查询词典 circular

In the acquisition module,the acquisition algorithm based on circular correlation is utilized.

捕获模块采用基于圆周相关的捕获算法，通过FFT分别作用于输入信号和本地码信号将运算变换到频域内处理。

Therefore, the time delay estimation of a signal can be obtained based on the correlative principle of periodic series -- circular correlation.

在时延估计的广义相关法中[1 10]，滤波后的传感器输出是互相关的，并将互相关估计取峰值时的滞后取作时延的估计。

Compared with linear teaching, nonlinear teaching is characterized by perception of life, construction of sense, circular regress, correlation and individualized response.

依据教学理论和教学实践的认知特性，人们常把教学划分为线性教学和非线性教学。

It is well known that the multi-value CDMA spreading codes can be designed by means of a pair of mirror multi-rate filter-banks based on some optimizing criteria. The dissertation indicates that there exists a theoretical bound in the performance of its circular correlation property, which can be described by an explicit expression.

研究了基于两带镜像多速率滤波器组来设计的多值CDMA扩展码的方法，并推导出了基于这种方法设计的码序列在循环相关特性方面所能达到的极限，以及达到此理论极限时应满足的条件；在此基础上，提出了一种基于熵最大化准则来产生CDMA扩展码的设计方法。

Based on the comparison with the acquisition algorithm in time domain,the circular correlation algorithm in frequency domain was used for fast acquiring C/A code initial phase and Dopller frequency shift of GPS signal.

在与传统的时域串行搜索捕获算法比较的基础之上，分析了利用FFT实现C/A码初始相位和载波多普勒频移快速捕获的频域圆周相关算法模型。

This method estimates Doppler frequency by eliminating PN code two-phase modulation effect, then gains code phase estimation by circular correlation.

该方法利用伪码二相调制特性，通过乘法消除伪码影响，得到多普勒估计值，在此基础上运用圆周相关法得到的伪码相位估计值。

Based on the conception of hologram simulation, multi-field coupling comprises turbulent fluctuating correlation, time-averaged correlation, circular correlation, bilateral and multi-phase correlation. The coupling mechanism has been discussed in detail.

基于铝电解槽全息仿真的概念，将铝电解槽内的多场耦合问题分为时均耦合、脉动耦合、循环耦合与双向耦合以及多相耦合，对耦合机理进行了详细的分析。

C/A codeˉacquisition ; FFT ; circular correlation ; realˉtime sof tware receiver

伪码捕获； FFT ；循环相关；实时软件接收机

A new image registration algorithm is presented based on contour-feature, which involves extracting the contour of the image, calculating the normal angle of each contour point and proceeding normal angle histogram statistics, then estimating quickly the rotation angle between two images by circular correlation of normal angle histograms.

提出了一种新的基于轮廓特征的图像配准算法，首先提取图像轮廓并计算每个轮廓点的法向角，然后对轮廓点法向角进行直方图统计，通过对两幅图像的轮廓点法向角直方图进行圆周相关计算便可快速估计出两幅图像所存在的旋转角度。

Concerning deinked pulp, the model between pulp reflect ratio at 840nm or 940nm and the ERIC value are presented basing on the normal method ERIC950. After the model is calibrated by the OMG and ONP reflect experiments and by simulationg lacal deinked pulp circular system, the correlation coefficient is 94.6%. The function between pulp factual brightness and 460nm reflective ratio is also developed and the correlation coefficient is 94.5%.

内的概率达92.8%；对于脱墨浆，以ERIC950为基准，建立了纸浆840nm或940nm反射因数与ERIC值之间的函数关系，分别用OMG和ONP浆片的反射因数对模型的参数进行了整定，模型与残余油墨含量真实值线性相关性达94.6%；建立了纸浆真实亮度值与纸浆460nm反射因数之间的函数关系，纸浆亮度测量模型与真实值线性相关系数达94.5%。

Diabetes is a social disease that affects several million people worldwide.

糖尿病是一个社会性疾病，全世界有数百万人罹患此病。

I'll call you on Friday to see if we can reschedule our luncheon meeting at your convenience.

我星期五会给您打电话在您方便的时候我们重新安排我们的午餐约会。