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- Range Resolution Dial Diam Standard NO. 分度值表圈外径产品标准号。
- 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。
- How largeis your demo program? Long speech big screen high resolution ratio? 您的演示程序有多大?
- Hyperspectral remote sensing has resolution ratio of wave band width less than 10 nm ,the wave bands are continuous (there are hundreds of wave bands within the range of 400-2500 nm ), It contains a great of information within hyperspectral data. 高光谱遥感具有光谱分辨率高(波段宽度<10nm)、波段连续性强(在400-2500nm范围内有几百个波段)、光谱信息量大等特点。
- 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。
- With Huygens-Fresnel belt, the authors have analyzed the horizontal resolution ratio, and pointed out the technological crux of such a method. 用惠更斯菲涅尔带分析了水平分辨率,最后说明该种方法的技术关键。
- 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 computer resolution ratio: 1024 * 768 table top wallpaper size is that the number is comparatively limpid so? ? ? 您的位置:我也知道>电脑/网络>电脑的分辨率:1024*768那么桌面壁纸的大小为多少较为清晰???
- 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。
- A design to generate 8 bit to 16 bit resolution ratio pulse width modulated (PWM) outputs based on programmable counter array (PCA) is provided. 摘要给出了基于可编程计数器阵列PCA的8位到16位分辨率的PWM波形的生成方法。
- The switch network is shared by different instrument. 12-bit data-acquisition MAX186 is used to offer 1mV resolution ratio for the signal modulate circuit. 信号调理采用12位A/D芯片MAX186,模数转换的分辨率达1mV。
- 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。
- High image space resolution ratio can help MRI detect tiny subject and it s not easy to ignore tiny focus and avoid ignoring diagnostics and wrong diagnostics. 高的空间分辨率容易检测出微小的物体,在诊断时不易漏掉微小病灶,避免造成漏诊、误诊。
- Deep reflection seismic method is characterized by high resolution ratio, accuracy and reliability, and is hence an effective technique for geoscience research. 摘要深反射地震方法解析度高、准确可靠,是用于地学研究的一种有效方法技术。
- 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。
- Through the research of direct digital synthesizer (DDS) used as a divider in phase lock loop (PLL), a frequency synthesizer with small frequency resolution ratio and high purity frequency spectrum can be realized. 摘要通过对直接数字合成器在锁相环路中作为分频器应用的研究,使频率合成器可以在实现超细频率分辨率的同时达到高的频谱纯度。
- 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。
- Thirdly, every reginal of the object is labeled and calculated its’ pixel number.Lastly, the corn leaf’s real area can be got through the corn leaf’s pixel number and the image resolution ratio. 接着进行区域标记与区域像素数统计,区域像素数结合图像分辨率就可以获得玉米叶片的实际面积。