1、

Using the FRF ( Frequency Response Function) fitting technique, this paper introduces the control system and the method of operation for the testing of "On Car" Automotive Shock Absorber damping ratio.

介绍一种采用频响函数拟合技术,实现对在用汽车减振器进行阻尼测试的控制系统和操作过程。

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2、

In the respect of the request of ownership ratio, we should learn western advanced legislation to discern between member share and non-member share and broaden the financing channels of cooperatives, and restrict non-member share control cooperatives.

股权比例要求方面,应学习西方先进的立法内容,将成员股和非成员股区分开来,为合作社拓宽融资渠道,同时限制非成员股控制合作社。

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3、

Analysis on Heat Balance Characteristics under Lower Molecular Ratio and Control for 180 kA Heavy Pre-baking Aluminum Smelting Pot

浅析180kA大型预焙铝电解槽低分子比下的热平衡特性与控制

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4、

A Fuzzy-Expert Control of the Aluminum Electrolysis Bath Temperature and Ratio

铝电解质温度和分子比的模糊专家控制

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5、

The survival ratio of the prawn larva in temporary culture reached 82%, increased by 30% more than that of the control group.

试验组虾苗的暂养成活率达82%,比对照组增加了30%。

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6、

Application and Study on Optimal Control of Air-fuel Ratio Based on Furnace Thermal Balance

基于加热炉热平衡的空燃比优化控制研究与应用

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7、

The Test of Gas Combustion and the Optimal Control System for Fuel-air Ratio

煤气燃烧的检测及最佳混合比的控制系统

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8、

The Control for Transmission Thickness Ratio and Density with Off-centre Circumferential Exposure Method

偏心周向曝光法透照厚度比和黑度的控制

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9、

The Study of Spinning Precision Control for Thin Wall Cylinder with Large Length-diameter Ratio

大长径比薄壁圆筒旋压精度控制工艺研究

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10、

From simulation results, the third-order inter-modulation distortion ratio ( IMD3) can be reduced by-10 dB on average when a two-tone signal is input. Finally, the bias-controlled predistorter has been used in OFDM system.

从仿真结果可以总结出,当系统采用双音信号作为输入时,功率放大器输出的三阶互调失真可以平均减少10dB。最后,将二极管偏压控制预失真器应用于OFDM系统中。

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11、

Most of the control methods in the application of ABS including logic threshold control and control method based on wheel slip ratio are introduced, and their advantages and disadvantages are analyzed respectively.

文章首先介绍了目前常用的ABS控制方法,包括逻辑门限值控制方法和基于滑移率的控制方法,并分析了各自的优缺点。

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12、

The adjustments of exhaust gas oxygen sensor voltage threshold value and fuel-air ratio during the X close-loop control process are introduced as well.

对λ闭环控制控制过程中氧传感器电压阈值调节和λ调节进行了初步分析。

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13、

Firstly, the CNG engine torque control theory is introduced, and the relationship between the engine output torque and the three control parameters: the spark advance angle, the air-fuel ratio and the throttle opening, is derivated.

首先,研究天然气发动机转矩控制理论,推导点火提前角、空燃比和节气门开度三个控制参数与转矩之间的关系。

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14、

The former takes the minimum fuel consumption rate point in the whole engine operating range as the target, the throttle opening keeps constant, the gear ratio of CVT is adjusted by the controller which is a single parameter control system.

单纯经济型作业模式以发动机在整个工作范围内的最低燃油消耗率点为目标工作点,油门开度不变,仅控制变速器传动比,为单变量控制系统;

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15、

In hover, and rotor control angles and power required versus advance ratio in forward flight with constant thrust coefficient at trim condition.

等拉力系数配平前飞时,旋翼各操纵角~前进比曲线和前飞需用功率~前进比曲线与德国宇航院(DLR)的试验结果比较一致。

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16、

This method increase the damping ratio of the thrust vector control system and improve the system performance.

该方法提高了推力矢量电液位置伺服系统阻尼比,改善了系统的动态性能。

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17、

On the other hand, close loop model fuzzy control is studied for a classical thrust vector electrohydraulic servo control system with low damping ratio and improves dynamic performance of the system.

此外,本文根据电液位置伺服系统阻尼比低的特点,采用闭环模型模糊控制,改善了系统的动态性能。

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18、

According to the statistics home and abroad, acidizing is the process with highest usage and success ratio among the stimulations of water shot off, water injection profile adjusting, paraffin clear and control and sand protection.

据国内外统计,在堵水、调剖、清防蜡、防砂等诸多油水井增产增注措施中,使用率和成功率最高的是酸化工艺和压裂工艺。

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19、

Arranged signal activating lock circuit and time-base control circuit in the sound wave receiving circuit to take the initial signal of back wave as the valid one in the cycle, thus to improve the ratio of signal vs. noise and detective precision.

在超声波接收电路中设有信号触发锁定电路和时基控制电路。实现以各探头中最早收到的回波信号为本检测单元的有效信号,有效提高信噪比和检测精度;

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20、

The fuzzy control algorithm was employed to control on-off time ratio for heating and cooling to realize an optimized effect on the basis of the features of often replacement.

针对生产中压铸模具经常更换的特点,温控算法采用了模糊控制的方法,控制加热和冷却的通断时间比,从而达到最佳的控温效果。

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