| 1. | The nonlinear wave shape degenerates to a sinusoidal wave . 非线性波形衰减成正弦波。 |
| 2. | Alignment fields consist of very low distortion sinusoidal waves 排队过程包含很低的扭曲的正弦波。 |
| 3. | Sinusoidal frequency estimation is the procedure which can estimate the frequency of sinusoidal waves in additive white gaussian noise through transform and calculation for signal ' s samples 正弦信号频率估计是指通过对信号采样值的计算和变换,估计出淹没于噪声中的信号的频率的过程。 |
| 4. | In this paper , when the global optimal theory and monte - carlo technique are applied , i transformed the maximum likelihood frequency estimation problem of sinusoidal waves from multidimensional grid search to a closed expression . this makes it easy to estimate the frequency through optimal calculation 本文即是从解决以上的问题入手,通过结合运用全局优化理论和monte - carlo技术,使多个正弦波的最大似然频率估计问题由多维格形搜索变成了一个闭合的表达式,从而可以通过优化计算来进行频率估计。 |
| 5. | The satss is an antenna pointing servo system with ultra - low speed and high accuracy , driven by a rare earth permanent magnet ( repm ) brushless dc torque motor . to reduce torque ripple , the repm brushless dc torque motor has a slotless armature , and uses sinusoidal wave driven technology 卫星天线跟踪伺服系统为超低速高精度天线指向控制系统,该系统使用稀土永磁式无刷直流力矩电机作为天线的驱动机构,为降低转矩脉动,电机采用无槽电枢结构设计,并使用正弦波驱动方式。 |
| 6. | With the conduction property of the triggered thyristor and the intellective numerical controlled frequency reduction of the triggering pulse by mpu , we can divide alternating current into several complete sinusoidal waves to supply some loads . it can be made as a controller or a pcb ware , which is suitable for the air conditioning , machine tool and various instruments that require electric power or rotate speed adjustment 利用晶闸管的触发导通特性,用单片机对触发信号进行智能数字降频,可在交流电中切分出部分完整的正弦波形供负载使用,可以单独做成一台控制仪器或者作为一个控制电路板用于需要电功率和转速调节的空调、机床以及各类仪器设备中。 |
| 7. | The inverted pwm changing electric current the technique is applied in the prototype model . the prototype model was tested and operated on spot , power factor could reach beyond 0 . 95 , the effect of following modulating voltage was better , the curve of factor of modulated voltage of exchanging systems changed following load rate was linear , the output of wave form was a flat and steady sinusoidal wave 样机采用了逆变式pwm变流技术,对其进行了现场测试与试运行,测试结果是电网侧的功率因数可达0 . 95以上,跟踪调压效果良好,变流系统输出调压系数( k )随负载率( p )的变化曲线基本满足直线关系,输出波形呈平滑稳定的正弦波。 |
| 8. | In my paper , i put emphasis on mle frequency estimation approach and it ' s implementation procedure . over and above , i put forth a new solution for frequency realization algorithm after mending it . i also give a new way to resolve the estimation problem of amount of sinusoidal waves that is an unresolved problem nowadays 本文着重的讨论了在进行最大似然频率估计的计算方法和实现过程,并且对其中领率实现的算法进行了修正,提出了新的解决方案;对于目前尚未解决的正弦波数目的估计问题,给出了一个解决的方法。 |
| 9. | Tal series high exchange filter installation , 6 - 35kv exchange mainly for electricity grid , as scheduled filter out the high harmonics currents , reducing grid voltage sinusoidal wave distortions rate , while providing compatibility for mouttalos no credit , improve the power factor lines , lowering the depletion , save energy , clean grid 的电力交流电网中,作为滤除预定的高次谐波电流,降低电网电压正弦波畸变率,同时为基波提供容性无功提高线路的功率因数达到降低损耗节约电能净化电网的目的。 |