Based on the phase shift pulse width modulation technology, the mathematical non-linear model is developed.
基于移相载波调制,建立了变频器的非线性数学模型。
It is called a shift register because the data is shifted through the register by one bit position on each clock pulse.
这就是移位寄存器,因为数据在每一个时钟脉冲的作用下通过寄存器会移动一位。
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.
该全光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了非线性附加相移。
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.
在外界拉力下一个光纤布拉格光栅反射波长的漂移被转变成从另一个被压电陶瓷片调制的光栅反射的光脉冲间隔的变化。
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:自相位调制不影响混沌信号脉冲的形状,但能产生非线性相移使混沌信号频谱展宽;
Results show that the trapping pulse generates frequency shift.
研究表明:被俘获的信号脉冲能产生频移。
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.
二相编码波形设计中初始移位寄存器的选择是个关键技术,它直接决定了信号波形在满足最小峰值功率下能否具有最大脉压比。
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.
触发器的并行加载可以是同步的(即在时钟脉冲到达时发生)或异步的(不依赖于时钟),这取决于移位寄存器的设计。
The rule of the shift of the mean charge depth at different environmental humidity was discussed for this electret material by heat pulse method.
利用热脉冲技术研究了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的迁移规律。
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.
从一定意义上说,在阶数不太高时,可优于凯泽窗函数作为单位脉冲响应的非递归线性移变滤波。
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.
决定转发移频脉冲干扰品质的是其移频量和与信号脉冲的相对延迟时间。
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.
利用多普勒频移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。
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,脉冲信号通过天线后,辐射的脉冲信号会出现拖尾、振铃,所覆盖的频谱整体向低频端移动。
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.
信号光在耦合器中发生干涉,经过整形的信号光脉冲从脉冲整形器的出射端出射,信号脉冲的波形由非线性附加相移的波形决定。
The shift of impurity radiation peaking relative to the injection pulse is caused by the molecular agglomeration.
对应于分子束注入脉冲,分子束的“团簇”效应引起了杂质辐射峰化时间的错位。
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的工作原理、移频干扰原理和卷积干扰原理。
A pulse selector circuit supplies a drive pulse to the desired pixel row selected by the vertical shift register circuit.
脉冲选择器电路向通过垂直移位寄存器电路而选择出的任意的像素行供给驱动脉冲。
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.
把电磁波施加到患者血管,并且分析反射电磁波的多普勒偏移,所述多普勒偏移表明存在脉搏。
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.
该晶闸管触发器采用集成运数放大器,移相触发脉冲的形成是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。
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。
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)负啁啾光脉冲压缩进行了理论分析和数值模拟。
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和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勒频率变化率的方法。
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.
从互易性偏置调制的机理出发,将对本征频率的测量转化为对无效调制光功率响应的尖峰脉冲的测量;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。
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.
从互易性偏置调制的机理出发,将对本征频率的测量转化为对无效调制光功率响应的尖峰脉冲的测量;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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