查询词典 orthogonality

Thus, in OFDM communication sytems, carrier frequency offset must be estimated and compensated at the receiver to minimize the effects of intercarrier interference and maintain orthogonality.

因此，在正交频分复用通信系统中，接收信号必须进行频率偏移估计和补偿来减小载波间干扰并维持子载波之间的正交性。

However, for mobile applications, channel variations within an OFDM block period destroy the orthogonality between subcarriers; the effect, known as Intercarrier Interference, will degrade the system performance.

然而在行动通讯的应用上，时变通道破坏了子载波间的正交性，造成载波间的互相干扰因而降低系统效能。

Time variations corrupt the orthogonality of the OFDM subcar-rier waveforms so that intercarrier interference occurs.

OFDM系统对时间选择特性信道非常敏感，Doppler频移的出现会造成OFDM系统子载波不再正交，对系统引入载波间干扰。

Compared with scalar wavelets, multiwavelet offers simultaneous orthogonality, symmetry and short support, which is not possible for scalar wavelets, and it plays an important role in the signal processing. Especially in increasing identification efficiency and reducing misdeem ratio of aviation picture in military reconnaissance, multiwavelet plays a more important role.

多小波技术把十分重要的光滑性、对称性、正交性、有限支撑等完美地结合起来，弥补了单小波的不足，为信号处理领域开辟了新纪元，尤其在提高军方侦察航空图像的判读效率、减少误判率方面更具有十分重要的意义。

There is abrupt phase change in nonsinusoidal waves modulation. It can easily produce impulse current and bring large difficulty to high-power emission system; so it is not beneficial to holding the orthogonality between the orthogonal pulses and demodulating information.

非正弦波调制信号存在相位突变，在工程实践中易产生较大的冲击电流，给大功率发射系统带来较大困难；而且相位不连续也不利于保持正交脉冲间的正交性，不利于信息的正确解调。

We know that if the prefilter is nonorthogonal, the discrete orthogonal multiwavelet transform will not preserve the orthogonality.

我们知道，如果预滤波器是非正交的，则离散正交多子波变换的正交性将&丧失&。

Certain relevant concepts for Integal-Period Sampling , such as the orthogonality of the trigonometrical functions, Fourier coefficents, and aliasing effect etc. are extended to the case of NIPS.

进而将整周期谐波分析中的一系列概念，例如三角函数的正交性、Fourier系数，谐波分析中的关系，混迭等引伸到非整周期采样中来。

Based on the conclusion, we adopt a new method to eliminate multiples, which is to use the statistic character of error, obtain inverse wavelet's estimation, correct misshaped inverse wavelets for non-orthogonality in inverse wavelet domain by the estimation. The method mainly has four steps.

在此基础上，本文提出了在逆子波域（单道自适应相减滤波的滤波算子的集合），利用其误差的概率分布特征，对逆子波进行估计，用逆子波的估计对逆子波进行校正来消除多次波的方法。

Taking the problem of vertical vibration of a rod as an example,the physical meaning of the second type of orthogonality of eigenfunctions of the Sturm-Liouville...

以杆的纵振动问题为例，阐明了斯图姆—刘维尔问题特征函数第二类正交关系的物理意义。

There is another type of orthogonality of eigenfunctions of the Sturm-Liouville problem as follows:∫badx+hymyn+Hymyn=0.

斯图姆—刘维尔型特征值问题中特征函数存在另外一类正交关系，就是：ba∫dx+hymyn+Hymyn=0，称此正交关系为第二类正交关系。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。