本文应用几何绕射理论(GTD),计算了圆锥底上一元和二元垂直单振子滚动面(赤道面)的辐射图。
The geometrical theory of diffraction (GTD) has been used to calculate the Roll-Plane (Equatorial-Plane) radiation of the one and two vertical monopole elements on the base of the cone.
等效重量是实际重量和桥梁外形的函数,并在第4。7。4条规定的单振型分析法和多振型分析法中自动地包括进去。
The equivalent weight is a function of the actual weight and bridge configuration and is automatically included in both the single-mode and multimode methods of analysis specified in article4.7.4.
对传统筛分设备(偏心振动筛)与单轴惯性振网筛性能进行对比;
A comparison is made between new singleaxis inertia vibrating screen and traditional eccentric vibrating screen.
研究表明仅有竖弯自由度或扭转自由度的平板不可能发生单自由度颤振。
Results showed that flutter instabilities would not occur for the ITP with only one degree-of-freedom.
由于只需进行单参数的搜索过程且计算效率较高,用该方法分析实际大跨度桥梁颤振问题是合适的。
The direct flutter analysis only requires a single parameter searching process and is efficient and fits to the flutter problems of actual long span Bridges.
该方法是一种单参数搜索方法,克服了以往直接颤振分析方法的一些缺陷。
The proposed method overcomes the defects of the previous direct flutter analysis and it is a single parameter searching method.
为了使单管塔的性能能够充分发挥,使其设计施工技术更加成熟,本文对单管塔的静力非线性和风振控制进行了分析和研究。
In order to utilize this tower to the best, make its technology of design and manufacture more proficient, the author studies its static nonlinear analysis and control of wind-induced vibration.
并且,以1000次循环振次为例,给出一定静荷载作用下,软土地基上单桶基础可以承受的最大循环荷载的范围。
And the range of cyclic loads that single bucket foundation can be subjected has been determined under certain static loads for 1000 number of cycles to failure.
算例表明,单自由度非线性振子的分叉条件能够预示非线性颤振系统的运动规律。
The example shows that the bifurcation condition of single degree of freedom nonlinear oscillator can indicates the motional behavior of nonlinear flutter system.
将单链DNA作为探针点在电极表面, 测量晶振频率的改变量,并设计出后续处理电路。
With the ssDNA as probe on the electrode surface, we can detect the frequency change and show it on the computer display.
针对调频弹簧质量阻尼器(TSD)对单管圆锥钢塔风振控制的机理作了深入研究。
The mechanism of wind vibration control of single tube cone steel towers using tuned spring mass damper (called TSD) has been studied.
从分析结果可以看出,二维计算才能真实地反映出水闸单墩的模态特性,并且水闸扭振的影响是不可忽略的。
The calculated result indicates that the two dimensional analysis can really reflect the modal characteristics of the sluice, and the effect of the twist vibration of the buttress cannot be neglected.
本文叙述冰力振子模型的建立原则及其特性,并给出一单自由度系统的数值解。
The principles and performance of the ice force oscillator model are presented in the paper, and its numerical solutions for a single degree of freedom system are demonstrated.
本文介绍了单根多模先纤探头的干涉测振实验装置,测量原理以及实探结果。
The theory of vibration measurement by interference with a multimode single optic fiber probe and an experimental arrangement, as well as the experimental results are presented.
风洞吹风中测出了单稳定极限环、双稳定极限环颤振的情况。
Both single and double stable limit cycle flutter states are found.
同时观察到,用单自由度粘滞阻尼体系表示感传器的反应,对于接近于和高于自振频率的频率是不适当的。
It is also observed that the representation of the transducer response by means of a single degree of freedom viscously damped system for frequencies near and higher than I...
不对称静子叶片分布非谐设计下,转子所受到的激振力由静子叶片均布情况下的单频率高幅值激振力转变为多频率成分低幅值激振力。
To reduce the dynamic stress of rotor blades under the wake of front stator vane, an asymmetry stator mistuned design was conducted.
根据附件的等效单自由度模型设计吸振器参数,以获得最优的减振效果。
Parameters of the absorber are designed according to the equivalent single degree of freedom model of the appendage.
单矢量传感器具有可电子旋转的偶极子指向性,声压、振速信息联合矢量信号处理在噪声背景下有良好的探测能力,矢量(传感器)阵能取得更好的能力。
Acoustic vector sensor with the electronic rotating directivity of dipole can effectively detect signal in the background of noises. More information can certainly be obtained by vector sensor array.
本文应用汽车动力学分析软件ADAMS建立了汽车前悬架—转向系统的仿真模型,并采用单轮激振方式对模型的动力学特性进行了仿真分析。
The ADAMS software is used to build the front suspension and steering system model, and simulation analysis on the model is done by means of wheel flouncing.
同时,分析了单级振子YIG滤波器中耦合环参数对通带响应的影响。
Also, the influence of the parameters of the coupling loops on the passband response is analyzed for a single-stage YIG resonance filter.
本文给出了一维单谷映象周期轨道的符号动力学的符号排序规则,并对强迫布鲁塞尔振子模型作了讨论。
Gives the rule of signs arrange of signs dynamics of periodic orbital on one dimension single valley image, and discusses the model of the forced Brussels vibrator.
王建民 投出本季最多的 单场五次三振,都是在四局两出局之前 投出的。
Wang had reached his season high in strikeouts — five — before the second out of the fourth inning.
考虑到单管塔结构内部空间狭小和制作成本低等要求,本文尝试在单管塔上设置钢球减振器以达到控制结构风振的作用。
Considering small space in the single-pole-tower and its cheapness, the author tries to use the ball vibration absorber to control the wind-induce vibration of the single-pole-tower.
对某型单轴涡喷发动机节流过程中的喘振故障进行了试验研究。
Experiments were performed to investigate surge problem of a single shaft axial flow turbojet engine during throttling.
还提出了采用单自由度线性无阻尼自由振荡系统作为测定传感器谐波失真度的一个高纯度正弦波激振源。
It is also recommended in this paper that a linear nondamping free vibration system of a single freedom degree can provide a stimulant source of sine wave with high purti…
同时,分析了单级振子YIG滤波器中耦合环参数对通带响应的影响。
Also, the influence of the parameters of the coupling loops on the passband response is analyzed for a singles...
对单自由度结构的随机风振响应问题进行了研究。
Study on the random vibration isolation of generalized Ruzicka system;
对单自由度结构的随机风振响应问题进行了研究。
Study on the random vibration isolation of generalized Ruzicka system;
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