At the range gate, I saw the cow suffering from calving. 我在牧场门口看到一只牛忍受着生产的痛苦。
Study on Anti-missile With Range Gate Pull-off Jamming in Support of Radar 雷达支援下的距离波门拖引干扰反导研究
The techniques of channel separation, range gate, variable gain of photomultiplier tube and cross polarization are analyzed and combined to improve the dynamic range compression of the laser echo signal in airborne laser bathymetry. 分析了分通道、距离选通、光电倍增管变增益、正交偏振等多种技术相结合的方法,用以改善机载激光测深系统中激光回波的动态范围。
It can be seen from the results of simulation that the three methods can suppress the sidelobe ideally, and have a good effect on multi-signal processing at one range gate. 仿真表明,这三种方法抑制效果比较理想,并且对同一距离门的多信号处理也比较有效。
It can be seen that the tuning range and the sensitivity of SOI varactor are influenced by gate oxide thickness, silicon film doping and silicon film thickness directly. 结果显示,栅氧厚度、硅膜掺杂、硅膜厚度等结构参数会对SOI变容管的调节范围和灵敏度有直接影响。
Range Finding Capability of Laser Range Finder and Range Gate 激光测距机的测距能力与距离波门
Using the principle of the correlation detection, two range methods of the fixing gate and moving gate are discussed. 利用相关检测原理讨论了固定门测距法和移动门测距法。
That air Pulse Doppler Radar work with range gate in HPRF and MPRF, and work includes the LFM ( line frequency modulation) and barker code+ MTD ( Moved Target Detection) at LPRF. 该机载脉冲多普勒雷达系统在高、中重复频率下采用距离门体制进行工作,在低重复频率下采用包括线性调频和巴克码两种信号的脉压+动目标检测体制进行工作。
The scheme accomplishes range tracking by adopting three range gate tracking to make middle gate always centered at echo pulse center through feedback circuit and deviation calculation circuit. 该方案采用三波门跟踪,通过偏差计算电路和反馈控制电路使中间波门中心始终对准目标回波脉冲中心,完成距离跟踪。
The post SBD current-voltage relationship of I_g and I_b in a larger voltage range (-4~+ 3V) is simulated with the PLC formula, which is simple for the study of ultra-thin gate oxide reliability. 该公式能够在较大的电压范围(-4~+3V)模拟氧化层SBD后的栅电流和衬底电流的电流电压特性,为超薄栅氧化层可靠性的研究提供了一个较为简便的公式。
Especially, with the decrease of the thickness of the gate oxide, an irregular change of the varactor's tuning range is observed, which is due to the gate depletion of polysilicon. 在模拟中,还观察到了当栅氧厚度很薄时,多晶硅栅耗尽导致的可调电容的变化范围不规则变化的现象。
Analysis, modeling& evaluation of range gate pull off designs 距离波门拖引方案的分析建模与评估
A Valid Method for Terminal Guidance Radar to Counter Range Gate Pull Off 末制导雷达抗距离拖引干扰的一种有效途径
A High Precision Range-gate Circuit Designed with CPLD 基于CPLD的高精度门控电路的设计
The design and successful results of the range gate circuits have been given. 提供了距离门设计方案和应用结果。
An algorithm based on variable structure interacting multiple model is presented to track range gate pull off ( RGPO) target in airborne fire control radar. 针对机载火控雷达中可能出现的距离门拖引欺骗,给出了一种基于交互式多模型的目标跟踪方法。
The design of the range gate in satellite laser ranging systems at Shanghai Observatory 激光人卫测距中距离门的设置
The effectiveness of range gate pulling off deception jamming radar range tracking loop is studied. 对距离欺骗干扰,分析了波门拖引干扰对雷达距离跟踪系统的干扰原理。
So the effectiveness evaluation of Range Gate Pull Off ( RGPO) is studied in this paper. 鉴于此,对距离波门拖引干扰效果评估进行了研究。
The laser active imaging is active imaging system, which integrates laser technology, range gate technology of imaging sensor and imaging and manipulation technology of faint target. 激光主动照明成像是主动成像系统,它是将激光技术、成像传感器的距离选通技术、微弱目标的成像处理技术结合在一起而发展的新技术。
By the method of Hanning and linear average, the stabilization and range of pulsating signal had been analyzed. The selves vibration frequency of the gate and the disadvantage condition of gate operation had been discovered. 采用加汉宁窗及线性平均的方法,对脉动信号的平稳性和幅值进行分析,得出闸门结构的自振频率,以及闸门运行时的不利工况。
This paper holds up a location track arithmetic which bases on Markov chain cooperating to correlation detection range gate and derives the implementation method of the location track arithmetic. 因此,该文提出了一种基于马尔科夫链配合相关检测距离门的定位跟踪算法,并推导了定位跟踪算法实现方法。
The deteced target is tracked by a two-dimensional window which is composed of an azimuth gate and a range gate. 对雷达目标的检测与跟踪进行方位/距离双波门控制。
Then we proposed dynamic range of the target delay at the gate when the control technology and continuous high-speed image data transmission and storage technology. Then, we study the two key technologies for dynamic imaging. 提出了动态下对目标距离处选通门延时控制技术和连续成像时图像数据的高速传输及存储技术。然后,对两项动态成像关键技术进行分析研究。
Raised a new method to estimate target range, which utilized range gate, MTD filter and time-frequency domain joint detection. 提出了摄动目标距离估计新方法,利用距离门、MTD滤波器和时域-频域联合检测,在实现摄动目标检测的同时,估计出目标距离。