QPC has internally demonstrated single-frequency powers exceeding 3 watts at conversion efficiencies greater than 50 percent at 1064 nm.
在QPC公司的内部演示中,在1064nm波长处,单频功率超过3瓦,转换效率高于50%。
Detecting cycle slips is one of the technical difficulties in single-frequency precise point positioning.
周跳探测是单频精密单点定位技术的难点之一。
The second chapter introduces the theory of single-frequency laser, and it is the theoretical basis of this paper.
本文的第二章介绍了单频激光器的理论,是本论文的理论基础。
The directivity function is used to describe the sound field of single-frequency and broad-band waves produced by a medical linear array.
用指向性函数分别描述了医用线列阵单频波和宽带波声场。
High power operation of single-frequency Raman fiber amplifier (SF-FRA) is usually limited by the generating of stimulated Brillouin scattering (SBS).
高功率单频光纤拉曼放大器(SF -FRA)的输出功率往往会由于受激布里渊散射(SBS)的出现而受到限制。
A longer laser resonator length is benefit for laser linewidth, but harmful for single-frequency operation.
增加激光谐振腔腔长是获得窄带宽的有效方法,但是使实现单频工作困难。
Objective: To evaluate the lesions size created by confocal dual-frequency high-intensity focused ultrasound (HIFU) and conventional single-frequency HIFU.
目的:比较双频共焦模式和单频模式高强度聚焦超声(HIFU)单次辐照毁损灶的大小。
The characteristics of distributed Bragg reflector (DBR) cavity are analyzed. A narrow-linewidth single-frequency ytterbium-doped fiber DBR laser is fabricated.
对分布布拉格反射(DBR)的透射特性进行了分析,制作了一个单频窄线宽掺镱光纤dbr激光器。
On the basis of signal phase matching principle and the method of least squares of parameter estimation, a method for single-frequency signal detection is presented in this paper.
根据信号相位匹配原理及其信号参数的最小二乘估计方法,提出了一种单频信号检测方法。
This paper introduces the development of fiber-optic Mach-Zehnder interferometer during measuring linewidth parameter of single-frequency lasers, and the experiment result has been given.
介绍了作者在测量单纵模激光器线宽参数的过程中,研制的马赫-曾德尔光纤干涉仪,并给出了实验结果。
Because complex vibrating targets are more complex than single-frequency targets, so it is more practical to research the feature extraction and identification of complex vibrating targets.
复合振动比单频振动更复杂,因此研究复合振动目标的特征提取与识别更具现实意义。
The most major advantage of the method lies in the fact that only the interference wave with single frequency can be suppressed, and the loss of useful signal is very limited.
本方法的最大优点是仅对单频干扰波进行有效的压制,对有效波的损失很小。
The working principle of single frequency operation of the monolithic ring laser was discussed by means of Jones matrix.
采用琼斯矩阵的方法讨论了单块激光器获得单频输出的工作原理。
Various approaches have been taken to eliminate spatial hole burning, in order to achieve single frequency operation, the most widely used being the unidirectional ring laser.
为了使激光器单频运转,应用了许多方法来消除空间烧孔。
Simulation shows the algorithm has good results in case of estimating single frequency, multiple frequencies and changing frequency under different SNR, and has robustness for noise inference.
仿真结果表明,该方法对于单频、多频和频率变化等情况均具有较好的估计结果,且对于噪声干扰具有较强的鲁棒性。
A new iteration for solution normal equation is applied to GPS rapid positioning by using several-epoch single frequency phase data.
将一种求解病态法方程的新方法——谱修整迭代法应用于单频GPS接收机快速静态定位。
When realizing kinetic GPS differenced positioning using single frequency GPS receiver, the decision of integer ambiguity of phase observation is rather difficult.
利用单频GPS接收机进行实时动态差分时,相位观测值整周模糊度的实时确定比较困难;
Its natural frequency falls into two parts when the loads exerted on generator rotor are asymmetrical. Dual resonance phenomenon appears based on the former single frequency vibration.
当发电机的外接负载不对称时,转子的固有频率一分为二,转子的振动在原来单频振动的基础上,产生了双重共振现象。
The correct resolution of GPS phase ambiguity is the key to implement high precision fast positioning by using single frequency receivers.
相位模糊度的成功解算是应用单频接收机进行高精度快速定位的关键。
The single frequency network (SFN) is the key technology in very high frequency (VHF) channel transmission of automatic hydrological forecast systems.
单频组网是水情自动测报系统中采用特高频信道传输的关键技术。
Very high efficiency and stable single frequency (SF) operation was obtained by using model 801D ring dye laser at normal pumping level.
本文报告了利用801D型环形染料激光器,在一般泵浦功率下获得了甚高效率的相当稳定的单频运转结果。
This paper studies the orbit determination of LEO satellites using GPS receivers of single frequency in condition of not depending on GPS differential reference stations.
研究在不依赖于GPS差分基准站的情况下,利用单频gps接收机对低轨卫星进行定轨的算法。
For a linear array CCD in a push-bloom imaging system, on condition that the input signal is a sine pattern with single frequency, the output signal spectrum is analysed.
假定输入为单频正弦光栅,对刷扫工作状态下线列CCD输出信号的频谱进行了分析。
However, code-carrier divergence can be a factor when using carrier smoothed code algorithms in single frequency receivers.
然而在单频接收机中,当使用载波平滑代码算法时,代码-载波差异可以作为一个因数。
Results are readily displayed and allow the user to quickly understand duplicated values or drill back into the full frequency distribution for single or multiple columns as Figure 11 shows.
评价结果立即显示出来,使用户可以快速理解重复的值,或者回过头查看单个或多个列的全部频率分布,如图11所示。
Duplication within a single source or across sources as found through either a frequency distribution or a record linkage indicates that a consolidation is needed for presentation of the data.
通过频率分布或记录链接发现的单个源内或跨多个源的重复表示,需要通过合并来提供数据。
Wireless frequencies are a scarce resource, so wireless providers use multiplexing to send multiple calls over a single frequency.
无线频率是稀有的资源,因此无线频率提供商使用多路复用技术通过一个频率发送多个呼叫。
But when the telescope is dallying at a specific point in the sky, there is no point in recording on a single frequency for an extended period of time.
当望远镜在空中某个特定方向上停了下来,在一个频率上记录一大段时间就没什么用处了。
The time domain peak value method is presented and identification of parameters from the time series with single frequency is carried out.
本文根据脉冲响应时间序列的峰值及其对应的时间序列计算频率、阻尼、幅值和相位。
The time domain peak value method is presented and identification of parameters from the time series with single frequency is carried out.
本文根据脉冲响应时间序列的峰值及其对应的时间序列计算频率、阻尼、幅值和相位。
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