• Based on the phase shift pulse width modulation technology, the mathematical non-linear model is developed.

    基于载波调制,建立了变频器的非线性数学模型

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  • It is called a shift register because the data is shifted through the register by one bit position on each clock pulse.

    就是移位寄存器因为数据时钟脉冲的作用下通过寄存器会移动一位。

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  • Control pulse is coupled into this pulse shaper by wavelength division multiplexer. Nonlinear phase shift of signal laser is induced by control pulse because of cross phase modulation.

    脉冲整形器利用波分复用器将控制光脉冲引入光纤环形镜中,控制光脉冲由于交叉相位调制在信号光上产生非线性附加

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  • The shift of reflective wavelength of one FBG under external strain is translated into a change in time interval of the optical pulse from another FBG drived by a PZT plate.

    外界拉力个光纤布拉格光栅反射波长漂移转变另一个压电陶瓷片调制的光栅反射的脉冲间隔变化

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  • Self-phase modulation of fiber does not affect the pulse shape of chaotic signal, however, its product of nonlinear phase shift can widen the chaotic signal spectrum.

    结果表明:自相位调制影响混沌信号脉冲形状产生非线性使混沌信号频谱展宽

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  • Results show that the trapping pulse generates frequency shift.

    研究表明:俘获的信号脉冲能产生移。

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  • The selection of the initial shift register of M-sequence is a key technique in pulse compression waveform design whose pulse compression waveform must have low peak power and large compression ratio.

    二相编码波形设计初始移位寄存器选择是个关键技术直接决定了信号波形满足最小峰值功率下能否具有最大

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  • The parallel loading of the flip-flop can be synchronous (i. e., occurs with the clock pulse) or asynchronous (independent of the clock pulse) depending on the design of the shift register.

    触发器并行加载可以同步的(时钟脉冲到达时发生)异步的(不依赖于时钟),取决于移位寄存器设计

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  • The rule of the shift of the mean charge depth at different environmental humidity was discussed for this electret material by heat pulse method.

    利用脉冲技术研究不同湿度下电晕充电的聚酰亚胺薄膜沉积电荷平均深度向背电极迁移规律

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  • In some sense and at not too high orders, it can be better than Kaiser's window which is taken as the unit pulse response of a non-recursive shift variant filter here.

    一定意义上说阶数太高时,优于凯泽函数作为单位脉冲响应非递归线性变滤波。

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  • The key factors of the Relayed frequency shift jamming to it's quality are it's frequency shift amount and the time delay between the jamming pulse and the jammed signal.

    决定转发脉冲干扰品质信号脉冲相对延迟时间

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  • The speed of moving-target was measured based on the principle of PD frequency shift, and the range of moving-target on the pulse-echo principle.

    利用多普原理实现了运动目标速度测量,利用脉冲回波测距原理实现运动目标距离测量。

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  • The studies have found that the radiation pulse will be broadened after passing through the UWB antenna, and the spectrum will shift entirely to the lower frequency band.

    研究发现脉冲信号通过天线辐射的脉冲信号出现拖尾、振铃覆盖的频谱整体低频移动

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  • Signal laser interferes in fiber coupler, then shaped signal pulse transmits from output port of this pulse shaper. Signal pulse's waveform is determined by the profile of the nonlinear phase shift.

    信号耦合器中发生干涉,经过整形信号光脉冲脉冲整形出射出射,信号脉冲波形非线性附加的波形决定

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  • The shift of impurity radiation peaking relative to the injection pulse is caused by the molecular agglomeration.

    对应分子注入脉冲,分子束“团簇”效应引起杂质辐射峰化时间错位

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  • In this paper the working principle of the LFM pulse compression radar, and the principles of shift frequency jamming and convolution jamming are analyzed.

    本文分析了线性调频脉冲压缩雷达工作原理干扰原理卷积干扰原理。

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  • A pulse selector circuit supplies a drive pulse to the desired pixel row selected by the vertical shift register circuit.

    脉冲选择器电路通过垂直移位寄存器电路而选择出的任意像素供给驱动脉冲。

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  • Electromagnetic waves are applied to a patient blood vessel and the reflected electromagnetic waves are analyzed for a Doppler shift, which is indicative of a pulse.

    电磁波施加患者血管并且分析反射电磁波偏移述多普勒偏移表明存在脉搏

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  • The shift trigger pulse of the thyristor trigger circuit with integration amplifier is generated by comparing directly principle of three-phase AC and shift-phase control voltage.

    晶闸管触发器采用集成数放大器,触发脉冲形成根据三相交流电的各相与移相控制电压直接比较原理实现的。

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  • The pulse was drift backwards nonlinear by the self-frequency shift effect.

    效应 使飞秒脉冲向后沿非线性漂移

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  • Theoretical analysis and numerical simulation of compression to negative chirp pulse based on dispersion-shift fiber (DSF) using distributed Raman Amplification.

    该文对分布式拉曼放大的色散位移光纤DSF啁啾光脉冲压缩进行了理论分析数值模拟

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  • The sixth chapter studies the techniques in measuring the bearings changing rate and centrifugal acceleration, and poses several algorithms of measuring pulse Doppler shift frequency changing rate.

    第六章主要对角度变化率离心加速度参数的获取技术进行了研究提出了几种高精度测量脉冲序列多普频率变化率方法

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  • The method comes from the mechanism of reciprocal shift modulation, which transforms the measuring of eigenfrequency into measuring the spike pulse responding to ineffective-modulation optic power.

    易性调制机理出发,将对本频率测量转化对无效调制功率响应尖峰脉冲的测量;根据光功率响应机理,将对半波电压的测量转化为求有效调制光功率最小值。

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  • The method comes from the mechanism of reciprocal shift modulation, which transforms the measuring of eigenfrequency into measuring the spike pulse responding to ineffective-modulation optic power.

    易性调制机理出发,将对本频率测量转化对无效调制功率响应尖峰脉冲的测量;根据光功率响应机理,将对半波电压的测量转化为求有效调制光功率最小值。

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