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- First,the pulsar signal in one period is decomposed by multi-SWT. 首先,对一个周期内的脉冲星信号进行多层平稳小波分解。
- The pulsar signal is a kind of typical nonstationary random signal which SNR (Signal to Noise Ratio) is very low. 摘要脉冲星信号是一种典型的非平稳信号,且信噪比非常小。
- The treatment to pulsar signal only confine to the adding of the pulsar signal by cycles at present. 目前对脉冲星信号的处理仅局限于对脉冲星信号不同周期的迭加。
- EMD method decomposes pulsar signal into a group of Intrinsic Mode Functions(IMF). 利用经验模态分解将信号分解为一组固有模态函数(IMF)。
- This paper carries on research to denoise the pulsar signal by using wavelet transformation, and choose the optimum wavelet and resolving level. 根据脉冲星信号的特点采用小波消噪的方法对其进行处理,并对小波的选取和分解层数的优化进行了研究。
- Once the computer splits the signal into sine waves with different frequencies, it compares the model for a pulsar signal with the sine waves your computer found. 一旦计算机将信号分成一个个不同频率的正弦波,计算机就会将从脉冲星型号的模型得到的正弦波进行比较。
- Pulsar signals should be nearly sinusoidal after the Doppler shifts are taken out, so Fourier transforms pick them up pretty easily. 当多普勒偏移去除后,脉冲星的信号应当近乎是正弦曲线的样子,所以傅里叶变换可以很容易的去除多普勒效应。
- Finally, after the comparison among these algorithms, it is shown that this easy-to-implement dc-dispersion algorithm needs less amount of computation, and can dc-disperse pulsar signals effectively. 最后,通过将这种算法的计算量以及结果和其他几种算法做横向比较,得出了结论:这种消色散算法的计算量小,实现简单,可以有效的进行消色散处理。
- A red light is usually a signal of danger. 红灯通常是危险的信号。
- I stood watching for the signal to change to green. 我站着等待交通信号转为绿灯。
- Let's set the clock by the radio time signal. 咱们照着收音机的报时信号把钟对一对。
- A red lamp is often a danger signal. 红灯常常是危险的信号。
- A reflected signal on a communication channel. 一种在通信信道上反射回来的信号。
- The rise in prices was a signal for rebellion. 物价上涨引起了叛乱。
- A channel over which pilot signal is transmitted. 可在其上传输导频信号的一种信道。
- They discovered a new pulsar wake. 他们发现了一个新的脉冲星尾迹。
- The most famous example is the Hulse-Taylor pulsar. 最其名的例子就是哈尔斯-泰勒脉冲星。
- The signal was picked up by a downrange radar station. 该信号被试验飞行方向之内的雷达站收到了。
- The driver is winking his lights to signal a turn. 驾驶员打着一闪一闪的灯光信号表示要转弯。
- Everyone uncovered when the signal sounded. 信号响时,人人脱帽致敬。