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- Based on the mathematical model of target signal of millimeter wave radiometer on bomb, the digital simulation is made of the target signal. 摘要从弹载毫米波辐射计的目标信号数学模型出发，对目标信号进行了仿真计算。
- Overlapped low-frequency interruption and random noise usually exist in singularity target signal recognition. 摘要奇异性目标信号检测中往往存在叠加型低频干扰及随机噪声的污染。
- A signal and noise separator based on SVM whose kernel function is Gauss function was used to distinguish the target signals from noises, and enhance the SNR by removing noises. 采用以高斯函数为核函数的SVM所构成的信噪分离器，对信号和噪声进行识别和分离，从而消除噪声，得到高信噪比的超声回波信号。
- Based on the mathematical model of target signal of millimeter wave radiometer on bomb, the digital simulation was made on the target signal. 从弹载毫米波辐射计的目标信号数学模型出发,对目标信号进行了仿真计算;
- This method filters the blocks formed of frames and windowed by 2D window.Then the target signal samples are smoothed in local. 采用多帧组合成块的结构进行二维加窗滤波，然后辅以局部平滑的技术，可以有效抑制噪声，并防止乐性噪声出现。
- In this paper,the hardware and software of the automatic test system are designed based on DSP technique,CPLD technique,target signal simulation,VISA technique,and ODBC technique. 本文基于DSP技术、CPLD技术、回波信号模拟、VISA和ODBC等技术;完成了引信自动测试系统的硬件及软件设计.
- The clutter is predicted exactly and subtracted from the input signal by RLS adaptive filter,leaving components of the target signal in the residual noise. 通过RLS自适应滤波器,背景杂波分量被准确地预测并从输入信号中去除,从而只剩下目标信号与残留噪声。
- Classifying five target signals underwater base on the bispectrum features through BP neural networks, the targets are identified properly with high efficiently. 在提取了水下目标信号的双谱特征的基础上,利用BP神经网络对五类水下目标信号的双谱特征进行分类,得到了较高的识别率。
- MCU AT89C51 is adopted to control DDS chip AD9850 to produce the sine signal which frequency may be adjusted. The pure signal can be obtained through the low pass filter,and then target signal is drove by the power amplifier. 采用单片机AT89C51控制DDS芯片AD9850产生频率可调的正弦信号,并通过低通滤波器得到纯正的信号,最后经过功率放大驱动电路输出目标信号。
- Abstract： In this paper, the hardware and software of the automatic test system are designed based on DSP technique, CPLD technique, target signal simulation, VISA technique, and ODBC technique. 摘 要： 本文基于DSP技术、CPLD技术、回波信号模拟、VISA和ODBC等技术;完成了引信自动测试系统的硬件及软件设计.
- These studies suggest that different eukaryotic pathogens use equivalent targeting signals to deliver their effector proteins. 有趣的是，我们知道在抑郁症患者身上功能异常的大脑区域的活动也能预测乐观倾向。
- Signals control each section of the railway track. 各种信号控制着铁路轨道的每个部分。
- The torpedo homed in on its target. 鱼雷射向目标。
- Distinction of Two Overlapped Target signal in DBF 数字波束形成中密集目标分辨研究
- The company has met their export target. 该公司已经实现了它们的出口目标。
- A stationary target is easiest to aim at. 静止的目标是最容易瞄准的。
- A period signals the end of a sentence. 句号表示一个句子结束了。
- He shot an arrow, but it fell short of the target. 他射了一箭，但没有射中靶。
- The lighthouse flashes signals twice a minute. 灯塔每一分钟发出两次信号。
- He won't hit the target at that distance. 他打不中那样远的目标的。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
