The dissertation presents the characteristics of the pulse obtained from the purely and doubly Q-switching laser of ground frequency, the doubly Q-switching laser of doubly frequency.
本论文我们主要研究了基频单调q、基频双调q及倍频双调q激光器的输出脉冲特性。
These higher-frequency sounds do not travel as far, and so may better conceal the individuals producing them, who are especially vulnerable to predators in their ground nests.
这些高频声音传播得没有那么远，因此可能更好地隐藏了发出这些声音的个体，它们在自己的地面巢穴中特别容易受到捕食者的攻击。
To reach the ground state, physicists had to cool their beams to nearly absolute zero.They also had to make the quanta as large as possible by making a beam stiffer to increase its frequency.
为了实现真正的基态，物理学家不得不将光束冷却到接近绝对零度，他们还要通过使光束保持静止来增大其频率，让量子尺度变得尽可能大。
In a cool, professional voice, the controller replied, ' Aspen 20, I show you at 1, 982 knots on the ground.' We did not hear another transmis sion on that frequency all the way to the coast.
ATC发来的回复听上去十分专业：“白杨20，你的地 面速度是1982节”在接下来的航程中，没人敢在这个频率上发出任何地面速度查询请求。
To reach the ground state, physicists had to cool their beams to nearly absolute zero. They also had to make the quanta as large as possible by making a beam stiffer to increase its frequency.
为了实现真正的基态，物理学家不得不将光束冷却到接近绝对零度，他们还要通过使光束保持静止来增大其频率，让量子尺度变得尽可能大。
At ground level, such vibrations-akin to low-frequency sound waves-are very small, only about the size of the vertical motions that produce them.
在地表，这种类似于低频声波的振动非常小，只相当于造成它们的垂直振动的幅度。
For high frequency, or low amplitude measurement, probe ground shall be connected to appropriate points in the circuit under test.
对于高频或低幅值测量﹐探头的地应接到测试电路中的适当位置。
Pulsars can emit gravitational waves by a variety of mechanisms in the sensitive frequency range of ground-based detectors.
脉冲星能够通过多种机制发射引力波，而且正好是在地基探测器的比较灵敏的频率范围内。
The demolition process of a 16th floor building in Harbin was monitored, and vibration velocity and frequency of ground particles were obtained during the blasting and collapsing process.
对哈尔滨市一幢16层楼房的爆破拆除过程进行了现场监测，获得了爆破和楼房倒塌过程中引起的地面质点的振动速度、频率等数据。
From the relation of spatial disturbing gravity and ground gravity data resolution as well as its scope, truncation errors are computed by dividing the gravity anomaly into frequency and resolution.
根据外空扰动重力与地面数据分辨率及其覆盖范围之间的关系，将重力异常分成不同频段、不同分辨率，分别计算了截断误差。
The frequency response functions of relative displacement and absolute acceleration are derived under acting of harmonic ground excitation.
推导了地面简谐运动作用下的加速度和位移的频率响应函数。
This dissertation studies the ground clutter suppression of ABSR. Because low pulse repetition frequency (LPRF) and low side-lobe antennaare adopted, we focus on main-lobe clutter suppression.
本文主要研究机载战场侦察雷达的地杂波抑制，由于采用了低脉冲重复频率和低副瓣天线，我们主要考虑主杂波的抑制。
As a device match of the high frequency ground wave radar, the responder 'working is correlating with the radar.
作为高频频地波雷达的配套器件，应答器的工作方式和雷达密切相关。
High frequency ground wave radar for near ocean inspection and ocean remote sensor is a method that use ocean echo wave Dopier spectrum to deduce the parameters of ocean situation.
高频地波雷达近海监测和海态遥感技术是一种利用海洋回波多普勒谱反演海态参数的方法。
Magnetic field of ground vehicles and warships is ultra low frequency, alternate and feeble.
车辆及舰船的磁场是超低频交变弱磁场。
So that ensure the camera on fly with satellite to obtain the demand ground pixel resolution over the Nyquist frequency. The paper also introduces the main parameters of foreign TDICCD camera.
确保相机装在卫星上飞行时，达到截止频率对应的地面像元分辨率，并介绍了国外TDIC CD相机的主要参数。
Under blasting vibration effect, the vibration frequency of ground particle has a great influence upon building damage.
在爆破振动作用下，地面质点的振动频率对建筑物的破坏具有很大的影响。
In this paper, the law of earthquake ground motion is analyzed comprehensively by taking account of duration, frequency characteristic and peak index of energy distribution.
本文从强震持时、频谱特性和能量分布峰态系数等三个方面对地震地面运动规律进行综合分析，提出了一种较为客观的地震地面运动分类方法。
By inserting a slot at the edge of the rectangular slot on the ground plane and loading a C-shaped resonator near the microstrip line, dual band-notched characteristic at the central frequency at 3.
通过在地板上的矩形槽的边缘开槽和在馈线旁加载C形谐振器，该天线实现在中心频率3。
High frequency radar is also a high frequency ground wave super resolution radar used on the seaside, and meantime it is one of projects of National 211 for building subject.
软件高频雷达也是一部在岸边使用的高频地波超视距雷达，是国家211学科建设项目之一。
The high frequency ground wave over-the-horizon radar can be adopted in detecting ocean state such as wind, ocean waves and ocean currents.
高频地波超视距雷达可以实现对海洋环境状态(如风、浪、流等海洋动力学参数)的监测。
The Doppler spectral broadening due to nonstationary movement of target and radio-frequency clutter will decrease the veracity of target detection by high frequency ground wave (HFGW) radar.
海面低速目标的非均匀运动和射频瞬态干扰引起的多普勒谱展宽影响高频地波雷达检测目标的准确性。
We analyze the frequency response characteristics of the regression filter and compare the computational complexity of regression filter with that of fifth-order elliptic IIR ground clutter filter.
分析了回归滤波器频率响应特性，比较了回归滤波器与IIR椭圆地物杂波滤波器的计算复杂度。
Microwave circuits differ from lower frequency circuits in ground connection, interconnect and manufacturing of the transmission lines.
微波电路与低频电路的不同主要在于接地，互连与微带线的制造。
The natural frequency and mode of the oil storage tank with an in-floating roof supported on the ground are calculated, and its dynamic response to the horizontal earthquake motion is analyzed.
本文着重计算和分析了刚性基础上的内浮顶油罐的固有频率、振型和水平地面加速度作用下的动力响应。
Then some rules are presented: the frequency characteristics, acceleration peak value of the input ground motion have great influence on the seismic response of composite foundation.
结果表明：输入地震动的强度和频谱特性对复合地基地震效应影响较大；
The analysis shows that increasing the excitation frequency of the source reduces the decay rate of the ground vibration.
分析表明，对理想弹性半空间来说，增大扰频会减小地面波动衰减率。
Using the actual collected radar echo signals, we analyze the ground clutter suppression performance of the adaptive Gaussian frequency filter.
针对实际采集的雷达回波信号，分析了自适应高斯频域滤波器的地物杂波抑制性能。
The detection method of low frequency signal injection, which is widely used, is easily influenced by the capacitors between ground and each branch and by the ring net.
目前广泛使用的低频信号检测法容易受到直流系统支路中存在的对地分布电容和环网的影响。
The detection method of low frequency signal injection, which is widely used, is easily influenced by the capacitors between ground and each branch and by the ring net.
目前广泛使用的低频信号检测法容易受到直流系统支路中存在的对地分布电容和环网的影响。
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