The fixed switching frequency current tracing control is adopted in high frequency bridge, so the control circuit is simple.
高频桥采用恒频电流跟踪控制，控制电路简单。
The frequency, intensity and duration of the jolts depend upon what the IceController is trying to de-ice-a windshield, airplane wing or bridge cable.
而这种震动的频率、强度和时间都取决与‘冰管员’的破冰对象——风挡玻璃、飞机机翼或是桥梁线缆。
In this paper, a resistance - to - frequency converter consisting of a Wheatstone bridge followed by an integrator and a comparator is described.
文中给出了一个由惠斯登电桥、积分器、过零检测器等组成的电阻-频率转换器。
The working processes of the frequency-tracking phase-shift PWM controlled full bridge power supply load series resonant type DBD ozone generation power system are analyzed.
系统的分析了频率跟踪移相PWM控制全桥供电的串联谐振负载式DBD型臭氧发生器电源系统的工作过程。
The viscoelastic damper reduces the dynamic amplitude of bridge structure through change the frequency and damper ratio.
粘弹性阻尼器通过改变桥梁结构的频率和阻尼比来达到减振目的。
Based on element local frequency change ratio method and element modal strain energy ratio method, numerical study is carried on to detect the damage of the bridge.
利用单元局部频率变化率法和单元模态应变能比法，对连续梁桥进行了损伤诊断的数值模拟研究。
The natural frequency and vibration mode are the principal modal parameters representing structure dynamic behavior as well as the important basis for evaluating bridge dynamic performance.
固有频率和振型是反映结构动力特性的主要模态参数，是评价桥梁动力性能的重要依据。
Operational modal analysis method of bridge was built based on frequency domain and spatial domain decomposition.
利用频域-空间域分解法，建立桥梁运行模态识别方法。
To avoid the most dangerous resonance, the first vertical frequency of the bridge should be greater than the ratio of the maximum vehicle speed to the vehicle length in design.
为避免桥梁共振，设计时应满足第一阶竖向自振频率大于车辆最大速度与车辆长度的比值。
The first frequency method of estimating the fatigue serviceability on small and medium span railway concrete bridge is discussed in this paper through three piece test beam under fatigue load.
通过三片模拟梁试验实测结果，探讨了基频法评估铁路桥梁疲劳使用性能的可行性。
The approximate formulas for the natural frequency of bridge piers with shallow foundation, pile foundation and sunk shaft foundation were derived by the Rayleigh Method.
采用瑞利法，导出了计算浅平基桥墩、桩基桥墩及沉井基础桥墩基频的近似公式。
A theoretical model is developed for calculating the frequency of the silicon bridge under radiation.
对光照射下硅桥谐振子的谐振频率变化进行了理论分析，并建立了相应的理论模型。
The evaluation of the fatigue endurance of the Nan Cha Bridge is given by rainflow cycle method in frequency domain.
在抖振分析的基础上，用雨流计数法的频域解评估了南汊桥的疲劳寿命。
The bridge was actuated by sinusoid sweeping frequency wave, and then the power spectral density differences between the undamaged and damaged bridge were analyzed.
利用正弦扫频波激振钢桥，分析其损伤前后加速度反应功率谱密度的变化。
The maximum frequency of RC-bridge oscillator is 16.67% of gain bandwidth product of amplifier analyzed based on a first-order single time constant lowpass function model.
运用一阶单时间常数低通函数模拟运算放大器的开环增益，对RC桥式振荡电路进行线性分析，得出最大振荡频率为运算放大器增益带宽积的16.67%。
The method of design high frequency transformer in half bridge inverter circuit is introduced exampled in detail, besides temperature rise and power loss are discussed.
依据一个半桥逆变电路的实例详细介绍了高频变压器设计的一般方法和步骤，并讨论变压器损耗和温升问题。
This system can be used to measure the quartz pendulous reed's pendulous frequency, pendulous amplitude, torsional frequency, torsional amplitude, flexible bridge rigid, and so on.
该系统可对石英摆片的摆幅、摆频、扭幅、扭频、台阶高度和挠性梁刚度等实现自动测量。
Also, the vibration frequency bands reinforcement than before, the whole bridge has increased stiffness, reinforced significantly, improved dynamic performance.
各阶自振频率较加固前要大，全桥刚度有所增加，加固后动力性能明显改善。
The static frequency converter used in pumped storage units generally adopts common thyristor as the rectifying inverting bridge.
用于抽水蓄能机组起动的静止变频器，其整流逆变桥通常采用普通晶闸管。
The experimental study of thruster plasma discharge parameters on the bridge of the impact of high-frequency radiation.
实验研究推力器放电参数对等离子体桥区高频辐射的影响。
This paper introduces application of monolithic computer AT90S1200 to single-phase bridge-type frequency converter PWM.
文章介绍了AT 90s1200单片机在单相桥式变频器系统中的硬件和软件设计。
Meanwhile, the modal analysis is used to test the detection arm's natural frequency and structural vibration modes, which provides a reference for the stability test of the bridge inspection vehicle.
同时对检测臂进行了模态分析，测出了其固有频率和结构振型，为检测车工作时的稳定性要求提供了参考。
During the monitoring process, frequency method was used in the measurement of cable force, and then the internal forces and alignment of the bridge was adjusted by controlling cable force.
在监测过程中，利用频率法测定索力，通过索力控制来调整桥梁的内力状态及线形。
Full bridge topological structure, the frequency of 22khz, IGBT switching power device were adopted for inverter.
逆变电路选用全桥式电路拓扑结构，逆变频率选为22khz，并以IGBT作为主电路的开关功率元件。
The results show that the effect of second-order perturbation results on the natural frequency of arch bridge can be ignored.
结果表明二阶摄动结果对拱桥固有频率的影响可以忽略；
The natural frequency of arch bridge is sensitive to the value of geometrical imperfection.
拱桥的固有频率对几何缺陷大小很敏感。
This paper describes a kind of full bridge unidirectional high frequency-link inverter.
研究了一种全桥单向高频链逆变器。
Cable force is important in cable-stayed bridge 's design and construction. The method of measuring frequency of its own to estimate cable force is widely used in bridge engineering.
索力是斜拉桥设计和施工的重要依据，根据测得的固有频率估算索力的频率法在桥梁工程中广泛应用。
Only wind action of deck is generally taken into account in frequency-domain and time-domain buffeting response analysis for long-span bridge.
大跨度桥梁频域及时域抖振分析中通常仅考虑主梁的脉动风效应。
Only wind action of deck is generally taken into account in frequency-domain and time-domain buffeting response analysis for long-span bridge.
大跨度桥梁频域及时域抖振分析中通常仅考虑主梁的脉动风效应。
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