该算法以抖动调制为基础,以视频帧的运动特征和纹理特征作为边信息,自适应地确定抖动调制的量化步长。
In the algorithm, dither modulation is adopted, and the motion feature and texture feature are used as side information to determine the adaptive quantification step of every frame.
算法利用伪随机数产生经过模型中心的直线,选取以直线与模型交点为球心的球形邻域作为嵌入对象,通过抖动调制邻域内顶点的重心来嵌入水印信息。
Firstly, a group of lines through the model center depending on a pseudorandom number is generated. Then the intersection points of these lines and the model's surface are chosen as embedding objects.
仿真表明,自适应调制泄漏法在网络处于劣化模式和非劣化模式时都可以有效地抑制指针调整抖动。
Simulations show that adaptively modulated bit leaking method can reduce the jitter in pointer adjustment effectively in both the normal mode and the degraded mode of SDH network.
该文提出利用脉间调频斜率抖动的复杂调制LFM信号,实现对数字储频欺骗干扰的抑制。
This paper puts forword a method to generate the complex modulation LFM signal using the slope wobble in different Pulse Repetition Interval (PRI).
该控制器具备pwm调制、模糊逻辑控制和滑模变结构控制三者的优点,较好地解决了滑动模态的抖动问题。
The controller provides all the advantages from PWM modulation, fuzzy logical control and sliding mode variable structural control, and solves the chattering problem better.
介绍了锁相调频的基本原理,用锁相调频的射频直接调制方法实现了脉冲信号的低抖动传输。
The low jitter transmission of pulse signals is realized by direct RF-modulation based on PLL frequency modulation.
硬件上,测速时采用了脉冲去抖动电路,用8253构成PWM调制器。
In hardware, pulse jitter suppression circuit is applied during velocity measuring, The core of PWM modulator is 8253.
硬件上,测速时采用了脉冲去抖动电路,用8253构成PWM调制器。
In hardware, pulse jitter suppression circuit is applied during velocity measuring, The core of PWM modulator is 8253.
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