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- Discuss techniques of avoiding spectrum aliasing of the PW Doppler system. 讨论怎样避免PW多谱勒系统的频谱混叠。
- Demonstrating the reliability and accuracy of the Doppler system, the rotation ofan electromotor and the reciprocating motion of an accelerometer calibrator aremeasured first. 测量了电动机转轴转速和加速度计校准仪的往复振动,验证了实验系统的可靠性和准确性。
- ABSTRACT> It is indicated experimentally that the receiving transducer in pulsed Doppler system should possess a broad band to get complete information about blood flow. 本文用实验方法证明,超声脉冲多普勒系统的接收换能器应有宽的频带,才能获得血流信息的全貌。
- The fuze is provided with some Anti-jamming function by means of instantaneous time average zero-over rate representing Doppler signal's frequency of continuous wave radio Doppler system fuze. 用短时平均过零率表征连续波多普勒体制无线电近炸引信多普勒信号频率,使引信具有一定的抗干扰能力。
- Doppler system with double frequency 双频多普勒系统
- Ultra High Frequency Doppler System 特高频多普勒系统
- Coherent on Rescue Doppler System 相干救援多普勒系统
- Your work falls short of my expectations. 你的工作未达到我的期望。
- Our escape was little short of miraculous. 我们能逃脱简直是个奇迹。
- A Differential Laser Doppler System for MEMS Motion Measurements 用于微机电系统运动检测的激光差动多普勒技术
- In the short term, the medicine may not be very effective. 从眼前来看，这药可能疗效不是很大。
- The hope of a short war went glimmering. 战争无望在短期内结束。
- Nothing short of this could mend the case. 不这样就不能挽回局面。
- Short skirts are no longer in vogue in Britain. 在英国，短裙现在不流行了。
- I'm a little bit tired. Let's take a short rest. 我有点累了。让我们休息一会儿。
- Of this breed we can make short shrift. 这个品种，我们能很快解决。
- Go and get some more oil so we don't run short. 去多弄些油来以免到时候用光了。
- Doppler system with single frequency 单频多普勒系统
- I am able to pick you up on the short wave radio. 我能用短波收音机收听到你的信号。
- I can boil down the facts to a short statement. 我可以把这些事实作简短的陈述。
