This commercial integrated chip can be used in the local oscillation circuit, high-accuracy clock generator and so on.
这种商用集成芯片可用于本振合成回路，高精度时钟发生器等。
In receiving mode, through controlling DDS, it produces the local oscillation signal needed by down frequency conversion of the receiving signal. Then the DBF is used to form the receiving beam.
在接收模式下，则利用DDS技术产生接收信号下变频所必需的本振信号，然后采用DBF技术形成接收波束。
The methods of local mesh refined, dynamic time step and lumped heat capacity matrix were introduced to resolve the numerical oscillation problem.
为了解决数值振荡问题，采用了局部网格细化、动态时间步长和集中热容矩阵等方法。
Using the single pendulum, we can research the relationship between the period of oscillation of it and the length of it and measure local acceleration of gravity.
通过单摆装置可以方便地研究单摆的振动周期与摆长关系和测定当地的重力加速度。
The simulation results showed that the new algorithm could control the local minimum, avoid the oscillation, and quicken the convergence speed of blind equalization procession.
仿真结果表明，该算法可有效抑制网络陷入局部极小，防止振荡，加快盲均衡器的收敛速度。
The traditional PSS use the local signal such as the generator electromagnetism power or shaft speed as its input to restrain low frequency oscillation.
传统的PSS使用本地可测量的发电机电磁功率、转速等作为输入信号以抑制低频振荡。
However, if the heat capacity matrix is not lumped, the numerical oscillation problem can not to be resolved even though by refining the local mesh or by decreasing the time step.
如果不进行集中热容矩阵，无论是细化网格还是减小时间步长，其解决数值振荡问题的效果都不好。
However, if the heat capacity matrix is not lumped, the numerical oscillation problem can not to be resolved even though by refining the local mesh or by decreasing the time step.
如果不进行集中热容矩阵，无论是细化网格还是减小时间步长，其解决数值振荡问题的效果都不好。
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