RF radio frequency accuracy is a crucial aspect of the parameters, the article describes the detection of RF precision steps.
说明:RF精度是射频方面的一个至关重要的参数,文章介绍了检测RF精度的步骤。
The performance of VCXO must be excellent so as to maintain the inherent frequency accuracy and stability of the atomic standard.
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。
Selecting the appropriate circuit model and then analyzing their frequency accuracy, the requirement for the noise suppression and channel linearity.
选择合适的电路形式,再分析它们的频率精度和噪声抑制要求,以及对信道的线性要求。
The disadvantage of high precision frequency accuracy measurement method available is that an expensive high-resolution time interval counter is needed.
常用高精度校频算法的不足在于需要昂贵的高分辨时间间隔计数器。
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.
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。
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.
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 has the advantages of simplicity, reliability, high frequency accuracy, strong commutation ability and less strict demand for SCR off-time the paper concludes with a list of the test results.
该变频调速系统具有简单、可靠、频率精度高、换流能力强和对可控硅关断时间要求不高等优点。最后给出了试验结果。
The pulling frequecncy needs to be high to ensure high data accuracy, but high pulling frequency may induce redundant checks leading to high network traffic.
这种拉取 方式的频率要足够高才能保证很高的数据精确度,但高频率可能会导致多余的检查,从而导致较高的网络流量。
Frequency combs have dramatically simplified and improved the accuracy of frequency metrology.
频率梳显著简化了频率测量并大大提高了测量的准确度。
Inherency frequency of servomechanism is to have an influence on the key parameters of servo accuracy and response capability, and demands the calculation of inherency frequency in the design stage.
伺服机构固有频率是影响伺服系统伺服精度、响应能力的重要参数,在设计阶段就需要对伺服机构的固有频率进行计算。
As the frequency and range of sway increase, the estimation accuracy of misalignment angles will be further improved.
随着舰船摇摆频率和幅度的增大,失准角的估计精度会进一步得到提高。
Although accuracy is Paramount to success on the job, least stressful aspects include a comfortable pace and low frequency of conflict situations.
虽然这个职业中准确性是至关重要,压力最低的方面有舒适的工作节奏,低频率的矛盾情况。
According to its characteristic, a high accuracy digital frequency supply oscillator has been designed using FPGA.
根据其特性,利用FPGA设计了高准确度的数字频率信号源。
The high frequency clock allows for a greater sampling rate, which results in higher accuracy and faster signal processing capability .
高频时钟可支持更高的取样率,从而达到更高的精确度和更快的信号处理能力。
Accuracy of the boundary in frequency do, main is first discussed and demonstrated in terms of one dimensional model of wave motion.
首先讨论了频域透射边界的精度,并用一维波动模型详细论证了它的精度和可行性。
The paper introduces the technique feature and the operation principle of chip CS5460A, and its application in high-accuracy power frequency voltage, current, power, power factor, frequency meter.
本文介绍了CS5460 A芯片的特点、工作原理及其在高精度工频电压、电流、功率、功率因数、频率表中的应用。
After correction, the estimates of signal amplitude and frequency have high accuracy.
修正后的信号强度和频率估值有相当高的精度。
We should choose the suitable sweep signal and good test method to improve the precision and accuracy of frequency.
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。
A conception of "frequency factor" is suggested for improving the accuracy to forecast the shrinkage defects.
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。
So, for the same SNR, edge techniques can improve the measurement accuracy of Brillouin frequency shift greatly comparing with the conventional detection techniques.
所以,在相同信噪比下,与常规检测技术相比,边缘检测技术可以大大提高布里渊频移测量精度。
The FEM and measured results validated the accuracy of this model in frequency calculation of piezoceramic elements.
有限元计算和试验测量结果验证了这一模型对压电振子频率计算的准确性。
The influence of the parameters of the valve on responding speed and flow - dividing accuracy is researched by frequency characteristic analysis method.
采用频率特性分析方法研究了元件参数对分流阀的响应速度和分流精度影响。
Driving is mainly regulated by frequency converter, with high driving accuracy of synchronous belt.
主传动采用变频调速。同步带传动,传动精度高。
By means of this technique, the signal frequency can been controlled with facility, accuracy, continuous phase and fine frequency resolution.
利用这种技术可以方便的实现高精度、连续相位、高分辨率的频率控制。
By these methods, the disturbance of the frequency leakage and the noise can be reduced and the accuracy of the harmonic analysis can be improved.
这些改进能够进一步降低泄漏和噪声干扰,提高谐波分析的准确性。
The new tracking algorithm decreases the computational complexity greatly, and increases the accuracy of the frequency synchronization.
新的频率跟踪算法降低了计算量,提高了频率同步的精确度。
For the limitation of the accuracy of IFM technology, the frequency tracking accuracy can't be examined directly.
由于现有瞬时测频技术精度的限制,无法直接对其频率跟踪精度进行检定。
This new method reduces the influence of time response of Fourier filtering on frequency measurement and improves the accuracy of transient frequency measurement.
新的算法有效地补偿了富氏滤波的时间响应对频率测量造成的影响,提高了算法的暂态测频精度。其程序和计算非常简单。
This method is based on the multi-cycle synchronization frequency measurement has higher accuracy.
该方法继承了多周期同步测频法的优点,同时提高了测量精度。
To address the frequency stability, accuracy and high frequency, wide scope of powers between the contradictions requires frequency synthetic technology.
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。
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