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- Range Resolution Dial Diam Standard NO. 分度值表圈外径产品标准号。
- In order to obtain high range resolution, the Chirp signal is used as subpulse to form stepped frequency modulated radar signal. 摘要为了获得高距离分辨率,将线性调频信号作为子脉冲构成调频步进雷达信号。
- The nonlinear chirp of laser reduces the range resolution of synthetic aperture imaging ladar. 合成孔径激光成像雷达中啁啾激光光源的非线性会严重影响距离向的成像聚焦。
- The analysis and simulation shows that this radar system has higher range resolution and insensitivity to Doppler shift, etc. 分析与仿真结果表明,这种雷达系统具有距离分辨率高、对多普勒频移不敏感等特点。
- Compare the CW versus PW Doppler ultrasound in terms of sensitivity, acoustic output, signal/noise ratio, range resolution and velocity ambiguity. 请从灵敏度、声输出、信噪比、距离分辨率以及速度不确定性方面比较CW和PW多谱勒成像。
- A local view scan measuring method is adopted, by 10/0.25 micro objective and 3# resolution test pattern (resolution factor is 1.8751p/mm.) . the average measured value of CTF is 0.52 and simulated result is 0.66. 在检测过程中,采用局部视场扫描测量方法,选用10/0.;25的显微物镜,3%23鉴别率板(分辨率为1
- The results showed that the most favorable alcoholic modifier was iso-propanol for miconazole and ethanol for imazalil, with the maximal resolution factor of 2.76 and 4.83, respectively. 结果显示:咪康唑和抑霉唑在流动相极性添加剂分别为异丙醇和乙醇时获得了较好的分离,分离度分别达2.;76,4
- The linearity of the FMCW signal is an important index to appraise the frequency modulated source.It determines the radar range resolution in the system of radar range. 线性调频连续波(FMCW)信号的线性度是衡量线性调频源质量的一个重要指标,在雷达测距系统中,它决定着雷达的距离分辨率。
- Due to the size of the target is larger than the range resolution cell of the radar, the backscattered power of the target is recorded as a function of time. 本文研究的是把目标回波信号通过变换后与门限作比较,如超过门限,则判为有目标,否则就判为无目标。
- In order to realize the high spatial and range resolution for a space-borne laser altimeter based on frequency-modulated fiber laser and heterodyne-range detection is proposed. 为使星载激光高度计实现高空间分辨力、高距离精度,提出了联合采用调频光纤激光器和相干测距的方法。
- In the other hand, after pulse compression processing, the output signal's main lobe will be extended and its amplitude or phase will be modulated, and the range resolution will descend too. 由于信号带宽的损失,脉压输出回波信号的主瓣展宽,距离分辨力下降;另外,主瓣幅度或相位还会受到调制。
- The high range resolution capability of stepping frequency radar with its unique waveform and processing is being exploited to solve the problem of detection of low RCS targets in heavy clutter. 频率步进雷达,由于其高距离分辨能力及独特的波形和处理,正在用来解决强杂波中小目标的检测问题。
- From the analysis of range and cross resolutions of ISAR,the influence of MTRC on range resolution is discussed. 从ISAR成像原理出发,分析了散射点越距离单元走动(MTRC)对ISAR分辨率的影响,通过高分辨DFT数据矩阵求逆和AR模型进行方位谱数据外推;
- The Resolution Factor and Angle Semibreadth of Raster 光栅的分辨本领与角半宽度
- I was reading a magazine when the phone rang. 电话铃响时我正在看一本杂志。
- The melody still rang in her ears. 那个旋律仍然在她的耳际荡。
- Under present experiment condition, we do measure experiment to prove the distributed optic fiber temperature sensor system FGC-W2B type.Proof the space and temperature resolution factors. 在现有的实验条件下,对FGC-W2B型分布光纤温度传感系统进行测量试验,测量了系统的温度分辨率和空间分辨率。
- Their refusal rang the knell of our hopes. 他们的拒绝是我们希望破灭的凶兆。
- He rang off without giving his name. 他名字也未说就挂断了电话。
- Mysteriously, there was no answer when I rang. 真怪,我按了铃,但没人应。
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