On the basis of the introduction of STEL-1479 and PIC16C73A,The middle wave frequency synthesizer which is based on DDS and controlled by single chip is designed. 在介绍DDS芯片STEL-1479和PIC16C73A单片机的基础上,设计了一种利用单片机控制DDS芯片实现的中波频率合成器。
- A detector at B will then record the time of arrival of the reflected wave. 于是在B点的检波器将记出反射波到达的时刻。
