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高动态
相关语句
  high dynamic
    STUDY ON THE DIGITAL SPREAD SPECTRUM RECEIVER WITH HIGH DYNAMIC BASED ON DSP
    基于DSP的高动态数字解扩接收机的研究
短句来源
    To solve the problem of target acquisition,signal following and navigation precision during the period of navigation,a method of integrated guidance with INS/CNS/GPS in high dynamic circumstances are put forword; The mathematics models of searching guidance in guided phase and compound guidance in terminal phase are established.
    为解决高动态环境下的目标捕获、信号跟踪及导航精度的难题,提出了导航段采用INS/CNS/GPS组合的制导法,建立了导引段的先期导引和末制导段的复合导引数学模型。
短句来源
    This system described in the paper uses the 24 bits ? - A A/D chipset which has the high dynamic range and DSP as processor.
    本文论述的系统采用具有高动态范围的24位∑-△A/D芯片,以当前最流行的DSP为信号处理器。
短句来源
    The luminance of flame is quite high and the gradient of luminance changes rapidly, however, dynamic range of the common CCD or CMOS is limited, so we can use the dynamic range extending method to test the high dynamic range flame temperature.
    但是火焰的亮度非常高,并且亮度梯度变化也很大,而一般的CCD或者CMOS的动态范围有限,因此利用一般的数码成像设备只能测量火焰一部分区域的温度。 为此我们采用了扩展动态范围的方法,实现了高动态范围的火焰温度测量。
短句来源
    And the high dynamic resolution is achieved with the high rate of filter slope of Temperature controlled FBG.
    利用光纤Bragg光栅滤波器的大斜率特性,实现了高动态精度的动态应变传感。
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  “高动态”译为未确定词的双语例句
    Review the Methods for the Speed Sensor-less Control of Induction Motor
    交流感应电动机无速度传感器的高动态性能控制方法综述
短句来源
    Tie expression is derived for the dynamic range of MCP, Several kinds of practicable approaches for enlarging dynamic range and the main properties of a MCP with wide dynamic range are introduced.
    导出微通道板动态范围的表达式,给出提高动态范围的几种可行途径,简要介绍一种高动态范围微通道板的主要特性。
短句来源
    The experimental results show that this temperature expert fuzzy control system has good control effect.
    实验结果表明 ,该系统控制精度高 ,动态性能好 ,控制性能好。
短句来源
    In order to meet the need of digital earthquake recorder, a kind of high precision digital recorder mainly made by the Σ-ΔA/D chipset CS5321 and digital signal processor TMS320VC33 is introduced in detail.
    为了满足地震观测领域的数字地震设备的高精度要求,介绍了一种采用具有高动态范围的24位Σ-ΔA/D芯片CS5321/5322作为模数转换器,以当前流行的浮点型数字信号处理器(TMS320VC33)为核心处理器的高精度数据采集仪.
短句来源
    Mocrochannel Plate with Wide Dynamic Range
    高动态范围微通道板
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  high dynamic
It is shown that the suggested adaptive system of estimating the torsion angle of the shaft ensures a high dynamic accuracy in the stationary and nonstationary modes of operation of the engine.
      
An Effective Tone Mapping Operator for High Dynamic Range Images
      
Simulation of natural daylight illumination determined by a high dynamic range image
      
The use of high dynamic range images as a source of the natural daylight illumination and a background for virtual scenes containing objects with complex optic properties (fabrics, automobile multilayer paints, etc.) is considered.
      
An analysis of the correctness of the available high dynamic range images is performed, and their drawbacks are discussed.
      
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This paper presents a new digital linearization principle for realizing the linearization of exponential and natural logorithm transducers by utilization of the strict exponential characteristic of charge-discharge of R-C active network. The linearization accuracy is high; the range of dynamic measurement available is wide and it is capable of direct output of pulse width and frequency signals.

本文提出利用R-C有源网络充放电的严格指数过渡特性实现指数或对数传感器的线性化方法.该方法具有线性化精度高、动态测量范围宽、直接输出脉宽或频率信号等特点,为传感技术的数字化、集成化提供了一种有效手段.

The optical processor of SAR requires a set of precise control system for the film transport to obtain high dynamic resolution. The control system ensures a stabibized and synchronous motion of the data film and image film. We have developed a film velocity and tension control system, which controls film velocity using phase-lock loop with the complex control, and drives two set of film transport with a high stabilized pluse generator, so that the tracking error between the data film velocity and image film...

The optical processor of SAR requires a set of precise control system for the film transport to obtain high dynamic resolution. The control system ensures a stabibized and synchronous motion of the data film and image film. We have developed a film velocity and tension control system, which controls film velocity using phase-lock loop with the complex control, and drives two set of film transport with a high stabilized pluse generator, so that the tracking error between the data film velocity and image film velocity is less than 0.3%. The film tension control system, which uses position sensor of opto-electric potentiometer, makes the variance of tension in full velocity range less than 6.8g. This paper describes the operation principle, main performance and measured results of the control system.

SAR光学处理器为获得高的动态分辨率,需要一套精密的输片机控制系统。它受保证数据胶片和图像胶片平稳、匀速而且同步地运动。为此,我们研制了胶片速度与张力控制系统,其中采用带有复合控制的锁相回路来控制胶片速度,并用同一具高稳定度的标准脉冲信号源来驱动两套输片机,从而使其速度的跟踪误差小于0.3%;还采用了用光电电位器作为位置传感器的张力控制系统,它使整个输片速度范围内的张力波动小于6.8g。本文叙述了上述系统的工作原理、主要性能和达到的指标,给出了实测数据和曲线。

A PWM voltage inverter corntrolled by a 16 bit microprocessor (Intel 8086) is presented in tins paper. Making use of the Optimal PWM Switching Strategy-Harmonic Elimination Method, Newton-Raphson algorithm and a realtime look-up table method, 5th, Jth and 11th (M=4) harmful harmonics can be eliminated efficiently in the output voltage of PWM inrerter, thus the performance in low-speed of induction motors can be improved, the pulsation torque can be reduced and the electromagnetic noise can be decreased greatly....

A PWM voltage inverter corntrolled by a 16 bit microprocessor (Intel 8086) is presented in tins paper. Making use of the Optimal PWM Switching Strategy-Harmonic Elimination Method, Newton-Raphson algorithm and a realtime look-up table method, 5th, Jth and 11th (M=4) harmful harmonics can be eliminated efficiently in the output voltage of PWM inrerter, thus the performance in low-speed of induction motors can be improved, the pulsation torque can be reduced and the electromagnetic noise can be decreased greatly. The experimental results show that this kind of voltage PWM inverter has high reliability, good dynamic performance,, simple control circuits, small volume and low cost. It not only can be applied to the area of low- to medium- motors in general industry, but also can be used for saving electrical energy in the applications of industrial air-blowers and pumps efficiently.

本文提出了一种16位微处理机(Intel8086)控制的电压型PWM逆变器。采用最优PWM开关方案——谐波消除法,借助于Newton—Raphson算法和实时查表法,可以消除逆变器输出电压中的5、7、11次有害谐波分量(M=4),从而大大改善了感应电机低速运行的性能,降低了转矩脉动,减少了电磁噪声。实验结果表明,本文提出的16位微处理机控制的电压型PWM逆变器可靠性高、动态性能好;操作简单、成本低、体积小,既适用于工业领域中、小容量交流电机的调速,又可用于一般风机、泵类负载电机的节能。

 
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