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- Characteristic of Multiply Backscattered Signal of Meteorological Lidar[J]. 引用该论文 王春晖;张建;李明卓;王骐.
- Therefore, the relation between the matching state and the level difference of the backscattered signal is also investigated. 因此，在本论文的最后，我们设计实验并进行量测，并利用得到的结果分析匹配状态与反射信号振幅差距的关系。
- According to the size of SCS of ultrasonic backscattered signals, the status of cancellous bone may be assessed. 根据超声背散射信号质心偏移量的大小，可用于评价松质骨健康状况。
- In a dense-interrogator mode, tags backscattered signals by amplitude-shift keying (ASK) modulation and miller modulated subcarrier (MMS) encoding. 在本论文提出一种在有限的频宽下，有效率之新颖的通道配置方法。
- There may be unreal peaks on backscattering signal curve in themeasurement of optical fiber links by OTDR. 用OTDR测试光纤线路时，其背向瑞利散射信号曲线上常出现幻峰。
- The work presented here is a comprehensive study of using time reversal to detect objects located in an inhomogeneous environment using backscattered signals with an emphasis on littoral environments. 近年来，时间反转法已应用于平板破损侦测之研究，时反法是利用声波时反回传讯号的不变性，进而检验结构有无破损之情况。
- Abstract： There may be unreal peaks on backscattering signal curve in the measurement of optical fiber links by OTDR. 摘 要： 用OTDR测试光纤线路时，其背向瑞利散射信号曲线上常出现幻峰。
- Besides the backscattering signal from particles,however,the acoustic backscatter gathered from the sampled volume by the system also contains additional interference and noise. 可是，遥测系统对采样体积采集的声反向散射，除了粒子的散射信号外，还包含附加的干扰和噪声。
- The Autoregression (AR) cepstrum is put forward to estimate the mean spacing of trabecular bones in cancellous bone based on ultrasonic backscatter signal. 对牛胫骨和人离体跟骨松质骨中的超声背散射信号采用AR倒谱法进行了分析,并估计了牛胫骨和人离体跟骨中骨小梁的平均间距。
- A modified noise figure measuring method is proposed so that the noise figure accounts for the MPI deriving from the sum of Rayleigh backscattering signal components. 随着拉曼增益的增加,输入信号功率越大、背向瑞利散射越大,多路干涉的影响越大。
- A red light is usually a signal of danger. 红灯通常是危险的信号。
- Based on invariability of the quality factor of wavelet transform, combined with proper wavelet group, this paper discusses the application of wavelet transform in the detection of backscatter signal. 摘要基于小波变换品质因数不变性的特点，结合适当的小波基，探讨小波变换在回波信号检测中的算法。
- 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。
- The SCP of backscattering signals approach the emissive center frequency with increase of ages. 随年龄的增大，质心位置越接近于发射超声的中心频率。
- A reflected signal on a communication channel. 一种在通信信道上反射回来的信号。
- The CW usually overwhelms the weak tag backscatter signals, and leads to unrestorable demodulation errors. 此连续波通常比标签回传讯号强，因此会覆盖掉微弱的标签反向散射讯号，并且导致不可回覆的解调错误。
- The rise in prices was a signal for rebellion. 物价上涨引起了叛乱。
- Abstract: The spectral centroid shift （SCS） of ultrasonic backscattering signals is introduced to assess cancellous bones. 文章摘要: 采用超声背散射信号的质心偏移量来评价松质骨。
