A boundary scan controller with the USB interface is designed. DSP and 74lvt8980 are adopted to control the boundary scan bus.
采用DSP和边界扫描总线控制芯片74lvt8980设计边界扫描测试控制器。
The testing data from simulated aerospace environment show that the adaptive controller has a characteristic of high accuracy of frequency-tracking as well as high accuracy of swing scan control.
实验测试结果表明,所设计的数字式自适应控制器具有频率跟踪和摆幅控制精度高的特点。
Replacing Spaces with commas and vice versa can be done in a single scan over the string, and the control characters are injected at the same time.
只需对字符串扫描一次,就可以用逗号替换空格,反之亦然,同时还可以加入控制字符。
Users have full control of scanning depth, maximum file size, and scan timeout.
用户对扫描深度,最大文件大小完全控制,扫描超时。
The mask can also be adjusted during the scan mode of operation using the same control keys.
面具还可以调整扫描期间的运作模式使用相同的控制键。
The steady rotating speed control is achieved by phase-compensation in sector scan.
在扇形扫描中,马达稳速的控制是通过相位补偿实现的。
Objective:To investigate CT simulation scan in recurrent nasopharyngeal carcinoma to control x-ray dose in visual nervous.
目的:探讨CT模拟在鼻咽癌局部复发适形放疗中控制视神经剂量中的应用价值。
These include the choice of scan mode, the scanning system and software design and control structures.
其中包括扫描方式的选择、扫描系统的设计和原理系统的搭建以及软件控制。
The scan output only shows the active Transmission Control Protocol (TCP) and IP ports.
该扫描的输出仅显示了活动的传输控制协议(TCP)和IP 端口。
The principles and features of raster scan, the function of the pattern generator and the process of the electron beam writing on the substrate under the control system are also introduced.
介绍了图形发生器的作用及电子束在控制系统作用下在基片上描绘图形的过程。
It aims at reducing the cost of control speeds of motors and producing more scan patterns.
本发明的目的是减少控制马达速度的成本,并能产生多种扫描图形。
A practical scan conversion system based on CPLD is proposed, in which CPLD is used to control SRC system flexibly and it realizes stroke to taster scan display system conversion.
利用复杂可编程逻辑器件对整个系统进行灵活控制,实现了从随机扫描显示系统到光栅扫描显示系统的转换。
Based on quick-scan of the real-time DSR, a mathematics model for optimal emergency control of transient stability is given with the probability insecurity index.
该文在实时DSR快速计算的基础上,结合概率不安全指标建立了一种实时紧急控制模型。
A new adaptive frequency-tracking control algorithm for the swing scan mechanism has been presented in the aerospace environment.
本文针对空间环境下摆幅扫描机构的频率跟踪和摆幅控制问题,提出了一种具有频率跟踪的自适应控制算法。
This paper mainly analyzes the pneumatic structure and the principle of the step&scan stage, pointing out some concerned issues in pneumatic design&control.
着重分析了步进扫描工作台的气浮结构及原理,指出了气浮设计及控制中需要注意的一些问题。
Methods Liver dynamic ct scan was consecutively performed in 53 individual including 20 control subjects, 33 patients with cirrhosis.
方法连续选取临床拟行增强扫描的53名患者行肝脏CT动态扫描,正常对照组20例,肝硬化组33例。
Methods and computer readable media for performing scan-based testing of circuits using one or more test clock control structures are disclosed.
公开了使用一个或多个测试时钟控制结构的来执行基于扫描测试的方法和计算机可读介质。
Meanwhile, the CT scan demonstrated higher density of lung in BLM group than control group, while the density of MPD group better than BLM group with small area around hilum of lung.
MPD组水肿和实变较BL M组轻;ct扫描显示BLM组大鼠肺门周围阴影密度增高,MPD组阴影的范围较小、密度减低。
Research on and development of voice control system used in laser-scan have created a new field for the application of Speech Recognition.
用于激光扫描语音控制系统的研究与开发,为语音识别的应用又开辟了新的领域。
In order to realize the multi control function for the system, the scan row conversion method is adapted. Moreover, the concerned key techniques of the system are also analyzed in the paper.
为了实现多制式功能,提出了扫描行变换的方法,并对其关键性的技术进行了研究。
Results:The modified coronal CT scan showed more(35pairs)than axial scan(20pairs)in the control study.
结果对照组CT改良冠状位显示鼻骨孔35对,优于横断面扫描(显示20对);
Board control system of photogrammetric scanner fulfills the job of rolling, planishing and orientating of the photogrammetric waiting to be scanned, which provide for precise scan of photogrammetric.
航片扫描仪的台面系统完成待扫描航片的卷片、定位、压平等操作,为航片的精确扫描提供支撑。
This Paper introduces the theory, architecture and implementation of the microfocus X-ray radioscopy scan-ning control and image acquisition system.
文章介绍了微焦点X射线成像扫描控制与数据获取系统的原理、软硬件结构以及实现技术。
Through Super ScanEYE's powerful recognition features, it is able to scan and save contacts from name cards, pick up web URLs or even form filling information. Now things are even more in control!
透过超级扫译笔的特别功能,扫描名片、通讯资料、表格、网址等繁琐资料后,程式会自动为您归档。
The latter USES the last line height signal as the reference input of Z-control in the current line scan.
后者利用前一行扫描高度数据作为当前行z向扫描器驱动的参考输入。
The MSP430FW427 is used as control MCU. The function is realized by the SCAN IF module without IC circuit external, which improves the precision and sensitivity of flow measurement.
主控器采用目前国际上功耗最低的MSP430FW 427单片机,该单片机能够利用内部流量扫描模块(SCANIF)有效地转换振荡波形,不需要外部流量检测IC,提高测量的精度和灵敏度。
Meanwhile, how to control the boundary scan bus is mentioned in this paper. As in usual, most devices have no JTAG test access ports, the techniques discussed in this paper are valu…
实际应用中,大多数器件没有边界扫描接口,因此本文所介绍的边界扫描技术实现方法对进行数字系统的可测性设计具有一定的参考价值。
Meanwhile, how to control the boundary scan bus is mentioned in this paper. As in usual, most devices have no JTAG test access ports, the techniques discussed in this paper are valu…
实际应用中,大多数器件没有边界扫描接口,因此本文所介绍的边界扫描技术实现方法对进行数字系统的可测性设计具有一定的参考价值。
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