讨论了频率稳定度时域测量带宽如何选择的问题。
The selection of measurement bandwidth in time domain frequency stability is discussed.
本文实现了利用数字方法计算正弦波的频率稳定度。
This paper gets the frequency stability of a sine wave using a digital method.
理论分析表明激光频率稳定度与拍频频率的稳定度相同。
Theoretical analysis showed that the laser frequency stability and the beat frequency stability is in the same.
实验结果表明,此传感器在液体中具有较高的频率稳定度。
The experimental result shows that this sensor has a high frequency stability in liquids.
雷达发射机频率稳定度严重地限制雷达改善因子和可见度。
The frequency stability of radar transmitter is closely related with the radar improvement factors and visibility.
数据采集系统是射频脉冲序列脉间频率稳定度测试系统中的一部分。
Data acquisition system discussed in this paper is a part of the measurement system of pulse-to-pulse frequency stability of RF pulse trains.
高频率稳定度功率合成器,是属于微波、毫米波领域中的非谐振功率合成技术。
The utility model relates to an HF stabile power synthesizer which belongs to the unresonance power synthesis technology in the field of the microwave and the millimeter-wave.
本文设计了一种测量仪,基于拍频技术对半导体激光器频率稳定度进行相对测量。
In this paper, a measuring instrument is designed based on relative measurement of the semiconductor laser frequency stability making use of the beat technology.
本功率合成器具有频率稳定度高、功率稳定度高、合成效率高、调试方便等优点。
The power synthesizer has the advantages of high frequency stability, high power stability, high synthesized efficiency, convenient regulation, etc.
尤其是石英晶体谐振片采用了SC切型进一步提高了短期频率稳定度和加速度灵敏度。
Especially, the use of SC cut quartz crystal further improves the short-term frequency stability and acceleration sensitivity.
实验证明,该设计结构简单,频率稳定度高,谐波分量少,可靠性好,满足测试要求。
Experiments prove that the design has the advantage of simple structure, highly stable frequency, less harmonic component, better stability, which can fulfill the test requirement.
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.
其发射机频率稳定度高,调制频偏大,在电源电压变化约30%的条件下亦能稳定工作。
Transmitter has a high frequency stability and big FM deviation and can also operate under the changing of power supply voltage in the range of. 30%.
为了提高调频电路和晶体振荡器的频率稳定度,采用温度补偿电路是一种极其有效的方法。
In order to improve the frequency stability of the frequency modulation circuit and the crystal oscillator, using the temperature compensation circuit is extremely effective method.
方程的二阶近似解显示出非线性效应对振荡频率稳定度、振幅稳定度及波形正弦纯度的影响。
The frequency stability, amplitude stability and harmonic content can be deduced from the second order perturbation solution of that equation.
锁相环频率合成器是一种相位锁定装置,是一种频率稳定度较高的离散间隔型频率信号发生器。
The phase-locked loop frequency synthesizer is a kind of phase lock installment and it is a kind of separate gap frequency code generator with high stability frequency.
本文介绍了时钟网络中抖动、相位噪声、偏移、频率稳定度等参数的概念以及它们之间的转换关系。
The paper introduce the concepts of timing parameters, including: jitter, phase noise, skew, frequency stabilization, and the relationship between them.
方波电源是采用数字技术的脉冲电源,具有相位严格、频率稳定度高,抗干扰能力强等独特的优点。
The square wave source is an impulse source in which digital technique is used. It has the advantages of rigid phase, high frequency stabilization and high antijamming.
实践表明,其具有大动态功率输出范围、高频率稳定度和低功耗的特点,连续工作时间长,使用方便灵活。
Practice has proved that it has more advantages, such as wide dynamic output range, high steady frequency, low power consumption, long working hours, convenient use and so on.
对影响该高距离分辨率技术的系统频率稳定度和目标多普勒响应进行了分析,计算出目标第一零值点速度。
The system's frequency stability and target's Doppler effect, which mainly influence high range resolution technique, were also analyzed. The first null velocity was calculated.
DDS技术是一种先进的频率合成技术,其主要优点是易于程控,相位连续,输出频率稳定度高,分辨率高。
DDS is an advanced technique on frequency synthesis, whose primary advantages are controlling facility, continuous phase and fine frequency resolution.
该遥控装置采用晶体稳频脉冲调幅发射机,电路较简单,频率稳定度高,发射的是间断的28MHZ等幅载波。
The remote control device crystal frequency stabilization using pulse amplitude modulation transmitter, A simpler circuit, high frequency stability, launched 28MHZ are continuous carrier amplitude.
频率合成器是一种频率稳定度较高的离散间隔型频率信号发生器,广泛应用在通信、雷达、仪器仪表及导航系统中。
The frequency synthesizer is a kind of discrete frequency singal generator with high stability, and it is widely used in communication, radar, apparatus and navigation system.
其具有频率稳定度好、频率分辨率高、频率切换速度快、相位噪声和杂散干扰分析相对简单、体积小、功耗低等优势。
It has great advantages of frequency stability, high frequency resolution, speed of frequency switching, simple analysis of phase noise and spurious, small size and low power.
提出对心电遥测系统的技术要求,包括保真度、工作距离、辐射功率、灵敏度、频率、频率稳定度、调制方式和安全等。
Presents the technical requirements of ECG telemetering systems, including fidelity, range, radiated power, sensitivity, frequency, frequency stability, modulation mode and safety.
实验通过观察双纵模稳定激光的模式输出,分析了影响激光频率复现性与频率稳定度的因素,测量了稳定激光的功率和频率稳定度。
Through the experiment, the authors analyzed the factors which affect the laser frequency repetition and stabilization, and measured the stabilized laser power and the frequency stabilization.
本文描述上海天文台为改善氢脉泽标准的频率稳定度和工作可靠性所采用的主要技术,同时给出了采用这些技术后氢脉泽的新的性能数据。
This paper describes approaches taken by the Shanghai Observatory to increase the frequency stability and operational reliability of its hydrogen maser. Performances of the new maser are given.
本文描述上海天文台为改善氢脉泽标准的频率稳定度和工作可靠性所采用的主要技术,同时给出了采用这些技术后氢脉泽的新的性能数据。
This paper describes approaches taken by the Shanghai Observatory to increase the frequency stability and operational reliability of its hydrogen maser. Performances of the new maser are given.
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