查询词典 NC

As a result, the input symbols are no longer identically and independently distributed by definition and the distribution of PAPR derived for contiguous OFDM signal under these assumptions is not valid for the PAPR of NC-OFDM signal under these assumptions is not valid for the PAPR of NC-OFDM signals.

结果，输入符号不再是相同的，独立分布的定义和分配PAPR的推导毗连OFDM信号根据这些假设是无效的PAPR的数控OFDM信号根据这些假设是无效的PAPR的数控- OFDM信号。

From the view of supporting the project of Jiangsu scientific technology, the key algorithms and technologies are deeply investigated during developing a NC machining Auto programming system for NC lathing, which is introduced in this paper.

本文以江苏省2001年重大科技攻关计划科技计划项目中提出研究高精度高速机床及其配套软件的课题为背景，研究了在开发一个数控加工车削自动编程系统过程中所涉及的关键算法和技术。

This article introduced the antijamming in the NC system design,from the shield (including electric field shield ,magnetic screen and electromagnetic field shield ) designs mentions,added the absorbing circuit to the perceptual load to suppress the transient state noise to give the specify,might avoid the NC system which disturbed creates softly breakdown.

本文介绍了抗干扰在数控系统中的设计，从屏蔽(包括电场屏蔽、磁场屏蔽和电磁场屏蔽)设计谈起，对感性负载加吸收电路来抑制瞬态噪声做了详细说明，可避免干扰造成的数控系统的"软"故障。

These problems are solved in Open NC System, which is the development trend of current NC system.

开放式数控系统解决了这一问题，已经成为当前数控系统发展的必然趋势。

In the main-process, the coordinates of nodal points on part outline curve can be calculated by replacing this curve with a linear approximation. The codes expressed in NC program form which can be recognized by NC machine tool are got according to the coordinates of these nodal points in the post-process.

在前置处理中，用直线逼近零件轮廓，得到轮廓曲线的节点坐标：在后置处理中，根据这些节点坐标按照数控程序的格式得到数控机床可以辨认的程序代码。

In chapter one the evolution and the present situation of NC system are introduced, the open architecture of NC system is analyzed in detail.

第一章绪论，对数控系统的发展、现状及开放式数控系统体系结构进行分析，并讨论运动控制器在数控系统中的地位及运动控制器的研究现状。

As an application of the above research, a NC oriented freeform surface modeling software has been accomplished. A surface modeling module, a mesh points selection module, an NC programming module and a graph display module is provided, including a friendly interface.

在以上工作的基础上，开发了面向数控加工的自组织曲面数字化建模软件系统，提供了曲面建模、型值点筛选、数控编程、图形显示等模块和友好的用户界面。

On the basis of practical exploration and design of NC plasma arc cutter, this paper studies into the technology of NC plasma arc cutting at high speed and accuracy.

论文是在数控等离子弧切割机开发设计的实践基础上，对高速、高精度数控等离子弧切割技术进行了研究。

Based on the project funded by Zhejiang Province Technology Foundation—"Development of Shoe Last CAD/CAM System and Shoe-last Carving Machine", the application design of shoe last NC system was carried on. Based on idea of modern design of open NC system, used general industry control person computer as hardware , domestic GT-400-SV multi-axis movement control card as control kernel, digital AC servo motor as driving components, the hardware platform of shoe last manufacturing were composed.

本论文以浙江省重大科技攻关项目"鞋楦CAD/CAM系统及数控刻楦机研制"为背景，针对鞋楦加工控制的特殊性，结合现代开放式的数控系统的设计理念，构建了以工业PC机为支撑平台、以国产GT-400-SV多轴运动控制卡为核心、以交流伺服电机作为驱动原件的数控系统。

Adopt UG software to create the entity about the geometric modeling, through seting the NC parameter. After postposition dispose, gain the NC program and entity model.

利用UG NX软件进行实体生成，经过数控加工编程和刀具文件的后处理最终形成可以加工的实体模型。

The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.

此刻阴唇已经几乎完全的缝在一起了，排除多余淤血体液的管子和Foley导管从顶端冒出来。

To get the business done, I suggest we split the difference in price.

为了做成这笔生意，我建议我们在价格上大家各让一半。