查询词典 fog

Simulation result proved that the wavelet method has better performance in removing the noise of FOG's output signal, and the accuracy of alignment and navigation can be improved.

研究表明，基于小波的去噪方法能够更好地估计光纤陀螺的输出信号，具有更为理想的去噪效果，有效地解决了对准与导航过程中光纤陀螺噪声的影响，提高了对准与导航的精度。

With consideration on application,it is presented typical closed loop and open loop FOG signal processing scheme used for different application and fulfilled different requirements.

介绍了国外应用于不同场合、满足不同性能要求的光纤陀螺的闭环和开环信号处理方案，比较了它们的优缺点。

On the basies of the above all, several important problems in the designing the FOG signal processing systems which are linked and conflicted with each other have been researched.

本文在上述理论基础之上，对光纤陀螺数字处理系统设计中几个相互联系，相互矛盾的问题进行了分析，这些问题是在系统设计工作中需要着重研究的。

The characters of FOG's output signal which are with large noise, nonlinear, periodic and their consequences to the detection of the effective signal are analyzed briefly.

简要分析了陀螺输出信号的特点：噪声大、非线性、周期性，以及这些特点对检测有效信号的影响。

Adaptive filter theory, method and advantages are expatiated based on the analysis of FOG principle, random signal process and statistical mathematics. Then the main algorithms of adaptive filter – LMS and RLS are analyzed in detail.

在分析了光纤陀螺的基本原理、随机信号与统计分析等数学理论的基础上，阐述了自适应滤波的原理、方法和意义，接着对自适应滤波中的LMS和RLS算法在理论上进行了详细的分析，针对VG941的数据特点进行软、硬件设计。

This sensor is highly versalite, able to measure distances both indoors and outdoors, but may have limitations to extremely dark targets or measuring through steam, fog and smoke where the signal is obstructed.

这种传感器是高度通用的，能够穿过室内和室外进行测量，但在极其黑暗的目标或蒸汽环境下测量会受到限制，雾和烟雾中信号也会受阻。

Obtained satisfactory alignment result through noise reduction of FOG signal using the advantage of time-domain and frequency-domain localization of wavelet transform and provided a effective method for practical measurement.

利用小波变换所具有的时频局部化优点对光纤陀螺信号进行消噪处理，得到了满意的对准结果，为实际的测量提供

First, mathematic description of FOG's modulation signal was analyzed, and then three methods for producing modulation signal with adjustable amplitude were discussed, which are direct wave table method, multiplicative amplitude adjusting method and two-level wave table method. Their advantage and disadvantage were analyzed.

首先对光纤陀螺调制信号的数学描述进行了分析，在此基础上提出了三种幅度可调调制信号的产生方法，即直接波表法、乘法调幅法、两级波表法，并分析了三种方法各自的优缺点。

Here a tracing of differential optic phase is presented and sin modulation is adopted in the method, triangular operator is applied and finally the rotation signal is gotten after multipling on FOG output and the tracing signal, and adding filters to where they are needed.

提出了一种单通道光相位差跟踪的方法。这种方法采用正弦调制，通过对信号(包括输出信号和跟踪信号)的三角和乘法运算，并在必要的环节进行滤波得到光相位差。

Sound fog signal for two Number 2s eVery abundance tgoy Number 2s.

发大雾信号，每20秒钟响两秒

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。