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- The Detection and Parameter Estimation for Multi- component Chirp Signals Based on the Fractional Fourier Transforms 基于分数阶傅里叶变换的多分量Chirp信号的检测与参数估计
- 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。
- Material Characteristics: Optical quality glass, quartz glass, lead and cadmium free multi component silicate glass, or borosilicate glass or Plastics. 材料特性:光学质量级别的玻璃,石英玻璃,含有铅和镉的多元素硅酸盐玻璃或者硼硅酸盐玻璃。
- Moreover ,a multi component heat and mass transfer model for CFT was developed ,and it was the base of CFT further studying . 并探讨了分凝分馏塔(CFT)的多组分传热传质模型,为进一步研究分凝分馏塔打下初步基础。
- The acoustical transfer function and transfer loss of exhaust muffler can be obtained by using chirp signal as excitation at the inlet of exhaust muffler. 采用适当的人工边界条件来描述排气口外部的半无限空间，通过进气口端正弦扫频激励，可求得出口端的响应，从而获得该排气消声器系统的传递函数和传声损失。
- The method of calibration for the P213nm and P214nm spectrums with seriously spectrum interference by multi component spectral fitting(MSF) is introduced,which can also be used to determine phosphorous in iron and steel. :研究了采用多谱线拟合 (MSF)法来校正存在严重的光谱干扰的P2 1 3nm、P2 1 4nm谱线 ,并以之来测定钢铁中的磷含量。
- Chirp signal(LFM) is a kind of large time and band product signal used in pulse compression radars.It's advantage is non-sensitive to the Doppler shift of echo signal in the matching filter. 线性调频(LFM)信号是脉冲压缩体制雷达中广泛应用的大时宽带宽积信号,其突出优点是匹配滤波器对回波信号的多普勒频移不敏感。
- This work established the derivative ultraviolet absorption spectroscopy determination of sulfadiazine(SD),sulfamerhoxazole(SMZ) and trimethoprim(TMP) in multi component sulphonamide reagent. 作者建立了同时测定联磺制剂中磺胺嘧啶（SD），磺胺甲基异啮唑（SMZ）和甲氧苄氨嘧啶（TMP）三组分含量的导数紫外分光光度法。
- Stretch processing is used to demodulate and remodulate the wideband chirp signal, which can reduce the system IF bandwidth, and reduce the complicated degree of the system remarkably. 该模拟器采用去斜率解调和调制处理来降低系统中频处理带宽，从而降低了系统复杂程度。
- For the problem of parameter estimation of one dimensional and two dimensional chirp signal in additive colored Gaussian noise, a new method based on fourth-order cumulant is proposed. 摘要针时加性高斯有色噪声背景下的一维、二维线性调频信号的参量佑计问题，引入高阶统计量，提出了一种基于四阶累积量的新方法。
- Experiment on acoustic pyrometry is done using the chirp signal, white noise and sine wave respectively in a 300MW boiler in one domestic power plant, through fire hole on furnace wall. 在国内某电厂的300MW机组锅炉上,利用炉墙上的观火孔,分别用扫频信号、白噪声信号和正弦信号进行了冷态下的声学测温试验。
- multi component aqueous solution 多元溶液体系
- A method for generation of multiblock grid and its application to domain decomposition method of Euler equation for multi components aricraft configuration are given. 给出了一种生成多部件复杂外形飞行器分区网格和Euler方程分区解。
- Genetic programming was applied to design multi components complex distillation process by setting up an interrelationship between the individual code and the process structure. 通过建立个体编码与流程结构的对应关系,将遗传规划应用于多组分复杂精馏过程设计。
- wide-band stepped-frequency chirp signal 宽带调频步进信号
- Experiments of multi components distillation column (MCDC) showed that the above method can detect sensor fault in processes effectively and has preferable robustness. 多组分精馏塔系统实验表明，该方法能够对过程传感器故障进行检测，并且具有较好的鲁棒性。
- The experimental results show that the method is very effective for both the multicomponent signals consisted of the LFM’s and nonlinear frequency modulation chirp signals. 实验结果表明, 该方法对由多个LFM信号构成的多分量信号和非线性调频信号都非常有效。
- stepped-frequency chirp signal (SFCS) 调频步进脉冲信号
- linear frequency-stepped chirp signal 线性调频步进信号
- Birds had begun to chirp among the trees. 鸟儿们已经开始在树林里叽叽喳喳地叫了。
