Synthetic aperture radar(SAR)is one high resolution radar, and the simulation of raw signal is one important aspect of SAR.
合成孔径雷达是一种高分辨率的雷达体制 ,原始信号的模拟是合成孔径雷达研制的一个重要方面 。
Study on POLSAR Raw Signal Simulation;
POLSAR原始回波信号仿真研究
The traditional compression methods based on the data correlation have not been used to compress SAR raw data, because SAR raw signal lacks the correlated characteristics.
ＳＡＲ原始回波信号的相关性较差，因此基于数据相关性的传统压缩方法对星载ＳＡＲ回波信号的数据压缩不再实用。
Based on the characteristics of radar original video signal, a compression method by using wavelet transform is proposed and compression algorithm frame is constructed.
基于雷达原始视频信号特点,提出了一种利用小波变换实现雷达原始视频信号压缩的方法,构建了相应的压缩算法框架,最后通过实际采集的雷达数据进行了实验,证明了所提出的算法的可行性。
In order to solve the transmission problem of large capability of radar data and satisfy the need of real-time and losslessness of radar original video signal,compression coding method of combination of DPCM and adaptive Huffman coding has been given based on the characteristic of radar original video signal.
为了解决大容量雷达数据传输,满足雷达原始视频信号实时无损的要求,根据雷达原始视频信号的特点,给出了采用DPCM(DifferencePulseCodingModulation)与自适应Huffman编码相结合的压缩编码方式,分析了该算法的有效性和溢出问题,实验表明该方法相对于传统的自适应Huffman编码而言能改善实时性,提高压缩比。
A functional unit that converts a modulated signal into the original signal.
把已调制过的信号恢复为原始信号的一种功能部件，或叫操作装置。
Generally the components of the signal that are in phase and out of phase with the primary signal are plotted separately.
一般都分别划出与原始信号同相和异相的信号分量。
Study on POLSAR Raw Signal Simulation;
POLSAR原始回波信号仿真研究
The signal beam can be recreated by illuminating the medium with a beam identical to the original reference beam.
通过用和原始参考光相同的光束来照亮感光介质可以还原信号光。
Study the Signalling Pathway of c-erbB_2 in the Primordial Follicles Onset
原癌基因c-erbB_2调控原始卵泡启动生长中有关信号通路的研究
Role of MAPK and PKC signaling pathways in the regulation of c-erbB_2 in the primordial follicles onset
MAPK/PKC信号通路在原癌基因c-erbB_2调控原始卵泡启动生长中的作用
Relativity Between Acoustic Densitometry of Ultrasonography and Original Myocardial Radio Frequency Signal
联机声学密度定量与心肌原始射频信号强度的相关性
the starting_signal was a green light; the runners awaited the start.
我们的起始信号是绿灯。
principle of fail-safe in railway signaling
铁路信号故障-安全原则
Prefilters are used to process the source of the template immediately before compilation.
前过滤符号用在开始编译前，处理样板的原始码。
(2) It is the base and precondition that EEG must be preprocessed before it is available.
(2)对原始脑电信号的预处理是对脑电进行分析与计算的前提与基础。
THE RECOGNITION OF THE SEABED REFLECTION SIGNAL AND THE AUTOMATIC PICKUP OF SEABED TOPOGRAPHY FROM THE ORIGINAL DATA OF SUB-BOTTOM PROFILE
浅地层剖面原始数据中海底反射信号的识别及海底地形的自动提取
DPOIR (Dial Pulse Originating Incoming Register)
拨号脉冲原始入局记录器
On the Primitive Way of Reading and the Early Signs for Interpreting Texts;
原始阅读方式与早期的文本释读符号
signal to the regiment for the attack to begin
向团部发出开始进攻的信号
(military) a signal to begin a withdrawal from a dangerous position.
（军事）开始从危险位置撤回的信号。
a signal (usually a bell) announcing the start of curfew restrictions.
宣布宵禁开始的信号（通常是钟声）。
The signal given, the bus started.
信号灯一亮，汽车开始起动。