Remember to reserve some space in the design phase so that you can prevent any layout problems after translation. 在设计阶段需要预留一些空间,以防翻译后出现布局问题。
The higher requirement for TWT is also being promoted by modern satellite communication, space communication, phase array radar and etc., from the aspect of smaller size, longer age, higher reliability and so on. 现代卫星通信、空间通信、相控阵雷达等技术的发展又从小型化、高寿命、高可靠性等方面对行波管提出了更高的要求。
By using the Euclidian distances of the phase point in phase space, both the phase density and the phase variance are calculated. 利用状态空间点间的欧氏距离来计算脑电状态空间的态密度和态方差。
When a light pulse is made to follow a closed loop path in real space, the phase of the returning beam might be slightly off from the phase of light starting off at that point. 当一个光脉冲在一个真实的空间里沿着一个封闭的圆环运动,当它回到出发点时,其相位与刚出发时的相位可能会有些微的不同。
Advance on the Analysis of Volatile Organic Compounds by Head Space Solid Phase Microextraction 固相微萃取技术在挥发性有机物分析中的应用研究进展
The characteristics of channel interaction and coupling angle were deduced by the transfer function coupling with space phase caused by servo rolling; 由滚转产生的舵机空间耦合传递函数得出控制力矩偏转角;
The dust is likely formed as the swollen atmosphere of the supergiant sheds material into space, a final phase in the evolution of a massive star. 该星周尘可能是由红超巨星抛出物质所构成的大气层膨胀所致,这是大质量恒星演化的最后阶段。
Multi-level cascade of space voltage vector phase LQ-SVPWM pulse width modulation technology, the motor side of the non-harmonic, fully meet the power quality specifications; 基于多电平级联的空间电压矢量的移相LQ-SVPWM脉宽调制技术,使电机侧无谐波,完全满足电源质量规范;
The background was worked out based on the margin of the Moire deflectograms, and so was the space phase distribution of the background. 根据莫尔条纹边缘提取背景,进一步获得背景相位分布。
The estimation accuracy of the orbit is demonstrated to meet the requirement of the deep space cruise phase. 结果表明,两种自主导航方法的轨道估计精度满足深空巡航段的要求。
Moire interference spectra were processed by phase unwrapping technique with Fourier transform, so the space phase distribution of Moire deflectograms was extracted. 采用傅里叶变换对莫尔条纹展开技术处理,获得了莫尔条纹的相位分布。
A method of head space solid phase microextraction ( HS-SPME) coupled with gas chromatography-mass spectrometry for the determination of tetramethyllead and tetraethyllead in water sample was developed. The conditions of SPME extraction and GC-MS determination were discussed. 建立了顶空固相微萃取(HSSPME)与气相色谱质谱(GC/MS)联用测定水样中四甲基铅和四乙基铅的方法,探讨了SPME萃取烷基铅的实验条件,并对GC/MS条件进行了优化。
Optical fibre grating utilize photosensitive characteristic to form the space phase grating in the core, it can change the transmission route of the light wave in the light-transmitting fibre. 光纤光栅是利用光纤材料的光敏性,在纤芯内形成空间相位光栅,它可以改变光波在光导纤维中的传输路径。
The space characteristic of phase information of image signal is analysed, and using face image as an example, the application of phase information in image feature location is studied. 分析了图像信号相位信息的空间特性,以人脸图像为例,研究了相位信息在图像特征定位中的应用。
By studying a time series of hazard, we can employ the technology of embedding space to reconstruct the phase space and the attractor that reveals the chaotic properties and then we can forecast hazard. 采用嵌入空间的技术可从时间序列中重构出具有系统特征的相平面和吸引子,由此可以预测危险。
Six-phase constant-current induction motor is a special motor designed as a load for current source inverter. It has a winding of 30 ° space phase band. This kind of motor can alleviate the harmonic problems caused by power supply of constant-current source. 六相恒流电机是一种作为二重化电流源型逆变器负载的特殊电机,采用了空间30°相带绕组,能较好的缓解由于恒流源供电而产生的谐波问题。
They are diagenesis and evolutionary phase, reservoir space developing phase, oil-forming and assembling phase and forming oil and gas supplying phase. 即成岩演化阶段、储集空间发育阶段,成油组合阶段、油气补给条件形成阶段;
In this paper the problem of tracking target with space surveillance phase array radar is studied. 主要研究空间监视相控阵雷达目标跟踪问题。
The relationship between the five types of oscillator noises is introduced and the fundamental theory of the state space model for phase time signal is described. 对振荡器的五种噪声之间的关系作了介绍,并对相位时间信号的状态空间模型的基本理论作了描述。
Two kinds of self-trapping are discussed through phase space analysis in the mean-field approximation: 1) The number of atoms oscillates near an equilibrium point in the phase space, while relative phase increases monotonously with time ( running-phase); 在平均场近似下通过相平面(phasespace)分析的方法研究了两种自俘获的机理:1)势阱中的粒子数在平衡位置附近振动,而相对相位随时间单调变化(running-phase);
Real space algorithm of phase grating preparation in high-resolution electron microscopy image for periodic and non-periodic structure 周期结构与非周期结构像模拟计算中相光栅准备的实空间算法
This method illuminates the test object with two orthogonal fringe sequences, respectively, from at least two different viewpoints, then reconstructs Cartesian coordinates of the object in three-dimensional space from phase map with help of fringe projection and phase reconstruction techniques. 该方法至少在两个视点分别向被测物体投射出一组正交条纹图,利用条纹投影和相位重建技术,将相位图映射为物体的三维空间坐标。
During the process of double-period bifurcation, the system exhibits the self-similar structure and invariance which is under scale variety in both parameter space and phase space. 在倍周期分岔过程中,系统在参数空间和相空间中都表现出自相似性和尺度变换下的不变性。
Mathematical mode of space variant phase error is given in this paper, and some conclusions are acquired on the basis of theoretical deduction, also, results of simulation support the above conclusions. 文中给出了空变相差的数学模型,通过理论推导得到了相应的结论,仿真计算则证实了所得的结论。
For the diverging spherical wave, the phase anomaly zone exists in the source space, the phase variations is different in the different parts of the zone, and the point source is a special point of the zone. 发散球面波的相奇异区位于入射空间,在相奇异区域的不同部分相奇异规律不同,源点是相奇异区里的一个特殊点。
It is found that the canonical momentum is directly proportional to the gradient of space phase. 发现超导电子的正则动量和空间相位的梯度有正比例的关系;
Basic solution for dynamic foundation on half space of two phase saturated medium 饱和两相介质动力基础半空间理论地表波场基本解
The principle is to control motor stator current space vector phase by rotor position information. 矢量控制方法作为电机控制系统最常见的控制方法,其原理是利用转子磁场位置对定子电流空间矢量的相位进行控制。
When it comes to the non-commutative space and non-commutative phase space, Bopp shift is employed in both cases to solve the Wigner function. 在非对易空间、非对易相空间中求解Wigner函数的过程中,均利用了Bopp变换。
I figure out embedding dimension and delay time by the CC method; I reconstructed the original one-dimensional time series to phase space reconstruction with Takens principle, and then use wolf method to calculate Lyapunov index to determine the phase space for the chaotic phase space. 最后,通过C-C方法可以解出该时间序列的嵌入维数m和延迟时间τ;根据Takens原理对原一维时间序列重构相空间,继而使用wolf方法计算Lyapunov指数判断该相空间为混沌相空间。