| 1. | On the basis of analysis of normal drive circuits , special drive circuit adaptive to various driving frequencies is designed 本文在分析常见ccd驱动电路的基础上,设计出适用于不同驱动频率的驱动电路。 |
| 2. | By comparing the flow fields of microjet under different working parameters , the law of jet strength changing with driving frequency was obtained 通过对作动器不同工作参数下流场的对比分析,得到了驱动频率对微射流形态的影响。 |
| 3. | Single choke be used , and 1 diode and 2 transistors are necessary . dj3009 support 2 pins - - op1 , op2 to select el drive frequency . the switching frequency is decided by osci frequency 5v ,使用单一抗流器、 1个二极体和2个电晶体是必要的, dj3009以op1 、 op2来选择el驱动频率。 |
| 4. | 2 . a systematic test has been carried out to observe how the model actuating frequencies and amplitudes affect the flutter derivatives , and the effect is found to be quite minor 通过系列试验考查了模型驱动频率和振幅对颤振导数的影响,验证了驱动频率和振幅对颤振导数影响很小。 |
| 5. | Through the controls of geometric dimension of micro - nozzle and driving frequency to obtain the volume of droplets in the grade of pico to femto litre , which is applicable to make high density micro - array 通过微喷嘴几何尺寸控制和驱动频率控制获得从飞升到皮升级样点体积,可以用于制作高密度的微阵列。 |
| 6. | The sandwiched films with the structure of 2 . 5um / 2um / 2um and 2u m / 2um / 2 u m have been prepared by covered - module method . gmi effect will be studied in deposited and annealed samples with variation of magnetic field , driving frequency and current 用掩膜法制备了每层厚度为2 m和2 . 6 m的三明治膜,将研究退火前后样品的gmi效应,包括随磁场、驱动频率、交流幅值的变化。 |
| 7. | Second , numerical simulation and qualitative analysis has been done for the synthetic jet flow field in different cases ( different phase , amplitude and frequency ) , and gained many conclusions which are helpful for designing the synthetic jet actuator 二、对不同驱动频率,振动膜速度幅值以及激励器的结构对合成射流的影响分别进行数值计算和定性分析,得到了大量有助于合成射流激励器设计的结论。 |
| 8. | The radius of the micropump is 3mm , the radius of the films of micropump is 2mm , the thickness of the films of the micropump is 5 m , the thickness of the pzt chip is 10 m , the tall of the micropump is 1000 m , the drive voltage is 50v , the drive frequency of the micropump is 4000hz 泵体半径为3mm ,泵膜半径为2mm ,泵膜厚度为5 m , pzt片厚度为10 m ,泵体高度为1000 m ,方波驱动电压为50v ,驱动频率为4000hz 。 |
| 9. | Based on the oled luminescent theory , we have designed the software of driving chip and driver by alternating current driving method . the driving plus ' s frequency and duty cycle can be changed by the software . we have designed a software about eight level gray - scale plus shifting modulation 根据有机电致发光的机理,设计了交流驱动的控制芯片的软件和驱动电路,并且对交流驱动的波形实现了驱动频率的可调,驱动波形的占空比可调的灵活的软件设计。 |
| 10. | Results show that , at any frequency , the mbsl field changes with the ultrasonic intensity , and the thresholds of ultrasonic pressures are increased with the ultrasonic frequency . the reason is that , the ultrasound with higher frequency needs higher pressure to make the bubbles provide enough energy to dissociate the water molecules 超声的驱动频率的大小影响气泡的膨胀比(气泡在超声作用下膨胀的最大半径最小半径) ,进而影响气泡爆破时产生的温度,导致不同频率条件下气泡地声致发光阈值不同。 |