信号

TLR4 participate in the signal transduction of inflammatory cell of SAP. Sandostation can down regulate the expression of TLR4 level, which may influence on the signal transduction of inflammatory cell of the SAP rats.

TLR4影响SAP大鼠肝脏细胞炎症信号转导过程，善宁可能通过影响TLR4的表达，干预SAP大鼠肝脏细胞炎症信号转导过程。

Firstly, oscilloscope control system based on GPIB technique is presented with friendly operation environment to the HIFU system, and it uses multithreading technique in programming to realize real-time recording and display of the signal; Secondly, temperature collection and data recording system is designed, which also could get real-time recording and display of the 16 channel temperature signal, and it's believed to be of great use for further experiments of the HIFU system; Thirdly, multiple ultrasonic phased array's phase shifter is designed,which could provide 8-bit phase control in a range of frequency where the centrical frequency is 1MHZ. Fourthly, the module of serial communication is realized to insure the communication between devices and computer, including both synchronous and asynchronous communication, which enables the system to transfer data reliably and stably; Finally, the module of digital quantity control is accomplished, which provide for upper application the consistent solution to the control of exterior devices via digital interface. It can get or set the devices state using interrupt mode to receive input signal or send output signal.

主要有以下几个方面：设计了基于GPIB的示波器控制系统，给课题的研究工作提供了一个良好的环境，它采用了多线程编程的方法，能够较好的实时显示当前波形并记录数据；设计了温度采集和数据记录系统，能够对16路温度信号进行并行同步的实时采集，用于HIFU剂量学研究中温度场检测和医疗评价；设计了相控阵相位延时电路并且通过调试，满足了课题的相位控制的要求，在中心频率为1MHZ左右的频率范围内都能够达到8-bit相位控制；实现了串口通讯模块，为各项设备与计算机之间的通讯提供保证，它提供同步和异步的通讯能力，使系统能够可靠稳定的传输数据；建立了数字量控制模块，为上层应用程序提供一致的方法使用数字接口控制外部仪器，它使用中断的方式来接收输入或输出设定的开关量信号，从而得到或设定各种仪器的状态。

However, no significant differences in the frequency of centrum semiovale hyperintensities were found between the patients with PD and healthy controls.

结论侧脑室周围白质高信号可以影响PD的一些临床特征，有侧脑室周围白质高信号的PD患者也许具有更快的神经变性过程。

Results: Non Contrast MRI appearance of tumor-like cerebritis is of long T1 and long T2 signal but has no characteristic features.

结果：肿瘤样脑炎的非增强磁共振成像表现为长T1、长T2信号，缺乏特征性，其CEMRI表现为（1）斑片状高信号，大小不一，强弱不一，散在分布。

Be equol to mounting two buttons and one change-over switch in one axe.Can output contact sighal or inspect signal before staring and stopping.

相当于2个按钮和一个切换开关装于一轴，在起动与停止之前均可输出联络信号或监控信号。

The model can provide a reference for improving signal planing, design and channelization of intersections, and analysis of transportation benefit.

该模型可为信号交叉口的信号配时的优化、交叉口设计与渠化、运输成本分析等提供参考。

It also summarizes the same point between signal timing and lane channelization in nature and illustrates that it is optimal cycle length and signal phase that is the critical part of signal timing.

用数据说明了确定最佳周期长度和调整好信号相位是信号配时的关键所在。

The paper introduces relation between wavelet transform and Lipschitz exponent and analyzes characteristic of signal and noise under wavelet analysis. Threshold de-noising method is introduced mostly at last.

其次，在陀螺漂移信号小波基选取的基础上，系统地将bior双正交小波应用到陀螺仪信号处理中，得到了较好的去噪效果。

This course will mainly discuss on time-domain analysis and frequency-domain analysis of determined signal, description and characteristic of linear time-invariant system, as well as time-domain analysis and transformation domain analysis of signal via linear time-invariant system.

本课程主要讨论确定性信号的时域和频域分析，线性时不变系统的描述与特性，以及信号通过线性时不变系统的时域分析与变换域分析。

Characteristic vector which reflect tool wear condition is made of those characteristic parameters.

利用信号处理技术分析AE、Ac及切削力信号特征参数随刀具磨损的变化规律，并将这些特征参数组成反映刀具磨损状态的特征矢量。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。