For welding thicker pieces, automatic frequency control should be adopted.
对于较厚的焊件，应进行频率自动控制。
Calling a registered frequency when the Automatic frequency Selection function is not used.
不使用自动频率选择功能时，调出已登记的频率。
Infrared automatic frequency, more convenient and accurate finds the corresponding frequencies.
红外线自动对频方式，更方便准确的找到相应频率。
Automatic frequency tracking is the most important characteristics of ultrasonic machining power.
频率跟踪是超声电源的一个重要特性。
Fully automatic frequency variation speed regulating NC die cutting production line control system;
全自动变频调速、数控冲切生产线控制系统；
The SPM-D21 provides automatic frequency, phase and voltage matching using either analog or discrete output signals.
扫描探针显微镜- d21提供自动频率，相位和电压匹配使用模拟或离散输出信号。
A new structure of automatic frequency controlling loop based on overlapping DFT algorithm is proposed in this dissertation.
本文基于交叠DFT算法提出了一种新的自动频率控制环结构设计方案。
The electromagnetic vibrational machine which has function of automatic frequency follow-up and stable amplitude was studied.
本文对具有自动频率跟踪和反馈稳幅功能的电磁振动机械进行了研究。
This paper introduced a design method of the automatic frequency and power control of ship power station based on Canbus and DSP.
介绍一种基于CAN总线和数字信号处理器DSP的船舶电站自动调频调载控制器的研制方法。
Calling a registered frequency when the Automatic frequency Selection function is not used. This example calls a frequency channel 01.
不使用自动频率选择功能时，调出已登记的频率。该例调出01频道的频率。
In order to make the RF source and the waveguide have the same resonant frequency, the automatic frequency control (AFC) system is used.
为了使得射频源和波导管的频率保持一致，采用了自动频率控制系统(afc)。
Automatic frequency of water supply equipment direct water-supply type, is the direct use of the municipal pipe network pressure to supply water directly.
全自动变频供水设备直接供水型，就是直接利用市政管网的压力直接供水。
This paper describes the electronic structure of which automatic frequency-tracking has been implemented with help of IC model CD4046 and its operating principle.
本文叙述了用CD 4046锁相环实现频率自动跟踪的电路结构和工作原理。
The automatic filter and automatic frequency compensation techniques introduced by this paper are just for improving the conventional filter and deconvolution methods.
本文推出的自动滤波技术和自动频率补偿技术就是为了改进过去的滤波和反褶积技术所采取的新措施。
It adopts auto adaptive step to track the frequency offset, so that it can shorten the AFC (Automatic frequency correction) tracking period and improve frequency precision.
新算法可以自适应地调节本振频率跟踪载波频率的阶距，从而很好地缩短了AFC的跟踪时间和改进了频率校正的精度。
An introduction is given in the article to an automatic frequency modulation broadcasting system with digital audio recording function based on the computer software and hardware.
介绍了以多媒体电脑软硬件构成的电脑数码音频录制及调频广播节目自动播放系统。
A wetness measurement system based on cavity perturbation method is designed for precise measuring, including automatic frequency tracing system and equal precision frequency measurement system.
以汽轮机内蒸汽湿度的准确测量为目的，设计了基于微波谐振腔微扰法的蒸汽湿度测量系统：自动频率跟踪系统和等精度频率测量系统。
The composition and operational principle of an automatic frequency con version constant pressure water supplying system based on PLC and frequency convertor with serial communication are introduced.
介绍了一种基于PLC和变频器采用串行总线方式通讯的变频恒压供水系统的构成和工作原理。
Frequency of automatic archiving - using scheduling.
自动存档的频率——使用调度表。
Automatic governing test of voltage and frequency for main generator (emergency generator).
主发电机(应急发电机)电压、频率自动调节试验。
This article introduces radio frequency automatic object identification technology and elaborates its application on highway and railway traffic system.
介绍了射频自动目标识别技术，阐述了该技术在公路和铁路交通中的应用。
Radio Frequency identification is an automatic identification technic.
射频识别技术是一种自动识别技术。
Automatic governing test of voltage and frequency for main generator.
主发电机电压，频率自动调节试验。
Methods of analyzing the dynamic performance of automatic control system can include time domain analysis, frequency domain analysis and stability.
自动控制系统的动态性能的分析方法包括时域分析法，频域分析法，及稳定性判据。
The article analyses the frequency security & stability of signal generator circuit of dispatching equipment of automatic block with frequency shift, and an optimum design scheme is concluded.
本文对移频自动闭塞发送设备信息源电路的频率安全性及稳定性进行了分析，并总结出最佳设计方案。
The phase- locked loop is one kind of control system which is able to achieve phase automatic lock, to compose frequency and to trace demodulation system.
锁相环路是一种能实现相位自动锁定的控制系统，主要用于频率合成及跟踪解调系统。
In recent years, fire occurred in a higher frequency. Installing automatic fire detectors in buildings is an important means to prevent fires.
火灾是近年来发生频率较高的一种灾害，在建筑物中安装火灾自动报警器就是预防火灾的一个重要手段。
For improving the precision of the frequency measure, presents a frequency measure algorithm by integrating automatic adjusting the sampling parameter and spectrum correction.
为提高频率测量精确度，提出一种自动调整采样参数与频谱校正相结合的频率测量算法。
The phase-locked system is a closed loop automatic control system that can follow the frequency and phase of the input signals.
锁相系统是一个能够跟踪输入信号频率和相位的闭环自动控制系统。
The phase-locked system is a closed loop automatic control system that can follow the frequency and phase of the input signals.
锁相系统是一个能够跟踪输入信号频率和相位的闭环自动控制系统。
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