查询词典 modulated

Intermediate frequency linear frequency modulated signal has been widely used in radar,for it has precise measurement on target's speed and distance.

中文摘要： LFM信号是目前雷达中应用的主要信号形式，它具有很高的速度和距离分辨率。

Two modulated structures are found in presaging time, which are ordered intermetallic phase.

在时效的前期阶段观察到两种长周期调制结构。

Soft decision parts (503,506) perform temporary decisions of modulated signals (502,505) as separated by a separating part (501) using an inverse matrix calculation of a channel scatter matrix.

软判定部(503、506)对在分离部(501)使用信道变动矩阵的逆矩阵运算而分离的各个调制信号(502、505)进行虚拟判定。

The jammer receives the radar signal and modulates it in frequency domain, and then the modulated signal is retransmitted.

阐述了利用正弦信号进行频率调制的干扰机理，分析了干扰信号的频率特性，推算了决定干扰效果的各项关键参数。

He had a plump face, lemur -like eyes, a quiet, subtle, modulated voice.

他有一张胖胖的脸，狐猴般的眼睛，以及安详、微妙和富于抑扬顿挫的嗓音。

For that purpose, on the rotor there is located at least one transmitter, which transmits light towards a receiver mounted on the axis of rotation, the light being modulated with the data to be transferred.

为此目的，在转子上，设置有至少一个发射器，其向安装在转动轴上的接收器发射光，该光用待传输的数据进行调制。

Based on the principle of light-pen mode non-track three dimensional coordinate measuring technology, the paper uses PSD as the photoelectric receiver and point light modulated by frequency to measure coordinates.

本文通过对光笔式无导轨三坐标测量的研究、提出了以PSD(Position Sensitive Detectors，位置检测传感器)作为光电接收传感器，用高频调制光作为点光源，进行位置坐标测量的新思路，以提高整机的精度。

Notably, these organometallic nanosheets luminesce in the red to near infrared region, and their electronic conductivity can be modulated by visible-light irradiation.

尤其是这些有机金属纳米片在红色到计划外区发光，而他们的电子电导率可以用可见光辐照来调整。

In this case, the received carrier is modulated by unknown Doppler frequency and frequency rate. The estimation techniques as maximum likelihood estimator and extended Kalman filter are described and compared in our dissertation by tracking a common simulated highdynamic trajectory.

文中详细推导了任意信噪比情况下，时延和多普勒频率估计的方差下限表达式：在信噪比高于门限信噪比的情况下，具体推导了估计方差的Cramer-Rao限；在信噪比低于门限信噪比时，估计的方差下限还与失锁概率有关。

A modulated laser detection system is designed to measure the zero time of launching.

在采用激光测量导弹起飞零时刻的系统中，关键的问题是要解决抗强背景光干扰和寻求适应背景不断变化的探测技术。

Don not attempt to do something which you can not to do.

不要企图做那些办不到的事情。

The expression of CTGF and TNF-αweredetected by immunochemistry and the number of Clara Cells was calculated.

光镜下观察肺组织的病理变化，采用免疫组化染色观察肺组织中结缔组织生长因子和肿瘤坏死因子-α的表达和Clara细胞的数量。