| 1. | Force - balance acceleration transducer 力平衡式加速度传感器 |
| 2. | Piezoresistive acceleration transducer 压阻式加速度传感器 |
| 3. | Piezoelectric acceleration transducer 压电式加速度传感器 |
| 4. | Strain gauge acceleration transducer 应变式加速度传感器 |
| 5. | Linear acceleration transducer sensor 线加速度传感器 |
| 6. | Standard acceleration transducer 标准加速度传感器 |
| 7. | It is found from the monitoring data that the response of the acceleration transducer is linearly relative to the compaction degree of gravel soils 在大量室内试验数据的基础上,研究了振动压实过程中加速度电信号响应随碎石土密实度的变化规律,发现二者具有显著的线性相关性。 |
| 8. | 3 in experiment the common electrical - resistance strain gages is used as receiver to replace the pzt or velocity and acceleration transducer which is frequently used in pipeline not 3 、实验采用动态电阻应变电测法,采用普通的电阻应变片作为接收传感器,代替了通常用于管道检测的压电探头或桩基完整性检测的反射波法中使用的速度传感器或加速度传感器。 |
| 9. | It is well - known that traditional acceleration transducers method has some default when measuring structural intensity . so , pvdf film , a new material of piezoelectrical macromolecule is brought up . according to its integral characteristic , particular shaped pvdf sensors are designed and the finite difference error in the result can be avoided by using them 针对以往主动控制研究中用加速度传感器测量结构声强时存在有限差分误差和附加振动这些不足,本文提出了一种新型的误差传感器? pvdf传感器,用它测量结构声强时不会产生有限差分误差和附加振动。 |
| 10. | The fixity factor is identified by bp neural network the fem correction method of truss structure based neural network technique is developed in this paper , and transient dynamic analysis is used on the fem . thirdly , the optimizational layout for acceleration transducer and the actual measured method for the modal parameter of the truss structure are also discussed in this paper and the accuracy of the fem correction is verified by the finite element transient dynamic temporal analysis , according to the research of this paper , bp neural net can be well adapted to structural fem correction 建立了以固结系数表示的三维空间有限元模型,根据单元刚度矩阵中的固结系数的变化,建立固结系数与结构动力特性的关系,应用bp神经网络,进行结构节点固结系数的识别;研究了用于振动测试的加速度传感器的优化配置与网架结构模态参数的实侧方法,通过在风荷载作用下有限元瞬态动力学时程分析检验了有限元模型修正的精确性。 |