本文就被动型原子钟的环路设计讨论了原子谐振器频率准确度和稳定向锁定晶振的传递问题。
The loop design of the passive atomic clock is discussed to accomplish the transfer of the frequency accuracy and stability from the atomic resonance to the locked oscillator.
要使晶体振荡器的输出信号保持原子标准所固有的频率准确度和稳定度，所用压控晶体振荡器必须具有优良的性能。
The performance of VCXO must be excellent so as to maintain the inherent frequency accuracy and stability of the atomic standard.
频率梳显著简化了频率测量并大大提高了测量的准确度。
Frequency combs have dramatically simplified and improved the accuracy of frequency metrology.
根据其特性，利用FPGA设计了高准确度的数字频率信号源。
According to its characteristic, a high accuracy digital frequency supply oscillator has been designed using FPGA.
为提高扫描过程中频率的精度和准确度需要选择合适的扫描信号和检测方法。
We should choose the suitable sweep signal and good test method to improve the precision and accuracy of frequency.
为提高预测铸件凝固收缩缺陷的准确度，提出了频率因子的概念。
A conception of "frequency factor" is suggested for improving the accuracy to forecast the shrinkage defects.
测试结果表明所设计的分析仪输入频带宽、频率分辨力和扫频准确度高，达到国际同类产品先进水平。
The result showed that the analyzer has wide input frequency range, narrow RBW (Resolution Bandwidth) and high scanning accuracy, and it reaches the international advanced level.
频率的准确度和稳定度是发射机的一个重要性能指标。
The accuracy and the stability of signal frequency are very important performance indication in the transmitter.
影响双向卫星时间频率比对(TWSTFT)准确度的一个重要因素是卫星的运动。
One of the important factors affecting the accuracy of two-way satellite time and frequency transfer (TWSTFT) is the satellite motion.
用谐波分析法进行介损测量时，很容易受到系统频率波动的影响，从而降低测量的准确度。
The accuracy of the dielectric loss measurement based on harmonic analysis algorithm is greatly influenced by the frequency fluctuation.
从相关函数的基本原理出发，分析了频率偏移对信号测量准确度的影响。
According to the fundamental principle of correlation function, the effect of measuring accuracy resulting from frequency deviation is analyzed in this paper.
经实测频率响应和计算机辅助分析结果证明，辨识模型具有较高的准确度。
The measured frequency and the result of computer aided analysis prove that identification model has high accuracy.
但由于与噪声电压的大小，网络频率特性及噪声源功率谱形式有关，故测量准确度较低。
Because it is related to the magnitude of noise RMS voltage, the frequency characteristic of circuit and the power spectrum of noise source, the accuracy of measurement is quite low.
本文介绍了H P 8559A频谱分析仪频率测量显示电路的基本工作原理，同时阐述了怎样使用单片机对该型号频谱仪实施改造以改善其频率测量准确度。
This article sum up the principle of frequency display in HP8559A spectrum analyzer. And introduce a design to improve frequency accuracy of measurement by using Single-chip-computer.
该仪器具有基线漂移提示功能，从而确定仪器背景采集的频率，可以降低分析误差，提高检测结果的准确度。
This instrument can clue on baseline shift to decide the frequency of background scanning, which can deduce NIR analysis error and improve NIR veracity.
由于铷原子频标具有优良的频率和时间准确度及稳定度，被广泛应用于导航、通信、守时授时和各种科研领域。
The rubidium atomic frequency standards have been used in so many respects as navigation, communication, time transport and several science fields.
为了解决频率稳定度、准确度和频率高、宽范围可调之间的矛盾，就需要频率合成技术。
To address the frequency stability, accuracy and high frequency, wide scope of powers between the contradictions requires frequency synthetic technology.
目的研究时间频率和空间频率对扫描图像翻转诱发电位视力准确度的影响。
Objective To investigate the effect of spatial and temporal frequency on the Sweep pattern visual evoked response acuity (SPVER-A).
电视信号中的标准频率信号是受原子钟控制的高稳定度、高准确度的信号。
The standard frequency in television signals is a signal with high stability and accuracy, controlled by the atomic clock.
经实测频率响应和计算机辅助分析结果证明，辨识模型具有较高的准确度。
The measured frequency and the result of computer aided analysis prove that identification model has high accu...
经实测频率响应和计算机辅助分析结果证明，辨识模型具有较高的准确度。
The measured frequency and the result of computer aided analysis prove that identification model has high accu...
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