通过选择合适的需要改变的相位系数因子数目,可以实现在计算复杂度和PAPR性能之间进行取舍优化。
By choosing the proper number of phase coefficient factor needed to be changed, it can make a choice or optimization between the computation complexity and the PAPR performance.
由于水、油介电特性差异较大,导致电磁波在不同含水率的油水混合介质中传播时的相位系数有很大不同。
There is so much a different dielectric property between oil and water that the phase constants are quite different when electromagnetic wave travels in them.
按测得的相位角放置试重块,由开机测得的幅值影响系数确定配重块重量。
Trial mass is placed according to the phase Angle and counter weight is decided with influence coefficient.
应用该两种方法可以精确地估计入射波和反射波的幅值以及反射系数等参数,能够获得入射波和反射波之间的相位信息,可以很好地应用在波浪分离中。
The amplitudes and reflection coefficients of the incident and reflected waves as well as the phases of the incident and reflected waves can be estimated by the present methods.
最大熵反褶积是在地震子波为最小相位条件下进行的,其向前预测误差就等于反射系数序列。
The maximum entropy deconvolution is performed under the premise that seismic wavelet is of minimum phase, so the forward prediction error is equivalent to reflection coefficient series.
由于向列相液晶大的非线性系数,使得利用向列相液晶产生光学相位共轭波称为可能。
Nematic liquid crystal has a large non-linear coefficient, so it is possible to produce optical phase conjugation (OPC) wave in right condition.
基于峰值约束最小平方优化标准,提出了一种用于设计线性相位定点系数FIR数字滤波器的新方法。
A new method for designing linear phase FIR digital filter with fixed-point coefficients based on the peak-constrained least-squares criterion is proposed in this paper.
期望信号和干扰信号相关性越强,阵列滤波性能差异越明显,且相关系数的相位影响着“最佳”干扰信号的空间到达角。
The correlative coefficient between desired signal and interference affects the filtering performance strongly, which changes the direction of optimal interference.
在引入重叠基矩阵的基础上,提出了加窗全相位等效f IR滤波器系数向量的计算通式。
Based on introducing overlapping base matrix, the general calculating formula for the coefficient vector of windowed all-phase equivalent FIR filter is proposed.
测试了晶体的指教增益系数、衍射效率、相位共轭反射率和响应时间等光折变性能。
The exponential gain coefficient , diffractive efficiency , phase conjugate reflectivity and the response time were measured.
要实现对ISAR的欺骗干扰,设计一个好的假目标信号尤为重要,其关键在于如何产生一个好的相位调制系数对截获对方ISAR信号进行调制。
To realize deception jamming against Inverse Synthetic Aperture Radar, a good phase modulation coefficient that is used to modulate intercepted ISAR pulse is very important.
改变输入信号幅度、反馈增益系数、放大器增益、比较器增益等参数以及相位补偿器的位置进行了仿真。
Simulations have been done through adjusting parameters such as input signal amplitude, feedback gain, amplifier gain, comparator gain and the position of the phase compensator.
结果表明,相位测量的理论误差为零,幅度测量的理论误差可用修正系数消除,且使用较低位数的DA转换器,可得到高准确度的结果。
The results show that the phase error of the vector measurement is zero, and amplitude errors can be eliminated, and high measurement accuracy can be obtained by using low bit D/A converter.
这个方法可用于同时实现予给传输系数的较复杂的幅度和相位。
This method can also be used to realize both the more complex magnitude and phase ofa prescribed transfer function.
进行了双束激光和频相位匹配的理论分析,给出了KTP和LBO 两种晶体在和频时的最佳相位匹配角和有效和频系数。
The phase matching conditions for sum frequency generation are analyzed. The optimum phase matching angles and effective nonlinear coefficients for KTP and LBO are derived and calculated.
在此基础上,讨论了幅度系数比对幅度相位双差分空时码的影响,并给出了一种最佳的幅度系数选择方案。
Based on the above, the impact of amplitude coefficient ratio on amplitude-phase Double Differential Space-Time Codes is discussed, and an optimal selection scheme in amplitude coefficient is given.
本文在不外加输入激励情况下,讨论了开环不稳定和非最小相位的ARMAX系统系数的一致估计。
Without introducing any external excitation to the system input, this paper gives consistent estimates for the coefficients of an ARMAX system, which is allowed to be unstable and of nonminimum-phase.
在反射系数白噪、子波最小相位的假设下,研究基于线性反演的地震反射系数和子波同时估计问题。
Assuming white noise reflectivity and minimum phase wavelet, the estimation of them simultaneously by linear inversion algorithm is studied.
围绕超高速这一特点,对系统的相位噪声、接收机噪声系数、发射功率、系统门限接收电平等作详细的论证,以确定总体设计方案。
Round the feature of the ultrafast speed, make the detailed description of phase noise, receiver noise figure, launch power, threshold level of system.
它从自相关系数的相位差的最佳线性组合中提取频率值。
It retrieves the frequency from the optimal linear combination of the differenced phase of autocorrelations.
由于具有恒李雅普诺夫指数的类Colpitts混沌系统存在特殊的常数项参数与系数参数,因此,整个同步体系的状态变量具有幅度与相位的调节灵活性。
There exists adjustable flexibility on amplitude and phase of state variables owing to the special parameters, i. e. constant term and coefficient of CCSCLE.
高频线性输运系数的宏观测量不会破坏这种相位关联。
The macroscopic measurement of high-frequency linear transport process does not destroy this interference effect.
该方法是基于最小相位滤波器的复倒谱系数和其群迟延函数以及其系统函数之间的关系,通过一个非线性的递归方程求解分母多项式的系数。
Based on the relationship between the group delay function and the cepstral coefficients, the denominator polynomial coefficients can be determined through a nonlinear recursive difference equation.
定义灵敏度系数,得到相位噪声对于跃迁几率的权重函数,求得相位噪声对于重力加速度测量的具体影响结果。
The sensitivity coefficient describing the relationship between the phase noise and the transition probability is defined. And then, the sensitivity of the interferometer is achieved.
利用推导的抗挤强度系数理论公式分析孔径、孔密及相位角的变化对其抗挤强度系数的影响,其结果为优化射孔设计提供了简便的方法。
The shot diameter, shot density and shot phasing related to the collapsing strength coefficient are analyzed, and the result is helpful to the perforation optimum design.
实验得到了铜在常温下的调制频率与相位差间的实验数据,通过对实验数据的线性拟合得到了铜的热扩散系数,以及铜-不锈钢在300 K和20 K低温下的接触界面层热阻。
The experimental data of copper was obtained about the phase lag dependence of modulation frequency at normal temperature, and the thermal diffusivity of copper was acquired by using the linear fit.
计算了其平均功率反射系数、方向性系数和功率谱与等离子体边缘密度和主波导相位差等参数的关系。
The average power reflection coefficient, directivity, power spectrum are obtained for different edge plasma densities and for different phasings between main waveguides.
通过将物质方程与耦合波方程联立数值求解, 可得到光折变光栅形成过程中两波耦合增益系数以及光束条纹相位的变化。
Material equations and coupled wave equations are jointly solved to get the coupling coefficient and phase shift of light pattern during the dynamic procedure of photorefractive grating formation.
通过将物质方程与耦合波方程联立数值求解, 可得到光折变光栅形成过程中两波耦合增益系数以及光束条纹相位的变化。
Material equations and coupled wave equations are jointly solved to get the coupling coefficient and phase shift of light pattern during the dynamic procedure of photorefractive grating formation.
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