1、

This paper describes the methods of computer aided modeling and numeral control machining to be used in design and manufacture of high precision solid casting dies, which contributes to the nationalization of the fan dynamic bladed wheel for a certain product.

论述在设计制造高精度的整体叶轮压铸模的过程中,采用的计算机辅助造型和数控加工的工艺方法,成功的实现了某产品叶轮制造的国产化。

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2、

Though a bipolar device has high analog precision and great drive power, it has the problem of thermal swing.

先介绍了一种双极型过温保护电路,虽然这种电路模拟精度高,驱动能力强,但电路本身存在热振荡问题。

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3、

Through analyzing the binocular parallax, the specific requirements of the CCD camera, lens, ranging platform, and other equipments' parameters are proposed for satisfying the requirement of distant range target measurement and high-precision.

通过对双目视差原理的分析,对CCD摄像机、镜头、测距平台等设备参数提出了具体要求,以满足测量远距离目标要求及高精度指标。

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4、

Precision stamping can cut the number of procedure, save materials and lower production cost.

精冲生产可达到工序少、节约材料和降低成本目的。

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5、

The article expatiates laboratorial test method of the two basic capabilities of Radar Data Correlator, interrelated validity and synthetical precision.

描述了雷达数据相关器的两大基本性能相关正确性和合成精度的实验室测试方法。

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7、

Multi function Rapid Precision Indexing Plate

多功能快速精密分度盘

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8、

The Study of High-Precision LD Pulse Ranging Theory and Implementation

高精度LD脉冲测距理论与实现方法研究

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9、

The theory of an optical passive ranging method with high precision and it's mathematic model were introduced.

介绍了一种高精度被动式光学测距方法的原理和数学模型。该测量方法采用的是一种比率探测的离焦探测方法,具有高精度、高灵敏度和抗干扰性好的特点。

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10、

Among the many ranging methods, optical fiber ranging is widely used in military and civil domains for its good precision characteristics.

在众多的测距方法中,光纤测距因其良好的精确度特性而广泛应用在军事和民用领域。

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12、

High performance parallel computation is closely related to the development of numerical oceanic prediction, and it prompts the innovation of prediction methods and the improvement of prediction resolution and precision.

海洋数值预报技术的发展与高性能计算密切相关。高性能计算技术的发展推动海洋预报方法的不断创新以及预报分辨率和预报精确度的逐步提高。

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13、

Discussion on Investment Casting of High Precision Claw Type Coupling

高精度爪形联轴节的熔模铸造工艺探讨

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14、

The application of cascade control with cross slicing, improves temperature control precision greatly.

为此,本文采用串级交叉限幅控制方案, 提高了熔化池温控系统的控制精度.

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15、

By precise and automatic measurement, fewer cost and higher efficiency may be brought to the production of engine crankshaft, a key part in engine that holds complex structure and requires high precision in dimension.

发动机曲轴结构复杂,尺寸精度要求高,检测难度大。对其进行自动精确的检测可以提高效率,能显著降低生产成本。

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16、

It's a physically demanding sport that combines cross-country skiing with precision shooting.

这是一项结合了越野滑雪和精度射击对体力要求很高的运动。

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17、

The interpolation precision of pulse multiplier-based fine interpolator is related with the max feed rate, pulse equivalent of CNC, interpolation cycle, and output pulse frequency of pulse generator and the main reason of its error production comes from the rounding processing of crossover frequency number.

基于脉冲乘法器原理的精插补器的插补精度与最大进给速度、机床系统的脉冲当量、插补周期以及脉冲发生器的输出脉冲频率有关,其误差产生的主要原因是由分频数圆整造成的。

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18、

Research on data processing and precision analysis of GPS crustal deformation monitoring network of a city

GPS城市地壳变形监测网的数据处理及精度分析

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19、

This paper presents a new method of measuring the graduation angle of the equally divided circle by using 4 high precision inductive gauge heads to form a single constant angle.

本文提出一种用4个高精度电感测头构成单常角,实现对等分圆周分度角度测量的新方法。

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20、

The effects to height evaluation of the main noises, i.e. ocean surface backscatter speckle noise and receiver thermal noise, are analyzed. By analyzing the returned signals of several typical sea states, the results have shown that the system height measurement precision can be ± 2cm.

分析了主要噪声,即海面斑点噪声和接收机热噪声对高度估值的影响,通过对几种典型海况海面回波的模拟分析表明,系统则高精度可达±2cm。

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