modulation wave的例句大全

LFM can be demodulated by the same arithmetic as for FM, and the demodulated signal takes on the shape of saw-tooth-wave and the period of LFM can be estimated while modulation slope can't because of arctan operation.

LFM信号可以用实现FM的方法来进行解调，解调信号呈锯齿状，可以从中获得调制信号周期，但是因算法中存在反正切运算，致使无法从中获得LFM的调制斜率。

The determination indicates that the incommensurate modulation of ankangite is a combination of occupancy modulation and displacive modulation, and is a square wave modulation along c-axis.

测定表明安康矿属占位调制及位移调制的复合型无公度调制，而且沿c轴方向为方波调制。

Range Estimation of Linear Frequency Modulation Continuous Wave Radar

线性调频连续波雷达的距离估算

In this paper, we derive the equations describing recording and reconstruction processes of holograms using sphere wave illumination and compare the two holographic techniques with respect of hologram modulation, diffraction efficiency and the error of measurement.

本文导出了用球面波系统记录微粒全息图和再现微粒像的理论公式.并对两种系统全息记录的调制度、全息图衍射效率、再现像误差作出比较。

In recent years, Frequency Modulation Continuous Wave Radar ( FMCWR) is widely used in many fields for its eminent characteristics, such as high resolution, large dynamic range, low radiant pollution to environment and good performance in anti-jamming, especially for vessel traffic system.

调频连续波雷达（FMCWR）具有分辨率高、信号动态范围大、对周围电磁环境干扰小、抗干扰能力强等特点，得到广泛应用，特别适用于海事交通管制系统（VTS）。

By comparing, we choose of Frequency modulation Continuous Wave radar as vehicle radar detects obstacles in front of the vehicle.

通过研究比较，在激光、超声波、红外线和毫米波中选择了调频毫米波雷达作为车载雷达探测前方的障碍物。

The process of retrieving intelligence ( data ) from a modulated carrier wave; the reverse of modulation.

从调制过的载波信号中检出信息 ( 数据 ) 的过程, 是调制的逆过程.

In this paper, a simple and practical circuit for laser diode modulation is presented, the principle circuit and the principle of choosing component are given, at last, application in sine wave modulation in non cooperative target phase shift laser rangefinder is introduced.

本文介绍了一种简单有效的半导体激光器调制电路，给出了电路原理图，元件的选择原则，最后介绍了在非合作目标相位式激光测距系统中实现正弦调制的应用。

While a sine-wave modulation signal is shown, any wave shape could be used.

然而当正弦 波调制信号 显示时, 任何波形都可以使用.

The theoretical formulas of the mutual coherence function T and the modulation factor G are derived. The spatial coherence and temporal coherence are analyzed. These results are compared with the laser coherence modulation by Raman-Nath moving wave A-O effect.

给出互相干函数Г和调制因子G的理论公式，分析了空间相干性和时间相干性，并与Raman&Nath行波声光效应调制激光相干度进行了比较。

The theme mainly focused on the problem how to apply Orthogonal Frequency Division Multiplexing modulation technology to the low-frequency elastic wave through-the-earth communication system which takes the layered earth for transmission medium.

本课题研究的是把正交频分复用调制技术应用在以分层大地为传输媒介的低频弹性波透地通信系统中。

In this theme, the modulation scheme of the low-frequency elastic wave through-the-earth communication system and the realization related to the system for hardware and software is a great platform for the further work. The result provides available experience in future to use the technique.

本文介绍的低频弹性波透地通信的调制方案以及相关的软硬件实现，为后续的研究工作做了一个铺垫，提供了一定的借鉴经验。

The intermodulation distortion and SNR of both the conventional Intensity Modulation ( IM) system and a novel Standing Wave Acousto-Optical Modulation ( SWAOM) system were demonstrated theoretically and experimentally in this paper.

本文从理论与实验上论证了光纤通讯光强调制（IM）和新型驻波声光调制（SWAOM）系统中的互调制信号失真与畸变以及信噪比。

A small signal theory& space charge wave physics relevant to modulation properties of intense relativistic electron beams in klystron amplifiers is described in this paper.

介绍了在长脉冲强流相对论速调管（RKA）研究中强流相对论空心电子束（IREBs）的一种小信号群聚理&空间电荷波理论。

For specific square wave modulation modes and typical ionospheric conditions, oscillations process of ionospheric conductivity and electrojet are studied in details.

基于方波脉冲的入射方式，详细地研究了加热区电离层电导率和赤道电急流的振荡过程。