modulation system的例句大全

In order to explore the control rule of micro air vehicle ( MAV), a special system based on pulse width modulation signals for flight data measurement and flight control was designed.

为探索微型飞行器的飞行控制规律，基于脉宽调制信号设计了一种专用的微型机载数据采集和输出控制系统。

photon echo in ultrafast modulation spectroscopy of a four-level system

四能级系统超快调制光谱学中光子回波的研究

cascade three-level system examined by ultrafast modulation spectroscopy

级联三能级系统超快调制光谱学频谱分辨率的研究

due to that hspa+ has already adopt mimo and high order modulation technology to improve the spectral efficiency, it is preferred to further improve the peak data rate by increasing the system bandwidth.

由于HSPA+已经采用了MIMO和高阶调制等先进技术以提高频谱效率，所以提升系统带宽成为提高峰值数据速率自然而然的首选方案。

KDP crystal is a type of excellent electro-optical non-linear optical materials, which is widely applied in the field such as laser radiation, electro-optical modulation and optical rapid switch etc. Thus it is a good choice for the artificial percolating laser system.

KDP晶体是一种综合性能比较优良的非线性光学材料，被广泛地应用于激光变频、电光调制和光快速开关等高科技领域，是人工激光变频系统的首选材料。

We have studied MSK modulation and demodulation and system synchronization by SAW devices.

我们已用声表面波（SAW）器件对MSK调制、解调和系统同步等作了研究。

a new system integrated of communication and radiolocation with four antennas space-time modulation

一种新颖的四天线时空调制通信定位综合化系统

watermark embedding is performed by means of quantization index modulation, the quantization step of which can be dynamically adjusted according to the local image characteristics and the human visual system.

水印的嵌入采用量化调制方式，其量化步长可根据人类视觉系统和载体图像的局部特点自适应地调整。

A direct mathematical expression for the relationship between the transmitter optics aperture and the satellite vibration amplitude has been derived. The assumption in the derived model is that the satellite communication system adapts on-off keying ( OOK) modulation and an APD as the detector.

从接收机的比特误码率与发射机的振动关系出发，采用OOK调制方式，以APD为光电探测器，推导得到了描述发射机天线口径与发射机振动关系的数学模型。

one type of solar grid-connection system by using lcl immittance converter, also with it's detail spwm modulation method are presented.

介绍了一种用于太阳能并网逆变的LCL导抗变换器系统，提出了所需SPWM的具体调制方法。

from this point, m-ary quadrature amplitude modulation ( mqam), multicarrier modulation ( mcm) and adaptive modulation techniques are good candidates in next generation mobile radio system.

从这一点出发，多元正交幅度调制（MQAM）、多载波调制（MCM）及自适应调制技术成为下一代移动无线系统中最有竞争力的几种候选技术。

system design and simulation of communication and radiolocation with spread-spectrum space-time modulation transmitted by circular array antennae

圆天线阵时空调制扩频通信定位系统设计与仿真

so, radiolocation technique in the communication system based on ofdm modulation was investigated in this paper.

为此本文结合两者对基于OFDM调制的通信系统中的无线定位相关技术进行了研究和探讨。

applications of frequency modulation device to centrifuge drive pulling system

变频调速装置在离心机拖动系统上的应用

the application of fourier series smoothing method in determining modulation transfer function of imaging system

付立叶级数滤波法在测定成象系统调制传递函数中的应用

a high field superconducting magnet as well as an esr modulation coil are supplied with the system.

系统提供可产生高磁场的超导磁体和电子自旋共振模块线圈。

to resolve the difficulty of fair packet scheduling caused by bandwidth uneven distribution with time slot ( budts) in adaptive modulation wireless system, a novel fair packet scheduling algorithm, maximum rate scheduling with fairness constraint ( mrsfc), was proposed.

针对自适应传输系统中带宽随时隙不均匀分布（BUDTS）造成无线分组调度算法难以保证公平性的问题，提出了一种公平约束最大速率调度（MRSFC）算法。

this thesis analyzes a number of key technologies of the white led communication system, more in-depth study on the performance of commercial white led light source, including led volt-ampere characteristic, the characteristics of the illumination and modulation bandwidth characteristics.

本文在分析了白光LED通信系统的若干关键技术基础上，对商用白光LED的光源性能进行了较为深入的研究，内容包括LED的伏安特性、光照度特性和调制带宽特性。

previous digital honeycomb system often adopt modulation way of fsk, ask, psk etc.

在以前的数字蜂窝系统中，往往采用FSK、ASK、PSK等调制方式。

the system uses boc modulation.

伽利略系统采用BOC调制方式。