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MATLAB and the signal processing toolkit also with the signal processing theory and method of development and development.

而MATLAB的信号处理工具箱也随着信号处理理论与方法的发展而发展。

The design of image fountain signal, imaging technique and data processing are three key technologies to carry out CCD torsional oscillation measurement method. By analyzing the design principle, the paper devised an image source signal alternated with black and white strip and it has a good effect. Meanwhile, the system demand of imaging link was analyzed, such as light source, lens and camera etc. In addition, the principles of both the correlation algorithm and generalized correlation time delay estimation based on adaptive technology were studied, and a comparison between them was made as well.

本文中分析了图像源信号的设计原则，并设计了一种黑白相间的倾斜条纹图案作为图像源信号，获得了良好的测量效果；分析了测量系统对光源、镜头、相机等成像环节的要求；研究了相关算法和基于自适应技术的广义相关时延估计法两种数据处理算法的原理，并对两种方法的性能进行了比较。

After doing that, the paper points out the universal architectures of the high-speed real-time signal processing system and describes how to implement them.. Since FFT plays an important role in digital signal processing, implementing FFT with FPGA is presented and the total realization graph is designed. For improving speed and decreasing computing complexity, high efficiency multiplier algorithm is used to realizing twiddle factor multiplier of butterfly processing unit.

最后本文描述了数字信号处理系统结构的实现方法，指出常见的高速、实时信号处理系统的四种结构；由于FFT算法在数字信号处理中占有重要的地位，所以本文提出了用FPGA实现FFT的一种设计思想，给出了总体实现框图：重点设计实现了FFT算法中的蝶形处理单元，采用了一种高效乘法器算法设计实现了蝶形处理单元中的旋转因子乘法器，从而提高了蝶形处理器的运算速度，降低了运算复杂度。

Smo protein is a transcriber in the Sonic hedgehog signaling pathway. Its anactivator that change extracellular Shh signal into intracellular Gli1 signal, thusinitiate the gene transcription in the cell nucleus.

Smo蛋白是Sonic hedgehog信号通路中的信息转换器，它能够把细胞外的Shh信号转换成细胞内的Gli1信号，从而启动细胞核内基因的转录，对Sonic hedgehog信号通路具有激活作用。

Orthogonal wavelet transform is not possessed with linear phase or translation invariant features, so there are still many problems in the field of signal noise reduction, such as signal oscillation phenomenon.

其中正交小波变换不具备线性相位、不具有平移不变性等特性，导致其在信号降噪领域仍存在很多问题，会使信号产生振荡现象。

The ratio of the transmission signal and second - harmonic signal can be used for eliminating optical interference.

利用二次谐波与光纤光栅透射光强的比值来消除光路干扰。

The signal channel description is decided based on signal transportation route.

信号通道描述通过信号传输路径决定。

A vision sensing system consisting of an external illumination source, a CCD camera, a trigger circuit with the input of MIG current signal and video grabber is established to study the relation between vision signal and root weld formation.

为研究视觉信号和焊缝根部成形的关系，建立了由辅助照明光源、可触发拍摄的CCD摄像机、以电弧焊接电流为信号源的触发电路以及图像采集卡组成的视觉传感系统。

The digital storage oscilloscopes to the sampling of a form and saving with the manifestation of a form is to separate of, and can keep the signal with long hours, having the forerunner of trigger and the input/output function of the numerical signal.

数字存储示波器的出现使得传统示波器的功能发生了重大变革。

A new model for the received signal is established, and the received signal is the sum of two trilinear models.

文中建立了大时延扩展CD—MA信道下接收信号新模型，它将接收信号看成是2个三线性模型之和，并提出了广义三线性交替最小二乘的算法进行空时多用户检测。

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。