本文研究了宽束大物面电磁聚焦系统弯曲轴电子光学象差理论。
Electron optical aberration theory for angularly wide and transversely large electron beams in electromagnetic focusing systems with curvilinear axes has been further developed.
本文研究了对宽束和细束阴极透镜普遍适用的电磁复合聚焦球面阴极透镜的象差理论。
In the present study, an aberration theory for both wide and narrow electron beams in a combined electromagnetic focusing spherical cathode lens system is discussed.
采用五栅网离子能量测量装置和法拉第筒测量了宽束冷阴极离子源的离子能量和离子束流密度。
The ion energy and the density of beam flux of cold cathode ion source were measured by pentagrid probing and Faraday cup.
本文简介了KLY - 1低能宽束离子源的结构，给出了物理设计的主要公式和调试实验的结果。
The structure of a low energy and broad beam ion source, KLY-1, is described. The main design formulae are given as well as results of adjustment and measurement.
在激光光束质量问题中，光束束宽的定义至关重要。
The definition of beam width is significant for the quality of laser beam.
恒定束宽加权矩阵的获得方法是设计此类声纳基阵的技术关键。
It is the key technology for design of the constant beamwidth array to calculate the weight matrix.
本文给出了一种宽带恒定束宽数字波束形成器的实现方案，计算机仿真结果表明了该方案的有效性。
Here a scheme to implement broad-band constant beamwidth digital beam-former has been presented. The results of computer simulation show the scheme is effective.
当初始功率等于临界功率时，可以得到一个稳定的空间孤子，而一般情形下，束宽则作周期的压缩或展宽变化。
When the initial power equals the critical power a stabile spatial soliton is obtained and generally the beam width takes periodical contraction or diffraction.
文章提出来用TMS320F 206及IMSA100为主要芯片，构成多波束宽恒定束宽波束形成器，可实现实时、高速、高性能的多波束宽带恒定束宽波束形成，并给出了具体设计方案。
In this paper, a multi-beam broadband constant beamwidth beam former system is proposed using TMS320F206 and IMSA100 as main chips to realize the beam forming procedure in real time with high speed.
通过适当的幅度加权、降低激励信号的频率、调整阵元的间距等措施可以改变辐射声束的方向和辐射主瓣的角宽。
The direction of acoustic beam and angular width of main lobe can be changed by properly amplitude-weighting, decreasing the frequency of impulsive signal and adjusting the interval of array elements.
其它频率点上满足宽带恒定束宽要求的复权向量可以根据参考频率上的复数权值通过折算求得。
The complex weighting vectors at other frequencies satisfying the request of wideband constant beamwidth can be deduced from the one at the reference frequency.
对平顶高斯光束有关的一些重要概念，例如场分布和束宽等作了物理分析。
Some important concepts relating to the flattened Gaussian beams (FGBs), such as the field distribution and beam width, are analyzed physically.
完成了恒定束宽波束形成以及宽带源方位估计算法在DSP硬件系统中的实现。
The constant beam-width beam-former and wideband DOA estimation algorithms are realized in the DSP hardware systems.
恒定束宽波束域噪声是空间相关的非白噪声，这给宽带波束域高分辨方位估计方法的性能带来影响。
The noise in constant beam-width beam space is spatial correlative and color (non white), which affects the performance of wide-band-beam-space high resolution DOA (Direction of Arrival) estimator.
根据透镜对高斯激光束束宽的变换原理，提出了一种由变换前后发散角的变化确定透镜焦距的新方法。
A new method of measuring the lens focus is presented, which is based onthe principle of transformation of the Gauss laser beam.
采用积分变换技巧，推导出了环状光束通过湍流大气传输二阶矩束宽的解析表达式，并研究了湍流对环状光束扩展的影响。
The closed-form expression for the mean squared beam width of annular beams propagating through atmospheric turbulence is derived by using the integral transform technique.
使用复解析信号法研究了束宽与频率无关的超短脉冲贝塞尔·高斯光束在自由空间的传输特性。
Using a complex analytical signal representation, the free-space propagation properties of ultrashort pulsed Bessel-Gauss beams whose waist width is independent of frequency are studied.
利用计算机仿真和水池实验，深入分析了阵列模型失配对基于理想阵列模型设计的时域恒定束宽波束形成器性能的影响。
The effects of array mismatch errors on time domain WCBB based on ideal array model is thoroughly studied via computer simulations and water tank experiments.
该系统具有较好的消色差特性和聚焦特性，能量范围宽，特别适用于能散较大的带电粒子束流的传输。
The configuration keeps the excellent achromatic and focusing properties even for charged particle beam with very large energy spread.
在直径为6毫米的电子枪窗口后测得电子束峰值电流为7安，脉冲的半峰宽为6～8毫微秒，最大电子能量约为107千电子伏特。
Thee-beam peak current is 7A measured behind a 6mm diameter e-beam window. The pulse duration (FWHM) is 6-8ns and the maximum electron energy is about 107keV.
导出模式变换公式，分析了光束功率、光束初始的束宽半径和波前曲率半径的倒数对模式变换的影响。
The formulas of mode conversion are derived and effects of optical beam power, initial beam width radius and inverse of the radius of curvature of the wave front on the mode conversion are analysed.
求解了两光束无量纲束宽参量的耦合微分方程。
The coupled differential equations of the dimensionless beam width parameters of two optical beams are solved.
根据曲轴宽电子束聚焦理论，研究了一种用曲轴轨迹确定轴外点扩散分布的方法。
Based on the theory of wide electron beam focusing with curved axis, a method for determining the off-axis point spread distribution is studied using the trajectories with curved axis.
本文给出了基于恒定束宽波束输出的宽带相干源高分辨测向方法。
A high resolution DOA estimation method for coherent wide band sources based on outputs of constant beamwidth beams is proposed in this paper.
实验圆阵的实测阵列流形和理论阵列流形存在较大误差，这表明该文采用的可适用于任意结构阵列的宽带恒定束宽波束形成方法具有良好的宽容性。
The big difference between measured and theoretic manifold of the circular array showed that the broadband constant beamwidth beamforming method used in the paper has good tolerance.
她束了一条宽腰带。
本文结合工程的实际需求，对宽带恒定束宽波束形成的算法进行研究，并详细讨论了宽带数字阵列雷达中数字波束形成系统的工程实现问题。
In this paper, the algorithm of wideband constant beamwidth digital beamforming is studied, and the implementation of digital beamforming system in wideband digital array radar is discussed.
本文结合工程的实际需求，对宽带恒定束宽波束形成的算法进行研究，并详细讨论了宽带数字阵列雷达中数字波束形成系统的工程实现问题。
In this paper, the algorithm of wideband constant beamwidth digital beamforming is studied, and the implementation of digital beamforming system in wideband digital array radar is discussed.
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