The device has a built - in oscillator with the frequency that can be programmed using external resistor and capacitor , typically 40 ~ 50 khz 该芯片具有自振荡功能,振荡频率可以通过外部元件设定,典型振荡频率为40 50khz 。
We introduce two thresholds of the packet loss ratio to divide the network load condition into three status : congest , normal , idle 通过两个门限值c 、 _ ，将网络的负载状况分为拥塞、适中、空闲三种状态，进一步减小发送速率的振荡频率。
Based on the assessment results , it is suggested that for the transient voltage immunity test , the 6mhz frequency should be included in the test waveform 基于评估结果，本文建议将瞬态电压试验波形的振荡频率提高到6mhz ，并提出了辅助试验的观点。
We have observed and recorded the relaxation oscillation of double - clad ytterbium - doped fiber laser by a digital oscillograph . the relaxation oscillation frequency is 20 . 0khz 我们使用示波器观察并记录了双包层掺镱光纤激光器的弛豫振荡现象，得到弛豫振荡频率为20 . 0khz 。
In addition , this paper numerically investigated the influence of the lumped parameters of the gunn diode on the frequency of the oscillation , and the tuning techniques of the oscillation frequency of the active antenna 本文还利用fdtd法数值研究了gunn二极管的集总参数对振荡频率的影响以及有源天线振荡频率的调谐技术。
Some examples are given , showing that density stratification can have a large effect on the added mass and damping of the floating rectangular box in a two - layer fluid over a range of frequencies 对所建立的求解模型进行了数值计算分析，结果表明在矩形箱浮体的某个振荡频率范围内，流体的分层效应对其附加质量和阻尼系数有显著影响的。
Because the self - oscillation , the dynamic accuracy of the servo system is not only correlative with servo system parameters but also influenced by the input signal amplitude , frequency and the system self - oscillation state 由于自振荡状态的存在，伺服系统的动态精度不仅与伺服系统的参数有关，还受到输入信号幅值、频率以及自振荡频率的影响。
The vortex type fluid oscillatory flowmeter based on measurement of vortex hydrodynamic vibration generated by specific flow passage , and the frequency of fluid oscillations is in direct proportion to flow rate 旋涡型流体振动流量计是利用流体在特定流道条件下流动时产生的旋涡振荡，而且其振荡频率与流速成比例这种规律来测量流量的流量计。
By improving the process technologies , si - based active devices , for example , mosfet ' s and bjt ' s et al , demonstrate an extremely high f , f and fmax , which is sufficient for radio frequency ( rf ) / microwave applications 对硅基有源器件，如mosfet ’ s和bjt ’ s等，通过改进工艺技术，可以得到很高的特征频率f _ t和振荡频率f _ ( max )性能，能够满足射频微波应用的要求。
The simulation results of the 2 . 5 - d pic code for this new structure are presented . a 2 . 5 gw peak output power with the frequency of l . 3ghz is generated with the input of 625kv voltage , dc input power of 18gw 然后对这种器件进行了数值模拟研究，得到的典型结果为:输入电压625kv ，输入直流功率18gw ，输出微波峰值功率为2 . sgw ，虚阴极振荡频率被锁定，微波饱和时间小于sns ，频率为1 . 3ghz 。
