The simulator can mainly simulate the doppler frequency and range.
模拟器主要完成多普勒频率模拟和距离模拟。
The Doppler frequency can be obtained as a heterodyne or beat effect.
由于外差或频差效应，能够得到多普勒频率。
A method of removing the estimating outliers of Doppler frequency is studied.
研究去除多普勒频率估计野值点的方法。
Doppler frequency drift and timing error were considered in state transform equations.
状态方程综合考虑了多普勒频移、定时误差。
Doppler frequency offset is always the passive factor that cant be neglected in satellite communication.
多普勒频偏一直是卫星通信中不可忽视的消极因素。
In satellite mobile communications, Doppler frequency offset is a negative factor that couldn't be neglected.
在卫星移动通信中，多普勒频偏是一个不能忽视的消极因素。
The maximum Doppler frequency shift is an important parameter which affects the performance of the OFDM system.
在OFDM系统中，影响其性能的一个重要参数就是最大多普勒频移。
In this paper, the Doppler frequency and time-delay estimators of wideband echoes for LFM pulse radar are discussed.
针对LF M脉冲雷达的宽带回波信号的多普勒频移和时延估计问题进行了研究。
Besides amplitude, phase and Doppler frequency, polarimetric information is the fourth characteristic in the radar echo.
雷达回波信号中，除幅度、相位和多普勒频移外，还存在第四特征——极化信息。
In this paper, a self-position technique is introduced to obtain high accuracy position parameters from doppler frequency.
本文介绍了对连续波雷达的多普勒频率信息，用自定位技术获得高精度的弹道位置参数的一种方法。
The relative frequency and Doppler frequency rate estimation accuracy is high, and the process of solving the ambiguity is simple.
该算法具有相对频率估计精度高、解模糊过程简单、运算量小、多普勒频率变化率测量精度高等优点。
The method in which coherent accumulation is carried out after the echo is compensated by a Doppler frequency shift is introduced.
提出了一种先对回波信号进行多普勒补偿后再进行相干积累的方法。
In the communication of multiplex system, the DS signal exists Doppler frequency shift for the high dynamic situation of aerocraft.
在复合系统通信中，飞行器的高动态使扩频信号存在多普勒频移。
Doppler frequency shift observation of ionospheric high frequency echo is an important method for studying ionospheric disturbances.
电离层高频反射回波的多普勒频移观测是研究电离层扰动的一个重要方法。
Doppler compensation techniques: the large Doppler frequency offset can case the performance degraded in PN and carrier synchronizing.
多普勒频移补偿：大的多普勒频移会引起载波同步及伪码捕获性能的下降。
When the DPCA condition is not satisfied, the error of sampling position can be compensated by a linear phase in Doppler frequency domain.
在不满足DPCA条件时，采用在多普勒频域乘以线性相位的方法来实现平动补偿。
The Doppler frequency of signals was used to estimate the direction of arrival (DOA) of desired signal with unknown array response vector.
在未知阵列响应矢量的条件下，利用信号的多普勒信息，估计出期望信号的波达方向。
The radars motion and earth rotation generate a Doppler frequency component in the clutter return form any point on the earth-range walking.
由于天基雷达的运动和地球自转，地球上每一点的杂波都产生了附加的多普勒成分——距离游走效应。
There are lots of disadvantages in wireless environment, such as multi-paths fading, Doppler frequency shift and fast time varying of channel.
无线环境中存在多径衰落、多谱勒频移和信道快速时变等许多不利因素。
With modern spectral estimation algorithm, spectrum analysis on Doppler frequency caused by vehicles radar movement is carried out in DSP chip.
利用现代谱估计的算法，在DSP芯片中对检测车辆雷达运动产生的多普勒频率进行频谱分析。
The Doppler frequency shift, the main factor restricting the bandwidth of receiver in inter satellite laser link, with orbit equations is calculated.
从轨道方程出发，对影响卫星光链路接收机带宽的主要因素———多普勒频移进行了研究。
The basic work principle of a certain kind of Doppler radar is introduced, the relation between the echo Doppler frequency and other parameters is given.
介绍了多卜勒导航雷达的基本工作原理，推导了回波信号多卜勒频移与系统其它参量间的关系。
In the method, the target reflected signal is generated by the way of coherent video simulation and the Doppler frequency of target is simulated on video.
本方法对目标回波信号采用了相干视频模拟法，在视频上模拟目标回波的多普勒频率。
According to P-code features of large Doppler frequency shift and long code period, the method that shortens the scope of carrier frequency search is studied.
针对P码多普勒频移大、周期长的特点，本文探讨了缩短载频搜索范围的方法。
A new method for digital identification and demodulation of MPSK signals is presented under the condition of the Doppler frequency shift of channel attenuation.
针对衰落信道中广泛存在的多普勒频移现象，本文提出了一种MPSK信号数字化识别解调的方法。
The frequency time selective fading resulted from multipath dispersion and Doppler frequency shift is an important characteristic of urban mobile radio channel.
由多径色散及多普勒频移造成的频率—时间选择性衰落是城市移动无线信道的一个重要特性。
Furtheremore, the analysis indicates that the Doppler frequency shift cannot be Used to explain the wavelength self-scanning initially towards the longer wavelength.
进一步的分析显示，多普勒频移不能解释朝长波方向扫描的波长自扫描现象。
The blind estimation algorithm of Doppler frequency suitable for telemetry systems involving additional white Gaussian noise (AWGN) channels is proposed in this paper.
提出一种适应于在加性高斯白噪声信道(AWGN)下遥测系统的多普勒频偏盲估计算法。
According to the principle of view the Doppler frequency detection, the detector makes up of the transmitter, the transfer circuit, receiver and signal processing circuit.
根据多卜勒频偏检测原理，该探测器由发射机、转换电路、接收机和信号处理电路构成，发射信号是设计的关键。
According to the principle of view the Doppler frequency detection, the detector makes up of the transmitter, the transfer circuit, receiver and signal processing circuit.
根据多卜勒频偏检测原理，该探测器由发射机、转换电路、接收机和信号处理电路构成，发射信号是设计的关键。
应用推荐