| 1. | They could detect signals from civilizations 1, 000 or more light-years away .
它们能探测来自1000光年或更远的文明世界的信号。 |
| 2. | Numerical simulation on alternating current field measurement and sensitivity analysis of detected signal
交流电磁场检测数值仿真及其信号敏感性分析 |
| 3. | Because of the disturbance of environment and apparatus , the detected signal is very faint and the detection is very difficult
由于检测信号非常微弱，极易受到外界环境和器件本身的干扰，所以测量困难。 |
| 4. | In practical project , we can have real - time processing by microcomputer to analyze the spectrum of the detected signal ' s harmonics
我们可以在实际工程中用微机对信号加以实时处理，分析其各次谐波的频谱。 |
| 5. | Several questions in classical spectrum estimation are presented . at last the extrapolation of hrv signal is obtained . since the detected signal is
为了得到正确的谱估计，必须对有限长的信号外推得到无限长的信号。 |
| 6. | The cumulation of tdfcsd in a certain period eliminates the remainder noise more , and the ability of detecting signal ' s frequency is improved
通过对某段时间得到的功率谱密度累积，进一步改善snr ,提高信号频率的检测能力。 |
| 7. | Standard practice for determination of the specimen area contributing to the detected signal in auger electron spectrometers and some x - ray photoelectron spectrometers
用x射线光电子光谱仪和俄歇电子光谱仪测定影响检测信号的样品面积的标准实施规范 |
| 8. | A fault diagnosis method using wavelet analysis to detect signal singularity and extract fault symptom , and then using neural networks to classify is proposed
提出了一种基于小波分析的奇异性检测和故障特征提取，用神经网络进行故障分类的诊断方法。 |
| 9. | They are similar in both hardware and software . as far as technic parameter is concerned , self - guided system detecting signal source is more difficult than signal source inside torpedo
两者在软硬件上有诸多相似之处,而在各项技术要求上,自导系统检测信号源要高于雷内信号源。 |
| 10. | From the research phase to the product , the torpedo self - guided system needs two important signal sources - - - - signal source inside torpedo and self - guided system detecting signal source
鱼雷自导系统从研制阶段到最后投入使用的过程中,需要两种信号源? ?雷内信号源和自导系统检测信号源。 |
