1、

This paper realized these two use, and conclusions could got by analyzing the time deviation, frequency deviation, frequency drift, Allan deviation and the noise coefficient. All these conclusions have proved that Kalman algorithm can achieve better results in these two ways.

论文实现了这两类运用,通过对滤波后时差、频差、频漂、Allan偏差以及噪声系数的分析,得出结论,证明Kalman滤波算法在这两类运用中都能取得较理想的结果。

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2、

By analyzing the thermal effect to amplifier, we build the frequency drift model.

并分析温度、湿度等外界环境变化对放大器电路非线性变化的影响,建立60GHz系统频率漂移的物理模型。

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3、

The hydrogen maser is the most stable frequency standard generally available today for all but the shortest measuring times. For long measuring times of 10 4s or longer, its performance typically deteriorates due to frequency drift of high Q resonant cavity.

氢脉泽是至今为止除极短时间测量间隔之外最稳定的频率标准,对于104s或更长的测量时间间隔,它的性能由于高Q值谐振腔而引起频率漂移而变坏。

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4、

Doppler frequency drift and timing error were considered in state transform equations.

状态方程综合考虑了多普勒频移、定时误差.

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5、

The designed DCXO adopts Pierce architecture. The frequency drift correction is done by using a 6-bit automatic frequency control ( AFC) signal generated by the feedback correction loop between the oscillator and the base band. The long term stable frequency output has been obtained.

所设计的数控晶体振荡器采用Pierce结构,利用基带与振荡器的反馈环路产生的6位自动频率控制信号,对振荡器的频率漂移进行校准,能得到长期稳定的频率输出。

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6、

for this temperature drift character, this paper referred to crystal oscillator temperature compensation principle, according to the feature of rtc circuit, designed a calibration algorithm based on divide-chain frequency.

本文针对晶体振荡器的温漂特性,参考微处理器温度补偿晶体振荡器原理,根据实时时钟的电路特点,设计了一种基于分频链的频率校准算法。

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7、

By analyzing the frequency of dominant allele, it is proved that diagonal crossover and uniform scanning crossover do not cause genetic drift, but occurrence-based scanning crossover induces strong genetic drift that deteriorates with the number of parents increasing.

通过基因频率分析,证明了对角交叉和均匀扫描交叉不会引起遗传漂移,但基于基因频率的扫描交叉可导致遗传漂移,其程度随重组规模的增加而加剧。

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8、

At the working frequency of 1 kHz, its AC resistance and AC capacitive reactance reaches 100 k Ω and 10 k Ω, respectively, with time drift less than 1%.

1kHz工作频率下,探针的交流电阻和交流容抗分别为100kΩ和10kΩ,时漂小于1%。

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9、

run sway the drift charging vehicle video frequency for my freewheel !

给我一个飞轮跑跑摇控车的漂移视频!

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