In this paper, the distorted pulse shape is derived in the chirp pulse transmission through dispersive optical fiber, and the method is given for the chirp pulse not to be widened.
本文导出了啁啾激光脉冲经色散光纤传输后的畸变波形,以此为基础讨论了避免啁啾光脉冲被光纤展宽的各种方法。
The motion equation satisfied by an induced polarization of a two level atom interacting with laser pulse is derived by using a nonperturbation method.
通过非扰动方法导出了与线偏振激光脉冲相互作用的二能级原子的诱导极化所满足的运动方程。
Based on the definition of the average ambiguity function, the numerical expression of the average ambiguity function for the RPPM pulse doppler radar signal is derived in this dissertation.
本文从平均模糊函数的定义出发,推导了随机脉位调制脉冲多普勒雷达信号的平均模糊函数解析表达式。
The frequency spectrum and characteristics of pulse interval and width modulation (PIWM) are derived in detail.
推导了非同步型脉冲间隔与宽度双重调制(P I W M)的频谱及其特点。
The intracellular calcium wave model in frog sympathetic neurons is established. Then the analytical expressions of velocity and waveform of calcium solitary pulse wave are derived.
第五、建立了蛙交感神经细胞内的钙波模型,并得到了一维孤立脉冲钙波波速和波形的解析关系式。
Formulas are derived for the ensemble average of the pulse power and the RMS pulse width.
得到了在光纤中传输的脉冲光功率的系综平均值和输出脉冲宽度的均方根值的近似解析公式。
Functional relations between measured linewidth and optical parameters, structural parameters, oscillator coil and high-frequency rectangular pulse Numbers have been derived in the paper.
推导了被测线宽与光学性能参数,结构参数,振荡频率以及高频矩形脉冲数之间的函数关系式。
The error in experimental determination of RTD derived from tracer pulse injection, digit time and response measurement, and flow model parameter estimation are discussed.
本文分析了用脉冲法注入示踪剂时示踪剂的分布、时间与应答信号的测量,以及模型参数的回归等方面的种种误差。
The formula for calculating transient temperature field in pulse reactor fuel element is derived with lumped parameter models.
采用集总参数模型,推导了脉冲堆燃料元件瞬态温度场的计算公式;
Then, the calculation formulas of the fundamental and steady harmonic as well as pulse harmonic electromagnetic powers are derived.
导出了基波电磁功率、稳定谐波电磁功率及脉动谐波电磁功率的计算公式。
A recursive formula of the nonlinear observer is derived by using the blok pulse function which can be easily implemented on-line with microcomputer.
文中把方块脉冲函数应用到该非线性观测器,导出一个简单的递推算法,易于微机在线实现。
The calculation formulas of the fundamental and steady harmonic and pulse harmonic electromagnetic torques have been derived.
导出了基波电磁转矩、稳定谐波电磁转矩及脉动谐波电磁转矩的计算公式。
An easy numerical algorithm is derived by means of the identification for input-output model of water-carriage system via a block pulse functions.
给出了一个利用方波脉冲函数辨识过水系统输入—输出模型的简易数值解法。
How to get the rules of phase-shifting from the coherent integration of single pulse is first introduced, on the basis of which an approach to restoring PSK sequence is derived.
通过对PS K信号相位特性的分析,采用相关积累的方法充分利用单个脉冲所提供的相位跳变信息,成功提取出PS K信号相位跳变规律,在此基础上进行了相位编码序列的恢复。
The time of arrival equation of pulse and the timing equation of pulsar navigation in 1PN approximation is derived.
完整推导1PN度规形式下脉冲到达时间方程与脉冲星导航的观测方程,分析导航观测中的相对论效应,给出观测方程的级数展开形式。
The maximum PAPR and the used pulse shaping waveform is derived and proved.
分析论证了该方法的PAPR上限值和所用的脉冲成形波形集合。
Firstly, the structure of the laser accelerometer based on PSD are designed in this dissertation. The relation between the output pulse difference and the input acceleration is derived.
本论文主要研究内容:首先,设计了基于PSD的激光加速度计系统的结构,针对此结构推导了该数字式力平衡加速度计输出脉冲差与输入加速度之间的关系。
The analytic expression is derived by taking into account the third-order dispersion as an initial chirped Gaussian optical pulse propagates along the single-mode.
在考虑光纤色散三阶项时,推导出具有初始啁啾的高斯光脉冲沿单模光纤传输时的表达式。
Taking the effects of space charge and carrier diffusion as well as injected current pulse width into account, an analytic expression of a transit angle of 8 mm Si DDR IMPATT diode is derived.
在考虑载流子的空间电荷效应、扩散效应和注入电流脉宽情况下,推导了双漂移崩越二极管的渡越角表达式。
Secondly, we have studied the effect of filters by the use of perturbation theory and derived the evolution equation of the soliton pulse in the presence of sliding frequency.
第二部分同样用微扰理论来研究滤波器的作用,导出了频域滤波孤子传输系统的脉冲演化方程;
The autocorrelation function of the randomly staggered pulse sequence is derived, and its power spectrum is given. Comparison with constant pulse-repetition frequencies pulse sequence is also made.
推导了随机脉位脉冲序列的自相关函数,给出了其功率谱,并与均匀脉冲串的功率谱进行了分析比较。
Based on the paired-echo theory, the effect of waveguide dispersion on performance of the wideband signal pulse compression was analyzed and the corresponding expression derived.
基于成对回波理论,针对波导色散对宽带信号脉压的影响进行了理论分析,推导出了具体的数学表达式。
For the pulse case, formulas for the waveform, the front of the pulse and the amplitude of the pulse pressure distributed in space have been derived and numerically calculated.
对于脉冲情况,导出波形、波前和波幅的关系,给出了数值计算结果,使与实测波形相比较。
A useful formula for passing a pulse through a transformer is also derived.
且对于脉流经过变压器,推出一适用之算术方式。
The general formulae which represent the critical intensity of the laser pulse for the acceleration and the corresponding energy gain of the particles are derived.
导出了电子获得加速所需的激光强度阈值及相应的电子能量增益的一般解析表达式。
This paper analyzes the technology with intra-pulse chirp and inter-pulse stepped frequency to obtain high-resolution range profile. The echo expressions of static and moving targets are derived.
本文分析阐述了利用脉内调频、脉间跳频技术获取距离高分辨一维成像的可行性,导出了静止目标和运动目标的回波表达式。
For this seismograph, an analytical expression of the pulse response for certain forms of the displacement function has been derived.
给出了仪器对于几种不同形式的地动位移函数的响应的解析解。
The corresponding area theorem is derived, which is a generalization of the area theorem related initially to the light pulse propagation through the two-level system.
导出了相应的“面积定理”,是将只关系到光脉冲在二能级系统中传播的面积定理的一种推广。
The general expression of the output mirror optimum reflectivity is derived by pulse-pumped solid - state laser output energy (power), as known for CW laser.
和连续激光器一样,对于脉冲泵浦固体激光器,利用其输出能量(功率)表达式,得到了输出镜最佳反射率的一般表达式。
The general expression of the output mirror optimum reflectivity is derived by pulse-pumped solid - state laser output energy (power), as known for CW laser.
和连续激光器一样,对于脉冲泵浦固体激光器,利用其输出能量(功率)表达式,得到了输出镜最佳反射率的一般表达式。
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