模数

According to the feature of involute micron gear , a measuring system of involute straight spur gear is designed .

小模数齿轮广泛地应用在精密光学仪器、航空及无线电仪表中，其精度直接影响到仪器仪表的工作性能和使用寿命。

This invention relates to a window A/D converter used in digital supply controllers composed of a PMOS difference input pair, a CTAT offset current generation circuit, two loop oscillators and a digital part including two n-bit counters, one n-bit comparator, one n-bit subtracter and an n-bit D trigger, in which.

本发明属集成电路技术领域，具体为一种适用于数字电源控制器的窗口式模数转换器。它由一个PMOS差分输入对、一个CTAT偏置电流产生电路、两个环路振荡器和数字部分组成。数字部分由两个n位计数器、一个n位比较器、一个n位减法器、一个n位D触发器组成。

It explains abstraitively the working principle of A/D converter of full-parallel, seriesparallel and successive approximation type.

本文简介了瞬态记录仪的产生及发展，并介绍了它的核心部件模数转换器在瞬态记录仪中的应用。

The data traffic is accomplished through the SCM and RS232 serial communication interface;the LCD1602 screen is used to display the pH value in real time. The C language is adopted to prepare control procedure in the software design,and the Visual C++ software is used to prepare the computer monitoring interface,so that the teledata monitoring can be finished easily.

硬件设计以AT89S52单片机为控制核心；传感器采用pH复合电极；为了与传感器的高内阻匹配，信号调理采用CA3140、UA741等运放构成三级放大电路；利用ADC0809模数转换器实现A/D转换；通过单片机与RS232串行通信口完成数据通信；使用1602液晶器实时显示pH值。

The finger milling-cutter templet of involute gear is the assistant tool mostly to machining big module gear.

齿轮指形铣刀样板是加工大模数齿轮的主要辅助工具。

Nonuniform sampling can acquire signal of which the frequency exceeds the threshold in Nyquist theorem when the sample rate of analogue-to-digital device is lower than usual.

非均匀采样可以在对模数转化器件的采样频率要求较低的情况下，提取超出Nyquist采样定理限制的频率。

Number 139 is again modular as a combination of transportable and mobile units.

139号作品同样采用了模数制的方法设计了一个可移动的单元体。

Modularization, as more standardized one, is a comprehensive unit in the typification of product construction, the generalization of components, the sequence of parameter, modulization of feature value dimension and combination of assembly.

模块化作为标准化的更高层次，是产品结构典型化、部件通用化、参数系列化、特征尺寸模数化和组装组合化的综合体。

The resulting epoxy resin cured with phosphorus-containing aralkyl cyanate ester exhibited better the glass transition temperature and modulus of elasticity than epoxy resin cured with phosphorus-containing aralkyl novolac resin.

实验结果显示，含磷芳烷基氰酸酯之环氧树脂硬化物，由於形成坚硬的Oxazolidone结构，使得其玻璃转移温度与弹性储存模数较含磷芳烷基酚醛树脂之环氧树脂硬化物为高。

This paper in vestigates the history of China's machine design methods 'it discussed machine design ideas in ancient China.① The system idea in machine design.②The idea of machine design.③The idea of standardization in machine design.④The idea of automa...

以此为题，探讨了中国古代机械设计思想的科学成就：其一，机械设计中的系统思想；其二，模数设计思想；其三，机械设计中的自动思想；其四，机械设计中标准思想。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。