最后提出周期误差检测平台的优化设置方案。
Finally, it puts forward an optimum scheme to set up the platform for detecting the cyclic errors.
试验表明,短周期误差的60%左右可以被补偿掉。
As proved by experiments, about 60% of the short periodic errors can be compensated.
同时,对呆用平台法检测周期误差的棱镜对点精度进行了分析。
The accuracy of the centric position of prism used to test cyclic errors with platform method is also analysed.
对于不同的仪器构成成份不同,有的仪器度盘有短周期误差,有的则没有。
But for different instruments, some have short-cycle error and the others have not.
影响传动平稳的加工误差主要因素是来自机床传动链周期误差及刀具误差;
The machining error affecting meshing stability comes from the cycling error of the machine's transmission chain and the error of the tools.
周期误差是相位式光电测距仪的主要误差之一,它对测距成果的精度往往产生严重的影响。
Periodic error, one of the main errors occurring with phase-type optic-electronic rangers, often results in influences seriously affecting the accuracy of measured distances.
并不是,测量一个周期,而是,测量10个周期,因为这样,不确定性减小,测量值的,相对误差减小。
But instead of measuring one period, I'm going to measure ten periods, because that gives me a smaller uncertainty, a smaller relative error in my measurements.
在l上有1%的误差,在周期上有,0。5%的误差,大概是0。02秒。
Since you have a 1% error in l, you're going to have a half a percent error in your period, so that is about 0.02 seconds.
轴系回转误差运动的特征是一项复合信号,它含有周期分量和随机分量。
The characteristics of error motion of shafting is a complex signal which includes periodic component and random term.
当声波是空间位置和时间的周期函数时,平面波误差项永远是一负偏差项。
The plane wave error is always negative windage, when the sound wave is the cycle function of space and time.
全波傅氏算法是基于周期信号推导出来的,当采样信号中含有衰减直流分量时,将会产生误差。
The decaying DC component in the sampling signal will bring errors to the full-wave Fourier algorithm, which is derived with periodic signal.
快速傅里叶变换在非同步采样和非整数周期截断的情况下存在较大误差,无法获得较精确的间谐波参数值。
The fast Fourier transform (FFT) will bring on higher error under nonsynchronous sampling and truncated non-integral period, thus more accurate interharmonic parameter values cannot be obtained.
仿真结果表明,采用5位数控方式调谐电容阵列,调谐时间误差不超过三个时钟周期,满足系统要求。
Simulation results showed that, with 5 CNC mode tuning capacitor arrays, the tuning time error was no more than three clock cycles, which meets requirements of the system.
周期信号测量中广泛采用软件同步采样测量方法,其测量误差普遍存在。
Software synchronous sampling is widely employed in periodic signal measurement, but measurement errors occur very commonly.
同时测量周期越长,仪器对弱信号的识别能力越强,测量误差越小。
It is the longer to measure cycles, the stronger the capability of instrument recognition to the weak signal is, it is the less to measure the error.
重复控制的基本思想是控制理论中的内模原理,根据上一周期的控制误差消除后面各周期性的信号误差。
The repetitive controller based on the theory of internal model produces correction signal based on the control error of the last cycle to eliminate the error in the latter cycle.
运用扩展的生命周期模型,我们进一步证实了我国居民消费存在明显的误差修正行为。
Adopting a extension form of life cycle model, we further confirm that consumers' spending exhibits a error correction-type behavior.
质量保证体系对提高野外采集精度,减少施工中的各种误差,缩短资料处理周期有较好的作用。
The quality assurance system serves the better function to enhancing accuracy of field acquisition data and eliminating various errors during working and reducing period seismic data processing.
利用FFT变换进行谐波分析,非整周期采样会带来较大的误差。
Non integer period Sampling leads to large error in harmonic analysis by FFT.
但成像干板的判读系统也存在着许多问题,判读效率低、人为误差大、处理周期长。
But there are also some problems about the photo-plate image reading system such as low precision, big artificial error, long processing period, ect.
应用线化和校正方法,研究了单摆的非线性振动,作出了周期比和相对误差随摆角的变化曲线。
The vibration of the nonlinear pendulum is studied by means of linearization and correction method, the curves of the period ratio and the relative error is plotted.
基于齿轮副的动态啮合模型,对具有误差激励的齿轮副按长、短周期从理论上研究了其动态响应特征。
The paper researches the spectrum characteristics of dynamic response of the gear pair with the error excitation in the long and short period based on dynamic mating model of the gear pair.
双周期成分是可以精确预报的,负荷预报的误差主要来自混沌成分。
Since the double period component can be forecasted accurately, the load forecasting errors are chiefly caused by the chaotic component.
测量取值的有限时宽效应,可以采用时间累积或周期延拓方法,把测量方法误差降到足够小。
The measurement error caused by finite intervals effect of measured value can be decreased using time cumulation or periodic expansion.
传统气相色谱法检测油中溶解气体存在分析环节多、操作频繁、试验周期长、误差大等弊病。
The traditional gas chromatography for testing dissolved gas in transformer oil has the disadvantage of multiple analytic links, frequent operation, long testing cycle and large errors.
分析了这三种改进算法的误差和性能,供交流周期信号测量选择。
The error caused by each algorithm was analysed, and some Suggestions for ac periodic signals measurement were provided.
但是由于指令周期考虑不全和硬件自身的原因易引起定时误差。
Because instruction period is not completely considered and the hard ware is not perfect, it is easy to cause error.
提出了误差订正间隔和相似更新周期的新概念。
The new concepts such as period of analogue updating (PAU) and interval of correcting errors (ICE) are also raised.
分析、比较了测频率法、测周期法、等精度测频法等几种常用测频方法的原理及误差。
The differences of principle and precision between frequency measurement method, cycle measure method, and equivalent precision frequency measurement method are compared.
分析、比较了测频率法、测周期法、等精度测频法等几种常用测频方法的原理及误差。
The differences of principle and precision between frequency measurement method, cycle measure method, and equivalent precision frequency measurement method are compared.
应用推荐