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- negative frequency component 负频分量
- A new signal processing method for Coriolis mass flowmeter is proposed, which is based on the recursive DTFT algorithm and considers the contribution of negative frequency. 基于DTFT递推算法,提出了一种计及负频率影响的科里奥利质量流量计信号处理方法。
- The radiation pattern in the near and far field of each frequency component of the spectrum of current pulse on a transmission line. 传输线上脉波电流频谱中各频率成份在远近场区中场型之比较。
- This method firstly used two-dimensional chaos to generate template.After DCT transformation, graph's frequency component was added with the template. 首先利用时空二维混沌直接生成信息模板,加入到作品图像离散余弦变换(DCT)域的频率成分中去。
- To avoid aliasing, the sampling rate must be greater than twice the maximum frequency component in the signal to be acquired. 为了避免伪信号，采样率必须大于被采样信号最高频率的两倍的。
- The positive and negative frequency expressions of quasi-monochromatic optical fields of a pulse in fiber-optic communication and the positive and negative frequency forms of Fourier transformations and nonlinear Schr?dinger (NLS) equations are discussed. 摘要讨论光通信中脉冲的准单色光光场的正负频表示，正负频形式的傅里叶变换，正负频形式的非线性薛定谔方程及它们之间的关系。
- According to the Nyquist Theorem, the sampling rate must be more than twice the maximum frequency component of the signal being measured. 根据Nyquist定理，采样率必须是被测信号最高频率分量的两倍以上。
- First,it is required that the calculation of RMS of fundamental frequency component is not only accurate,but also real time. 针对电能质量指标中电压波动和闪变的计算问题,提出了一种基波有效值的快速算法。
- Positive frequencies are produced by anticlockwise rotation and negative frequencies by clockwise rotation. 正频率是用逆时针旋转来产生，而负频率是用顺时针旋转来产生。
- A new image fusion method based on biorthogonal wavelet that different frequency component on each decomposition level uses different operator is proposed. 摘要提出一种各分解层上的不同频率分量采用不同的融合算子的双正交小波函数图像融合的新方法。
- The invention discloses a high frequency filter for filtering a frequency component from a high frequency signal includes a capacitor and a branch line. 本发明公开了一种高通滤波器，用于从高频信号中对频率分量进行滤波，该高通滤波器包括电容器和支路。
- This algorithm can adaptively optimize the cost function and reduce the suppression of high frequency component of PET image by adaptively updating linear slope of the RP. 该算法通过对正则化线性斜率的自适应,更新动态优化代价函数,以降低对PET图像高频成分的抑制。
- This sequence means that the high frequency component is recovered first and the low frequency component is recovered in the succeeding iteration steps. 另外新算法还使相邻子集尽可能分离以减少投影间的相关性，达到加速收敛的效果。
- The remaining frequency components, which contain both harmonics and noise. 他们之中包含着谐波和噪声。
- As an example of the applications of EPD method, the locking ability of various narrow band phase locked loops to each frequency component in the spectrum of an input signal is discussed, and some problems are clarified. 作为一个用例,本文讨论了各种窄带锁相环对输入信号中各频谱成分的锁定能力,澄清了一些问题。
- Low frequency component of BPV were significantly increased in women with preeclampsia compared with normal pregnant women (P>0.05). BRS was lower in preeclampsia than in normal pregnancy (P<0.05). 妊高征孕妇BPV的低频成分显著高于正常妊娠孕妇(P<0.;05);BRS较正常妊娠孕妇降低(P<0
- The answer to my request was in the negative. 对我的请求的答复是否定的。
- In such a case, there would be an infinite number of possible and differen' sinusoids (of varying amplitude and phase) of the Nyquist frequency component that are represented by the discrete samples. 引入低通滤波器或提高低通滤波器的参数；
- An acoustic-emission pulse contains a very wide range of frequency components, extending up into the megacycle range. 声发射脉冲就包含一个很宽的频率组成范围，可扩展到兆赫。
- His answer to my request was a negative. 我的请求遭到了他的拒绝。
