Emulate experiments and lake experiment obtained lower error code rate than traditional waveform design method using this waveform structure with multiple phase shift key modulation.
以多进制相位调制方式采用这种波形结构进行了仿真实验和湖水试验,都获得了比传统的波形结构更低的误码率。
Now the modulation — change of key from major to back to minor as the cortege will start up again and then we — a nice clarinet sound there and here comes our cortege with the bass.
现在变调了,从大调,变回小调,送葬行列再次启动,然后我们听到了优美的单簧管,送葬行列伴随着低音来了。
Adaptive coded modulation has become one of the key techniques in high speed wireless data communications.
自适应编码调制技术已成为高速无线数据通信的一项关键技术。
Pulse Position Modulation (PPM) is one of key technologies for laser communication in Atmosphere, which can reduces the output power of the laser and increases communication distance.
脉冲位置调制(PPM)是大气激光通信的关键技术之一,可以减少激光器的发射功率,增加通信距离。
The thesis presents a new differential modulation, Coherent Amplitude and differential Phase Shift Key (CADPSK).
本文提出了一种新的差分调制方式,我们称之为相干幅度差分相移键控(CADPSK)。
The key parameter which describes the spatial resolution of imaging spectrum system is the modulation transfer function (MTF), it is an old and difficult topic to measure the MTF.
描述成像光谱仪系统空间分辩率优劣的关键参数是系统的调制传递函数—MTF, MTF的检测是一个古老而又困难的课题。
Then, the system block of two chaotic communication system is given, I, e. chaotic carrier modulation system and chaotic carrier key system.
在此基础上给出了两种混沌保密通信系方案,即混沌载波调制系统和混沌载波键控系统。
In pulse modulation identification is one of radar reconnaissance key technology. Especially, in pulse modulation identification under low SNR is a hot point of recent researching.
脉内调制类型识别是雷达侦察的关键技术之一,特别是低信噪比下的脉内调制识别技术是当前研究的热点。
The key technology in it, such as interference discrimination, self-adaptive modulation strategy and channel quality estimation are discussed in this paper particularly.
对其中的关键技术:干扰辨识、自适应调制策略和信道质量估计进行了详细的讨论。
The key aspect of adaptive OFDM includes accurate channel estimation and efficient adaptive modulation schemes.
准确的信道估计和高效的自适应调制方案是自适应OFDM技术的两个关键。
On this paper, we introduce the key problem of the remote biomedical detection system, which is how to realize the modulation and demodulation of the signal and the anti-jamming measures.
文章介绍生物医学信号遥测系统的关键问题,即如何实现信号的调制、解调及抗干扰的一些措施。
Binary offset carrier (BOC) modulation is the key to the new signal form which has been put forward for GPS.
GPS系统中提出了一种新的信号形式,二进制偏移载波(BOC)调制是这种新的信号形式产生的技术关键。
Modulation format of signal has become a key technique to enhance the transmission capability of system in the long-distance system.
在超长距离传输时,信号调制格式是可提高系统传输性能的一项关键技术。
Frame synchronization is a key part in Pulse Position Modulation. The performance of this part affects the whole performance of the PPM system.
帧同步是脉位调制中关键的一部分,其性能的好坏直接影响到整个系统的性能。
It introduces the project and key technology of modulation domain analysis, emphasis on the ZDT counter and the error compensation circuit based on FPGA.
介绍了调制域分析技术的原理,重点介绍基于FPGA的零空闲(ZDT)计数和测量补偿技术。
Multilevel laser power modulation is a key technology in multilevel optical data storage systems based on photochromism.
多阶激光功率调制是光致变色多阶光数据存储的一项核心技术。
Saturation fluence and modulation depth are key parameters of SESAM.
饱和通量,调制深度等是半导体可饱和吸收镜的重要参数。
Automatic modulation recognition and modulation parameters estimation are key problems in non-cooperative communication systems and Software Defined Radio.
通信信号调制方式的自动识别和调制参数的自动估计是非协作通信和软件无线电中的重要问题。
One of the key problems of designing the control valve of modulation rotary steering drilling tool is the design of high pressure hole of upside valve.
设计调制式旋转导向钻井工具控制阀的关键问题之一是上盘阀高压孔的设计。
In order to make a research on the software radio, this thesis focuses on key techniques for radio receiver including: DDC technology, the channelization model, modulation and demodulation algorithm.
为了对软件无线电进行探索性研究,本论文主要研究了软件无线电接收机中的部分关键技术:包括数字下变频算法,多通道并行接收的信道化模型以及调制解调部分的实现。
Adaptive modulation and coding by using convolutional codes is a key technology to solve the above problem.
利用删除卷积码实现自适应调制编码是解决上述问题的一个关键技术。
General by the command transmitter key, instruction encoding circuit, modulation circuit, driver circuit, firing circuit, such as a few parts.
发射器一般由指令键、指令编码电路、调制电路、驱动电路、发射电路等几部分组成。
Ti: LiNbO3 phase modulator is the key device in closed-loop sawtooth modulation fiber-optic gyroscope.
铌酸锂相位调制器是实现锯齿波调制闭环光纤陀螺的关键器件。
The design made some progress in data-encoding of the physical layer, the type of modulation and some other key technologies, and the performance of it was improved greatly.
该设计在物理层数据编码、调制方式等一些关键技术方面进行了改进,性能上有很大的提高。
Vacuum partial pressure control system is composed of computer system, vacuum modulation valve and partial pressure pump, of which the valve is one of key parts of the equipment.
真空偏压控制系统由计算机系统、真空调节阀、真空偏压泵等部件构成,其中真空调节阀是设备的关键部件之一。
Based on the model, the BER Bit Error Ratio performance is analyzed for narrow-band modulation and wide-band spread -spectrum modulation of coherent PSK Phase Shift Key...
结果表明移动卫星信道中存在的多径和阴影现象使系统的误码性能恶化,而采用宽带扩频调制则可极大改善系统的性能。
The paper chiefly introduces the principle of all-digital modulation in IF. The key issue of how to design a all-digital modulator is emphasized.
介绍中频全数字调制技术的原理,重点讨论设计全数字调制器的关键问题。
Firstly, the basic principles and the key techniques of access system is introduced, which includes modulation, error control, multi-address access, and embedded-system techniques.
文章首先详细介绍了接入系统的基本原理和关键技术,包括调制技术、差错控制技术、多址接入技术、嵌入式系统技术。
As the key point of expression modulation in prokaryotic and eukaryotic cells, the protein phosphorylation and dephosphorylation may help reveal the status of the life system at the molecular level.
蛋白质磷酸化和去磷酸化作为原核和真核细胞表达调控的关键环节,了解其对功能的影响可以深入理解生命系统在分子水平的调控状况。
As the key point of expression modulation in prokaryotic and eukaryotic cells, the protein phosphorylation and dephosphorylation may help reveal the status of the life system at the molecular level.
蛋白质磷酸化和去磷酸化作为原核和真核细胞表达调控的关键环节,了解其对功能的影响可以深入理解生命系统在分子水平的调控状况。
应用推荐