该合成器采用谐波锁相和双反馈锁相技术，性能优良。
The synthesizer has a good performance thanks to harmonic phase locking technology and double feedback phase locking technology.
采用数字锁相技术从噪声中提取有效信号，以减小测量误差。
The digital lock-in technique is used to rather extract the effective signal from the noise and reduce the measurement error.
锁相技术在调制和解调、频率合成电路等很多领域应用极其广泛。
The phase-lock technique is widely used in many fields, such as modulation and demodulation circuit and frequency synthesizer circuit.
对基于环形腔光反馈的光纤激光被动锁相技术进行了理论和实验研究。
Technique for passive phase locking of fiber lasers by an all-optical feedback loop is studied theoretically and experimentally.
从理论上对被动锁相技术中所存在的这种波长随机现象进行了分析和解释。
And theoretical analysis is given to explain these random wavelengths existing in this kind of technique for passive phase-locking.
因此对PWM整流器及其并网锁相技术进行深入研究具有很重要的现实意义。
So a further research on PWM rectifier and its phase locked technique is deep real meaning.
研究了利用注频锁相技术实现低成本、高集成度、高效率的发射波束形成系统。
The paper studies a new kind of beam forming system based on injection-locking technique, which has the merits of low cost, high integration and high efficiency.
对软磁盘的数据和时钟的同步和分离，只是锁相技术在计算机领域的应用之一。
The synchronization and separation of the data and clock from floppy disk driver are one of phase-lock techniques' use in computer field.
该合成器采用程控时分复用小数分频锁相技术，解决了快速跳频频率合成中的诸多固难。
Some technique problems in fast frequency hopping synthesis are solved by making use of a programmable time division-fractional division PLL.
为测量大口径光学薄膜器件的吸收，提出了一种新的基于图像锁相技术的成像光热检测法。
For absorption measurement of large-aperture optical coatings, a novel method of imaging photothermal microscopy based on image lock-in technique is presented.
这种采用锁相技术、同步检波的原理，降低了整个系统的成本，提高了灵敏度，并使得载波信号与调制信号完全达到同步。
The application of phase-locked and synchronous detection reduce the cost of the whole system and improve the sensitivity. Carrier signal and modulation signal achieve entirely synchronous too.
系统中采用了锁相技术和地址编码，并采用间隙工作方式，使得本系统工作性能稳定，目标源一次充电可连续工作10天以上。
Phase lock oscillator, address coding and intermission mode are taken to stabilize the system and to promise the targets working period longer than 10 day.
对一般环形线圈检测器的原理进行了定量分析，提出了一种采用锁相技术的环形线圈车辆检测器的设计原理，并给出了相应的软件设计框图。
Based on the analysis of former Loop Vehicle Detector, the paper proposes a new design method of Loop Vehicle Detector, and gives the electronic circuit structure and software diagram.
设计了基于模拟滤波器和基于数字锁相放大技术的两种红外气体传感器的信号处理方法。
Two signal processing methods, one based on analog filters, the other based on digital lock-in amplifying technique, are developed and analyzed.
采用高精度的直接数字频率合成（DDS）和数字锁相环技术，实现了高频率跟踪精度。
DDS and digital phrase-lock technology have been applied in FPGA to improve the accuracy of frequency tracking.
锁相式频率合成技术提供了解决这一问题的思路。
Phase locked loop technique offers a way to resolve this problem.
实践表明：利用一种改进的FFT校频技术对载波频偏进行一次校频，能使载波频偏快速落入锁相环快捕带内。
It has been proved that an improved FFT frequency correction technology, which makes carrier frequency deviation come into fast capture bandwidth quickly, is presented to correct frequency.
本论文对取样锁相理论及技术的全面研究，为新产品开发做了一定的预研工作。
The general research on the theory and technology of sampling phase lock in the paper will make a basement for the development of new product.
为了抑制噪声的影响，应用交流技术开发了有更高精度的锁相微分电导测量系统。
In order to depress the noise, a lock-in differential conductance measurement system is designed.
研究了软件锁相环技术在陀螺用无位置传感器无刷直流电机稳速控制系统中的应用。
The software phase-locked loop (SPLL) technology in the steady speed control of permanent magnet brushless DC motor (BLDCM) in gyro was discussed.
锁相环路在现代电子技术中应用十分广泛。
Locking phase ring circuit is widely used in Modern electronic technology.
有效地运用锁相同步技术，不仅可以提高测量的速度、改善测量的准确度，还可以实现一些特殊的控制效果。
Effectively applying the technology of PLL not only enhance and improve the speed and the veracity of measurement, but also can actualize some special controlling effects.
最后分别对改进的FFT校频技术及锁相环进行了仿真分析，结果表明该方法在低信噪比下仍具有良好的性能。
Finally, a simulation analysis for the improved FFT frequency correction technology and phase-lock loop is maked, the result shows that the method also has a good performance in the low SNR situation.
一次解调中研究了频谱分离法和锁相法两种实现鉴频的技术。
We have mainly researched two FM signal demodulation techniques called Frequency Spectrum Separation and Phase Lock Loop in the first part.
本文给出了一种采用自偏置技术的低抖动延迟锁相环，可应用于高频时钟产生电路。
In this paper, a low-jitter process-independent DLL(delay locked loop) based on self-biased techniques is presented.
以数字延迟锁相环为基础，并采用数模混合技术，实现了带电源控制的数字延迟锁相环。
Based on digital delay-locked loop, the mix signal technique is used to implement the digital delay locked loop with the resource control technique.
介绍分频锁相频率合成技术。
The technology of frequency division phase-locked frequency synthesis is introduced.
特种的传导电缆和特殊的锁相环技术使高度信号更精准；
The conduction of special cable and special phase lock loop technology makes high signal more accurate;
介绍了锁相环(PLL)技术和直接数字式频率合成(DDS)技术的基本工作原理，给出了一种提高DDS输出频率精度及减小其相位截断误差的方法。
This paper introduces the theory of the phase-locked loop (PLL) and the direct digital synthesis (DDS), a method to improve the precision of DDS and reduce its phase truncation error is also given.
介绍了锁相环(PLL)技术和直接数字式频率合成(DDS)技术的基本工作原理，给出了一种提高DDS输出频率精度及减小其相位截断误差的方法。
This paper introduces the theory of the phase-locked loop (PLL) and the direct digital synthesis (DDS), a method to improve the precision of DDS and reduce its phase truncation error is also given.
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