Based on the theory of the multi-beam amplitude comparison DF of the new-style radar detector, the DF blind zone of multi-beam radar detector on inner site is analyzed in this paper.
从新型雷达侦察机多波束比幅测向原理出发，对新型雷达多波束侦察机多波束比幅测向内场仿真试验引起测向盲区问题进行了分析，为正确评估电子战侦察设备整体性能提供帮助。
For fixed damping and fixed excited frequency the motion of the beam under small amplitude of force is periodic, but becomes chaotic through period doubling bifurcation with increase of the force.
对固定的参数激励频率和阻尼，当参数激励幅值较小时梁的运动是周期的，但大幅值激励会使运动通过倍周期分岔变为混沌。
In the paper. the interference intensity of signal laser beam and the reference one is carried out in detail on a heterodyne laser probe with amplitude modulated laser source.
本文详细推导了用振幅调制激光为光源外差激光探针的信号光与参考光干涉光强表达式。
The paper discusses how to regulate the amplitude of bending moment within beam end for frame structure, and presents revisal Suggestions for previous designs.
对框架结构梁端弯矩应如何调幅问题做一探讨，对以往设计提出修正性的建议。
And for the frame beam end bending moment amplitude modulation factor seems embodiment its value in practice projects.
框架梁端的弯矩调幅系数的合理取值的价值在实际工程中似乎更能体现出来。
A method of determining the highness of an ideal object by beam scanning in the vertical plane and amplitude comparison.
提出了一种采用波束扫描与多波束目标幅度比较相结合实现目标高度测定的方法。
And the techniques of double-slit filter and "cross-filter" can be used to extract the near field wavefront of the laser beam with phase modulation and amplitude fluctuation.
而且，利用双狭缝滤波和“交叉滤波”技术能够提取出具有位相调制或者是具有振幅起伏的近场波面。
There exists on optimal value of magnetic focusing field and beam voltage, which can minimize the ion noise amplitude.
束电流与束电压确定，存在最佳的磁场使离子噪声幅度最小。
In addition, the amplitude distribution asymmetry is bigger if the frequency is higher when the length of beam is the same.
同一长度的振动梁，工作频率越高，振幅不均匀度越大。
And to write programs using MATLAB to calculate its amplitude and phase weighted ideal pattern. 3, the antenna beam pointing to the formation of five different.
并且用MATLAB编写程序，计算了其幅度相位加权后的理想方向图。3、天线五个不同指向波束的形成。
This paper analyzes the effect of amplitude phase errors on sidelobe level and beam direction in digital beam forming system.
针对旁瓣电平、波束指向等指标分析了幅相误差对数字波束形成系统的影响。
It is shown that the positions of phase saddles and vortices depend on the off-axis parameter, beam width, phase and relative amplitude of beams.
研究表明干涉场中的相位鞍点以及涡旋点的位置与光束的离轴参数、束腰宽度、相位以及相对振幅有关。
It is shown that sum-difference amplitude-comparison monopulse is in fact an effective search method for a single target with azimuth in the vicinity of the peak the sum beam.
研究表明，传统单脉冲和差比幅法实际上是一种搜索方位在和波束最大点附近的单目标的有效方法。
The bending of simple supported beam make the resonance peak wavelength of each mode of TFBG shift and resonance peak amplitude unchangeableness.
简支梁的弯曲只让TF BG各模式的谐振峰波长发生了漂移，而各模式的谐振峰的幅度没有改变。
The influence of the size and the modulation amplitude of the defects on the intensity distribution and angular spectrum of the beam is also studied.
详细研究了振幅调制型“缺陷”的尺寸大小及调制幅度对受调制光束的光强分布和角谱影响。
Under the condition of small amplitude, the operating equations of the wiggler are given, and then, the trajectories of the beam electrons and the angular spectrum of spontaneous emission are derived.
在小振幅条件下，给出了摆动器的工作方程，导出了束电子的运动轨迹和自发辐射谱分布。
The rotation angle approximately periodically changes the sub-beam signal amplitude and should be strictly controlled in the assembly to maximize the tracking signal amplitude.
计算结果表明：旋转误差使三光束法循迹信号的幅值近似呈周期性变化，它是在生产过程中需要严格控制的参数以保证循迹信号的幅值最大化；
Amplitude based methods or phase based methods are usually used in multi-beam bathymetry system and chosen according to some rule, which may bring about unpredictable errors if wrong choose occurs.
多波束测深系统中经常使用幅度法或相位法来进行海底检测，并且按某种准则来选择，但如果选择错误，可能会带来不可预测的误差。
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.
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。
It can detect the phase and amplitude informations of a light beam simultaneously.
它可以同时探测出一束光的振幅和相位信息。
It is usually expressed by the decibels which is the straight beam probe tested the second time subtracting from the first bottom surface echo amplitude.
通常用纵波直探头测试的第几次与第一次底面回波幅度所差的分贝数表示。
When a thin plate is heated by a beam of modulated continuous laser, a temperature wave generates and propagates along the plate with amplitude decay and phase delay.
通过连续激光调制对薄板试样进行局部周期加热，采用红外扫描测温技术记录动态温度分布。
With the increase of the magnetic field on the cathode surface, wave amplitude and equilibrium radius of the electron beam increase;
随着阴极表面磁场的增大，电子注注腰半径增大，电子注波动增大；
According to the results of model tests in a regular beam wave, the motion stability, the time history of the motion and the amplitude-frequency response of the parametric roll are investigated.
相据在规则横浪中的船模试验结果，研究了参激横摇运动的稳定性、时间经历和幅频响应，还讨论了横摇阻尼、初稳心高度和波浪等因素对参激横摇运动的影响。
The invention relates to a bolting and welding combined double-amplitude pulling plate cable beam anchoring structure of a cable-stayed bridge.
本发明涉及一种斜拉桥栓焊组合式双幅拉板索梁锚固结构。
The invention relates to a bolting and welding combined double-amplitude pulling plate cable beam anchoring structure of a cable-stayed bridge.
本发明涉及一种斜拉桥栓焊组合式双幅拉板索梁锚固结构。
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