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linear FM radar 线性调频雷达
A method for surpressing RFI in a chirp radar based on averaging range spectrum is developed, by averaging range spectra, the RFI can be detected and suppressed in time-frequency domain. 提出了利用时频分析精确地确定干扰分布位置的方法，利用去相关及时频滤波滤除了RFI的影响。
It is well known that the SAR echo can be considered as a linear FM signal,so does the echo of moving targets.The square modulus of linear FM signal has high energy centrality in the ambiguity domain. 近似为线性调频信号的SAR运动目标回波信号的模糊度函数在模糊平面内具有很高的能量集中性。
the linear FM distortion is <3. 5%. 调频非线性失真小于3.;5%25
linear FM stepped-frequency signal 线性调频步进信号
Radio-frequency Interferences (RFI) take the form of chirps after mixing with the intermediate frequency signal in a chirp radar and these chirps aggravate the performance of the radar. 摘要基于单一载频的射频干扰(RFI)在线性调频雷达中的表现形式，利用平均距离谱法获得了RFI的多普勒分布谱图。
THE CORRECTION OF CHIRP RADAR SIGNALS BASED ON SAR RAW DATA 用SAR原始数据对雷达脉冲信号失真的校正
A High Accurate Linear FM and PM Signal Source Based on DDS 高精度线性调频调相信号源
Detection of FM Radar Target Distance Under Minimum Working Distance 线性调频雷达最小作用距离范围内目标距离的测量
The Study of High Resolution Intra-inter FM Radar Signal Two Stage System 高分辨率脉内脉间频率调制雷达信号脉压系统研究
They picked up the yacht on their radar screen. 他们在雷达屏上看到了那艘游艇。
Fast Signal Processing of Sawtooth Waveform Linear FM Fix Distance System 锯齿波线性调频定距系统的快速信号处理
Suppressing of Radio-Frequency Interferences in Chirp Radar Based on Averaging Range Spectrum 利用平均距离谱法抑制线性调频雷达射频干扰
The radar scanned the sky for enemy planes. 雷达密切监视天空，搜索敌机。
Effective coherent integration algorithm for high-speed moving targets in Chirp radar Chirp雷达对高速运动目标有效相参积累的算法研究
A Method for Measuring the Linearity of the Linear FM Signal 一种测量线性调频信号线性度的方法
The watchtower followed the aircraft by radar. 瞭望塔通过雷达追踪这架飞机的行踪。
Enemy ships were detected on the radar screen. 敌舰的影像已显现在雷达(屏幕)上。
The signal was picked up by a downrange radar station. 该信号被试验飞行方向之内的雷达站收到了。
A gunboat was detected by the radar. 雷达探测出一炮艇。