In this paper, the frequency spectrum and the bandwidth of the frequency shift signal with continuous and discontinuous phase are analyzed.
分析了相位连续与不连续移频信号的频谱并比较了它们的带宽。
It is right that the modal of discontinuous phase method measures blade vibration parameters and the monitoring system has a good perspective in engineering application.
结果证明间断相位法的计算模型是正确的,研制的叶片振动状态监测系统有良好的应用前景。
Hydrocarbon migrates in the buoyancy-driven flow or the seepage flow through the subsurface porous media, but it moves upward in discontinuous phase in the course of buoyant ascent.
虽然油气的浮力流和渗流都是地下多孔介质中的流动,但油气在水中上浮不呈连续相流动。
All Phase least square approximation to the discontinuous signal is also introduced with less error than the traditional method.
文中还对间断函数进行了全相位最小二乘方的逼近,逼近误差小于传统方法。
This scheme uses smooth wave instead of discontinuous wave, so the wave in time field is continuous phase and has good frequency spectrum characteristics.
该方案用平滑的波形来替换前后码元的不连续跳变,从而得到相位连续的时域波形,波形平滑、频谱主瓣窄、滚降速度快。
Type C, under situation of discontinuous training, preparetory phase being shorter and body functioning being bad, technical training takes middle tensity as the domnant factor.
C类型——对训练间断、机能状态差的,以中等强度为主,慎用大和次极限强度,不用极限强度。
Phase-shifted full-bridge PWM converters work in discontinuous current mode (DCM), when the current of out-put filter inductor is discontinuous in one switching period.
当输出滤波电感的电流在一个周期内不连续时,移相全桥PWM变换器就工作在电流断续模式(DCM)。
It is a simple principle and higher measurement precision without complicated phase unwrapping and calibration procession, and can be used to measure the discontinuous and spatial isolation shape.
且原理简单,测量精度高,不需要复杂的相位展开和校准过程,特别适用于测量突变面形和空间离散面形。
The discontinuous volume phase transitions of PNIPAAM and its copolymer gels stimulated by temperature, solvent composition, pH, ionic composition, photo and electric field were described.
材料智能行为的本质是 ,材料接受温度、化学、电场、光等外部信号的刺激后 ,材料的结构、能量状态发生变化并作出响应的过程。
The discontinuous volume phase transitions of PNIPAAM and its copolymer gels stimulated by temperature, solvent composition, pH, ionic composition, photo and electric field were described.
材料智能行为的本质是 ,材料接受温度、化学、电场、光等外部信号的刺激后 ,材料的结构、能量状态发生变化并作出响应的过程。
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