查询词典 computer based

Techniques included in the system are PC based open architecture CNC system, real time simulation of machining process, parametric CNC programming, computer vision based cams automatic positioning and in line inspecting, and grinding force adapt control.

该系统的研发过程中涉及的主要单元技术是：基于PC的开放式数控系统，加工过程的实时仿真，参数化数控编程，基于计算机视觉的凸轮自动定位和在线检测，磨削力适应控制等。

The instrument simultaneously sample for three phase voltage and current. Rotary photoelectric coding switch and LCD are used for human-computer interaction. it makes the interface compact and efficient. Utilizing the function of positive and negative edge trigger of the programmable counter array unit in MPU, signal zero-cross is captured for the phase detected based on double way. The software synchronism sampling method based on real-time parameter self-optimizing minishes period truncation error, and the measurement accuracy is improved. The digitization power measure imports traditional two-unit and three-unit methods and expands application range of the instrument. The capacity is discriminated by soft ware table-look-up on the load loss. The value of a quantity is converted to the value when reference temperature (75 ℃) from test temperature.

该仪器具有以下特点：仪器对三相电压电流同时采样；基于旋转式光电编码器和液晶显示屏的人机交互界面简洁而高效；可编程计数器阵列PCA"捕获"信号的过零点用于双向过零平均鉴相，得到准确的相位差和周期；基于实时参数自寻优的软件同步采样，有效地减小了周期截断误差，提高了测量准确度；数字化功率测量引入了传统的二表法和三表法，扩展了仪器的使用范围；实际容量根据负载损耗用软件查表的方法来判别；测量值已从试验温度折算到了参考温度(75℃)时的值。

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。

Computer aid cotton field nutrients regionalize management based on nutrients spatial interpolating and fertilizer recommendation system based on GIS were studied.

以新疆生产建设兵团芳草湖农场、新湖农场和81、89团为基地，通过多点分散肥料试验建立了综合施肥模型并对几种施肥模型和模型参数进行了研究；应用反射仪测定棉株硝酸盐含量，建立了棉花快速营养诊断追肥指标；应用农田养分分析数据和相关农业技术资料，建立了芳草湖农场GIS数据库；建立了基于GIS、以综合施肥模型为核心的棉田养分分区管理和推荐施肥系统。

The lightning locator is a real time computer based system that records all lightning strikes in Eastern North America and it is a vital component of the sophisticated fire prediction system based in Sault Ste.

闪电定位是一个真正的时间，基于计算机的系统记录所有的雷击在东区北美和这是一个重要组成部分，先进的消防预报系统的总部设在sault专题访问。

P300-based speller paradigm is an common communication between Brain and computer . The paper introduces a feature extraction method based on P300 visual evoked potential.

它介绍了一种基于P300视觉诱发电位的脑电信号特征提取方法，选取三名实验者的数据用于实验分析。

"ERP Integrated Training Enterprise Information sand table" based on "ERP sandbox simulation" course simulation business, to simulate a company's business activities, the experimental data, accounting and business management in accordance with the basic requirements of design information-based solutions, in line with "ERP sand table simulation" course in contrast to the manual mode of operation, so that students deal with personal feelings manual and computer processing set up between the posts, business processes, work efficiency differences, a deep understanding of the necessity and advantages of information technology.

ERP沙盘企业信息化综合实训》基于《ERP沙盘模拟》课程中的模拟企业，以模拟企业的业务活动为实验资料，按照会计核算与企业管理的基本要求，设计信息化解决方案，以与《ERP沙盘模拟》课程的手工操作方式形成对比，使学生切身感受手工处理和计算机处理之间在岗位设置、业务流程、工作效率等方面的差异，深刻理解信息化的必要性及优越性。

In this paper, according to the data format of surface in mechanics analysis software and based on computer aided geometric modeling, we present a novel intersection and trimming algorithm based on triangular discrete surface to realize the complex modeling of pneumatic membrane structure.

本文按照力学分析软件中曲面表示的数据格式，辅以计算机辅助几何造型的基础，提出了一种基于三角离散的曲面求交和裁减算法，实现了充气膜结构复杂外形的造型工作。

Establishment of man-hour quota for mould design based on analogism;2. A universal system of computer-aided man-hour quota ,based on primitives theory,is proposed,in which man-hour quota is constituted according to the data obtained by work study method in workshop and the rule of man-hour variety is studied by neural network.

提出了一种基于基元理论，以工作研究法现场测定数据作为制定定额的依据，运用神经网络研究工时变化规律的通用化计算机辅助工时定额系统，在此基础上探讨了工时的分类划分，阐明了系统的体系结构和功能模块，最后介绍了系统的应用流程。

Secondly, 4 methods of azimuth estimation based on vector hydrophone according to forms of nosie and signal are brought forward. The principles of these 4methods are set forth, simulating them by computer. Acoustic intensity averager can effectively suppress isotropic non-coherent interference; DOA based on line-spectra can effectively detect the target radiating line-spectra and estimate its azimuth angle; Bar graph approach can suppress line-spectra coherent interference and distinguish different targets radiating line-spectrum. Weighted bargraph approach can detect target in broadband coherent interference and estimate its azimuth angle.

其次，根据背景干扰和信号样式的不同，提出了单矢量水听器方位估计的4种方法；阐述了这4种方法的原理，并进行了计算机仿真，指出平均声强器方位估计适用于各向同性噪声场背景干扰，讨论了平均声强器的处理增益；目标辐射噪声中有线谱时，线谱方位估计有很好的性能，其中的LOFAR线谱和高频解调得到的DEMON线谱都是目标的特征谱线，可以利用它们进行方位估计，详细讨论了利用特征线谱单个矢量水听器分辨多目标的性能；直方图方位估计能抗强线谱相干干扰；加权直方图方位估计可以抗宽带相干干扰。

Many will continue to choose to live in duality and in conflict.

许多人将继续选择活在二元对立性和冲突中。

I find that students of the University of Physical Education all wear sportswear at first sight.

我发现：体育大学的学生乍一看，都是穿运动衣，大家都一样