phase spectrum的例句大全

Study on artificial ground motion method with statistical law of phase difference spectrum

用相位差谱统计规律探讨人造地震动方法

According to practice, this simulator has stable signal phase, pure signal spectrum, and ability to produce any complex waveform.

经过实践证明，该模拟器产生的信号相位稳定，频谱纯度高，并具有复杂波形生成的能力。

Determination of the phase-velocity dispersivity of the epoxy-tungsten backing by phase-spectrum analysis

相位谱法测量环氧钨粉背衬的频散特性

The theoretical mechanism of spectrum broadening in self-focusing and defocusing, self-phase modulation, four-wave mixing, and plasma radiation during the process of filament formation is elaborate theoretically.

然后在理论上阐述了在形成等离子体细丝过程中的白聚焦和散焦、自相位调制、四波混频以及等离子体辐射等光谱展宽理论机制，并对形成等离子体细丝的三个物理模型进行了说明。

Spectrum Analysis of Spurious Signals in Direct Digital Frequency Synthesizer Due to Phase Truncation

DDS相位舍位杂散信号的频谱分析

Anomaly discrimination of simple spectrum of differential phase with multifrequency IP

多频复合波激电差分相位频率简谱异常区分法

Interchannel Phase Difference, Signal Spectrum and Stereo Sound Image Width

通路相位差、信号频谱与立体声声象宽度

In this paper, by using the stereo sound image localization equation, at phase difference, existing between the reproduction channels, the relationship among the sound image width, interchannel phase difference and signal spectrum are quantitatively exploited and experimentally verified.

本文利用重发通路间存在相位差时的立体声声象定位公式，定量地探讨了声象宽度与通路相位差、信号频谱之间的关系，并进行了实验验证。

Based on the comparison results we can conclude that the phase screen generated by covariance method is of high accuracy. For Kolmogorov spectrum, the wave-front function error of the phase screen generated by covariance method is about 1% of the averaged wave-front function value.

根据比对结果得，该方法产生的相位屏精度高，对于Kolmogorov谱，该方法产生的大气相位屏的波前结构函数误差约为理论波前结构函数均值的1%。

A phase transfer catalyst ( PTC) was prepared with improved method and characterized by IR spectrum and elementary analysis.

对反应控制相转移催化剂制备方法进行了改进，催化剂产率可达94%，并用红外光谱（IR）和元素分析对催化剂进行了表征；

It shows that BBO type-ⅱ phase matching has very narrow bandwidth in the simulation of the gain spectrum, which is confirmed in the numerical calculation of the parametric bandwidth.

在增益谱分布的模拟计算中发现类匹配具有非常窄的增益带宽，并在其参量带宽的模拟计算中得到了证实。

A Design of Spread Spectrum Phase-modulated Signal Simulator Based on FPGA and DDS Technique

基于FPGA和DDS技术的扩频调相信号发生器的设计

A phase deviation based split-spectrum processing algorithm for ultrasonic flaw detection

一种用于缺陷超声检测的相位标准差分离谱新算法

In this pager, the self-phase modulation effect in gain saturated semiconductor optical amplifier and its affect on the shape, phase and spectrum of transmission pulse are analyzed.

本文分析了半导体激光放大器处于增益饱和状态下的自相位调制（SPM）效应，以及SPM效应对传输脉冲波形、相位及频谱的影响。

A Joint Transform Correlator Based on Phase Modulation of the Power Spectrum

基于对功率谱进行位相调制的联合变换相关器

We often use SAW tap delay line to catch the phase of spread-spectrum sequence in Spread-spectrum communication system. BPSK signal modulated by spread-spectrum sequence can be made by using SAW tap delay line.

在扩展频谱通信系统中，常用SAW抽头延迟线来实现扩频序列的捕捉，利用SAW抽头延迟线可以生成被扩频序列调制的中频BPSK信号。

In this article, the K-distributed rain drop size spectrum is first described and used as a probability mode to calculate the rainy attenuation, the phase shift rate and the depolarization discrimination of radio waves.

本文第一次用一种非高斯分布的概率模型K分布描述了雨滴尺寸分布的数密度。

characterizing phase locked loops using real-time spectrum analyzer

使用实时频谱分析仪检定锁相环

in this paper, the interpolation formula of the amplitude spectrum of finite duration real-sequence fourier transform is given. an improved complex cepstrum method of minimum phase signal reconstruction from amplitude spectrum is proposed. this method can obviously advance the reconstruction accuracy and reduce the operand.

本文给出了有限长实序列幅度谱的内插公式，提出了一种由幅度谱恢复最小相位信号的改进复倒谱算法，该方法可明显地提高恢复精度、降低运算量。

the power density spectrum of an inner-phase-modulated optical fiber resonator is analyzed theoretically and experimentally, which is valid for any source coherence time.

从理论上详细分析了光纤环形腔有内相位调制时的输出光电流功率谱密度函数，该理论对任意相干长度的输入激光光源都是有效的。