这类压控晶体振荡器广泛用于无线电通讯和其它电子设备作频率源。
This kind of VCXO cover a wide variety of radio communications and other electric equipments as frequency source.
分析 了天线尺寸变化对工 作频率的影响，得出所设计的天线频率比在1.67～2.67范围内可调。
The effect of antenna size on frequency is analysed, whi ch shows that the frequency ratio can be tuned from 1.67 to 2.67.
用CPLD作频率计数字电路的核心部件，可简化频率计的硬件电路，提高系统的工作速度，节约设计与制造成本。
Using CPLD as the core of the circuit, it can simplify the hardware circuit, improve operational speed and save production cost.
他说：“有人以非常高的频率作新闻交易，人们对此有所担心。”
“People are trading news at very high frequency,” he said. “People worry about that.”
我不常做梦。 （dream是不及物动词，often是频率副词，在句中作修饰语。
为了使“指认”工作更加高效，和协作完成书作的克劳德·门迪比尔根据法语中字母的使用频率高低，排列出了一张特殊的字母表。
To make dictation more efficient, Bauby's interlocutor, Claude Mendibil, read from a special alphabet which consisted of the letters ordered in accordance with their frequency in the French language.
缩短你的跨步。我这里不想对频率和跨步长度作讨论，只想说大多数长跑的人的跨步都太长了。
Shorten your stride. I won't get into a discussion of turnover versus stride length here, but suffice it to say most runners have too long of stride.
我这里不想对频率和跨步长度作讨论，只想说大多数长跑的人的跨步都太长了。
I won't get into a discussion of turnover versus stride length here, but suffice it to say most runners have too long of stride.
通过对调制信号作谱分析，以其频谱中是否存在某种故障的特征频率分量来诊断有无该种故障。
The fault is diagnosed by extracting the fault feature component from the frequency spectrum of the modulated signal.
利用信号恢复技术，对地震式低频振动传感器因频率特性而畸变的输出作补偿处理。
Signal recovery technique is adopted to compensate the output which is distorted because of the frequency characteristics of seismic transducer.
利用自制装置演示了声源作圆周运动的多普勒效应，并应用图谱分析软件得到频率分布图。
Doppler effect can be demonstrated by manufactured device when the sound source is in circular motion. The frequency spectrum is gained with chart spectrum analysis software.
其次，对作动器的滚珠直族副、滚珠花键副、滚珠卸荷副分别进行了赫兹接触共振分析，计算出接触共振频率；
Next, carries Hertzian contact resonance analyses to ball straight-rotary pair, ball spline pair and ball unload pair, calculates contact resonance frequencies.
任何国家都难以避免过度投机行为，但是这一情况在中国的高频率发生应该使政策制定者作认真思考。
No country is immune to the occasional speculative frenzy, but their frequency in China should give policy makers pause.
在试验基础上作参数修改和模态重新分析，使固有频率的总相关系数达90%。
Due to the modification of the parameters and the reanalysis based on the results of test the general correlation coefficient for the natural frequencies is over 90%.
在光学天线频率编码分析中，本文提出了利用多光纤环级联代替单光纤环作反馈单元实现频率编码的思想。
On the pulse frequency encoding of the antennas, the thesis provided the feedback units using multi closed loop delay circuit.
首先是采用BG 1999光释光谱仪选定激发光源，确定释放光子的频率，再用矿物的特征光释光谱作年龄测定。
The selected frequency optical luminescence dating (SFOLD) means that the characteristic frequency of the crystal is used to dating. Equipment BG1999 is created for optical luminescence.
该方法无须对原机器硬件作任何改动，可用于微机实时控制系统中，方便地获得任意采样频率。
No hardware alteration is needed in this method. The time-interrupt achieved can be used in real-time microcomputer control systems and various sample frequencies can thus be conveniently obtained.
利用能量梯度法优化构型，对各优化的构型作振动分析，均未出现虚频率。
For all optimized configurations, there is no imaginary frequence in the vibrational analysis.
如果把瞬时频率作适当的非线性变化，就可以得到一个以地层衰减率的倒数的平均值为输入的频谱。
If a proper non - linear change of the instantaneous frequency is realized, we can get a frequency spectrum whose input is the mean of the reciprocals of bed attenuation coefficients.
然而，精确地求解相位、幅值及频率是作全息谱的基础和前提，基于传统DFT方法是不能得到精确的值。
However, the accuracy of phase, amplitude and frequency are basis of the holospectrum. The values are inaccuracy through the traditional DFT.
本文给出了匀质椭圆柱体在平面上作无滑动的微幅摆动之固有频率的两种计算方法，得到两个固有频率的计算公式。
This paper gives two kinds of calculation methods of natural frequency of a mass-even elliptic column which oscillates in miniamplitude on a plane, obtains two formulas of natural frequency.
频谱分析表明测试信号中含有两个主频，分别对应发射探头的发射主频与测试面自振频率（采用ANSYS有限元程序作半空间体模态分析加以验证）；
The signal's amplitude spectrum reveals that there are two main frequency, the higher is the probe signal's dominant frequency and the lower is the testing plane's free vibration frequency.
R型小麦雄性不育系单倍体频率的变化是三种细胞质与不同的1B/1 R不育系互作的结果；
The change of haploid of 1B/1R wheat male sterile lines was the result that alloplasmic and 1B/1R chromosome interactive in CMS.
这种形式的舞动，属于驻波舞动。导线舞动时作周期性上下摇摆，其频率低振幅高而且能量大，有较强的破坏作用。
When the galloping occure, the transmission line vibrates up and down with low frequency, high amplitude and a great amount of energy, which causes great damage to the transmission line.
再一次，以收音机作比方，当你极其准确地调到那个频率上时，杂音消失了，你就可以听见讯号中过去听不见的微妙之处。
Again, like the radio, when you really get tuned very precisely onto the frequency, the static goes away and you can hear subtleties in the signal that you couldn't hear before.
该电路作放大和分频时，工作稳定、同步范围宽，频率变换增益高。
Utilized as an amplifier or divider, it has good stability, wide synchronous range and high translation gain.
本文最后给出，当角频率有偏离时，其最优简化模型可以利用正弦输入函数的渐近展开式作相应的改变的结论。而且这种方法也适用于其它输入函数的参数偏离时的情形。
If a parameter in the inputs of the original large scale system deviates, the corresponding reduced order model can be changed by using the asymptotic expansion of the input functions.
同时作线性处理，计算一个简单模型的固有频率，为旋翼与机身藕合系统的振动特性和响应分析提供一种新模型。
The equations of couple rotor fuselage are linearized . An example is given and this paper provides a new model for analysis of coupled rotor fuselage dynamics.
同时作线性处理，计算一个简单模型的固有频率，为旋翼与机身藕合系统的振动特性和响应分析提供一种新模型。
The equations of couple rotor fuselage are linearized . An example is given and this paper provides a new model for analysis of coupled rotor fuselage dynamics.
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