| 1. | Experimental research on the influence of bonds in bond strength of concrete filled steel tubes 剪力环对钢管混凝土粘结强度影响的试验 |
| 2. | ( 2 ) introduce the graph theory of ldpc codes ; analyse the impact of cycle ; and research how to construct the parity check matrix ( 2 )介绍了ldpc码图模型理论;分析环对ldpc码性能的影响;并讨论了如何构造ldpc码校验矩阵。 |
| 3. | The effects of tripping annulus on a pipe flow and a channel flow were compared and analysed . it indicated that the effect on both flow are mostly identical 全面比较了入口挡环对管流和渠道流中湍流发展过程的影响,发现两者在多方面均存在着一致性。 |
| 4. | In addition , this paper analyzes the noise - filtering quality of phase locked loop , a / d transformation theory , and the combination and quality of the decimation filter 并对锁相环对噪声的过滤性能、 a / d转换原理和抽取滤波的组成及性能进行了深入地分析。 |
| 5. | Vibration isolating grommets are standard for every hard drive and a complex airflow cooling design to maximise airflow and cooling effects with minimum noise 振动绝缘索环对每种硬盘驱动器和复杂的气流冷却设计最大限度的气流和最小限度噪音的冷却效果中的一种标准。 |
| 6. | In accordance with different tripping annulus at the inlet , the numerical simulations of the reattachment length were performed with the " variable c ? " model . in the range of experimental reynolds number , the tripping effect on the reattachment length was developed in the figure . the dependence of the reattachment length on reynolds number was also analysed in the different status of pipe flow 利用变模型常数的-模型针对不同尺寸的挡环进行了再附着长度的模拟计算,在实验雷诺数范围内,建立了入口处挡环对再附着长度影响的变化曲线,分析了再附着长度在不同的管流流动状态下相对于雷诺数的变化情况。 |
| 7. | Through the study with non - linearity friction on simulation model of the stabilized system , in theory the analysis of the angular acceleration loop ' s contribution is given . in testing platform , the measure devices of angular acceleration and velocity constitute the double loops , they are angular acceleration loop and angular velocity loop . and this experiment gives the proof that the angular acceleration loop could eliminate the errors which are taken by the motor ' s reversing 最后,本文在理论上分析角加速度环对隔离度的贡献;通过对含有非线性摩擦力矩的平台稳定系统仿真模型的研究,从理论上验证角加速度环具有克服摩擦力矩的能力;在实验转台上加入由线加速度计构成的角加速度测量装置,并与测速机构成角加速度环、角速度环双环结构,验证了角加速度环对电机换向误差的消除作用。 |
| 8. | The paper , for the harmonics detection method used in power system , presents an sampling method based on frequency multiplication phase - locked . through phase - locked loop to track the power wave , which not only reduces the affect of spectrum leakage to the harmonics analysis , but also realizes quick . accurate and , real - time measurement 本论文主要针对电力系统中采用的谐波测量方法而提出的一种基于锁相倍频采集方法,通过锁相环对电力波形进行实时跟踪,既解决了频谱泄漏对谐波测量精度的影响,又实现了快速的,准确的,实时性的测量。 |
| 9. | Finally , the principle of phase - locked - loop for speed control is discussed . the control methods of torque and magnetic levitation force are studied experimentally on a prototype bearingless motor . based on the analysis of shortcomings of the analog control system , a digital control system is proposed 分析了采用锁相环对电机转速进行闭环控制的原理;设计了磁悬浮力的模拟控制器并对磁悬浮血泵电机进行了实验研究;针对模拟控制系统存在的缺点,本文设计了一种数字控制系统。 |