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- sinusoidal modulated current 调制正弦电流
- Abstract: It is found that frequency tunability of the modulated current is related to periodicity of the Bessel's function of first kind. 摘要: 用场方法研究了相对论速调管放大器辐射频率的可调性。
- By replacing the sinusoidal modulation wave with its tangent or secant, three novel tangent sampling methods and two secant sampling methods were gained. 并在此基础上,分别利用切线和割线来近似替代正弦调制波,获得了3种新的切线采样法和2种割线采样法。
- Studies on Sinusoidal Modulated Self-mixing Laser Diode for Optical Sensor 正弦调制自混合型半导体激光器光学传感的研究
- The laser driver optimizes the characteristics of data streams and provides the adequate modulation current to the laser. 雷射驱动器将资料流的波形特性最佳化,并且提供适当的调变电流给雷射。
- Results show that both the shaft-rate modulated currents will generate an ELFEF which contains both the shaft fundamental and harmonics extending to several hundred Hz and becomes an important target characteristic of ship. 测量结果表明,由不同金属制成的船壳和螺旋桨之间的 腐蚀电流和防腐电流经螺旋桨转动的调制后,在海水中会产生以螺旋桨转动频率为基频以及高达几百赫兹 的谐波的极低频电场,成为舰船的一个重要目标特性。
- Laser range finders are often based on the phase shift method, a technique for measuring distances in the following way.A laser beam with sinusoidally modulated optical power is sent to a target. 相移法激光测距是一种有用的激光测距方法,其优点是精度高,缺点是测量需要时间长。
- Digital Signal Sinusoidal Modulation 数字信号正弦调制
- The MAX3740 can switch up to 15mA of VCSEL modulation current and source up to 15mA of bias current. The MAX3740 interfaces with the Dallas DS1859 to meet the SFF-8472 timing and diagnostic requirements. MAX3740可提供最高可达15mA的调制电流和偏置电流,并且配合DALLAS DS1859控制器,无需任何外部元件,便可符合SFF-8472定时和诊断的需要。
- Demand is outstripping current production. 现在需求逐渐超过了生产能力。
- She broadcasts on current affairs. 她发表时事广播演说。
- Our language goes current along the seacoast. 我们的语言通用于沿海一带。
- The sinusoidal modulation gaussian pulse used in UWB communication 一种用于UWB通信的正弦调制高斯脉冲
- You may open a current account at a bank. 你可以在银行开立一个活期帐户。
- I'd like to open a current account with you. 我想在你们这儿开一个活期存款帐户。
- He made some comments on current topics. 他对时事问题做了若干的评论。
- The swimmer was swept away by the current. 那个游泳的人被激流卷走了。
- He is interested in current affairs. 他对时事感兴趣。
- She had to swim against the current. 她必须逆著水流往上游。
- Sinusoid modulated phase 正弦调制相位