您要查找的是不是：
- time domain and nonlinear 时域非线性
- The motion equation of the structure is in both time domain and Laplace domain. 在时间域和拉氏域内建立了它的动力学方程.
- According to the dynamic electrocardiogram (DCG) at the 24th hour, the frequency domain and time domain of HRV were analyzed. 根据24h动态心电图,进行心率变异性的时域及频域分析。
- The influence of structure-soil interaction (SSI) on identification of damage to structure was studied using time domain and least-square methods. 摘要在时间域内，采用最小二乘法，研究了结构-岩土相互作用(SSI)对损伤识别的影响。
- The time domain and frequency domain analysis methods were used to verify the simplified model of the Nimu arch bridge in Tibet as an example. 以西藏尼木大桥作为算例，通过频域分析和时域分析来验证降阶模型的有效性。
- Then a planar blind search algorithm based on frequency domain and time domain, which can autoscan all the frequency point and symbol rate. 接着提出了一种基于频域和时域的二维盲扫算法,可以实现全频段的高速高效频点及符号率的自动搜索。
- After the PPM modulation ultra-wide band signal after the Gauss white noise channel system simulation, and give the time domain and the frequency range chart! 经PPM调制的超宽带信号经高斯白噪声信道的系统仿真,给出了时域和频域图
- JPEG2000 utilizes DWT which hassuperior analyzing performance in Time Domain and Frequency Domain to correctthe defect of DCT adopted by JPEG such as Blocking Effect. JPEG2000利用时频域局部化分析性能良好的离散小波变换(DWT)的优点改进了原JPEG标准中离散余弦变换(DCT)编码所固有的许多不足之处,如方块效应等。
- This method firstly filters complicated background noise with a band_pass filter,then macks prediction in time domain and affirm alarm in frequency domain. 该方法首先将背景噪声带通滤波，然后对信号时域预报警及频域报警确认。
- Adopting the method of time domain and frequency range, the breakdown characteristic signal is analyzed, and the information of the abnormal state of valve clearance is obtained. 并采用时域，频域的分析方法对故障特征信号进行分析，从而得到气门间隙异常状态的信息。
- It is found that the difference of the characteristics of photoacoustic signals in time domain and in frequency domain between various tissues is very obvious. 结果表明：不同生物组织产生的光声信号的时域和频域特徵均存在明显的差异；
- Common methods classify animals by their difference in sound pulse rate, wave form structure in time domain and main peak frequency in frequency domain et cetera. 传统的鸣声分类时一般依据不同种动物鸣声信号在时域波形上的波形结构和脉冲率等的不同，功率谱上相对幅度最大所对应的频率即主频的不同来进行分类。
- Firstly,phonemes should be extracted on the time domain,the frequency domain and energy then the combination character of each sample and map figure were calculated. 首先对语音音素进行时域、频域、能量值的提取,然后通过计算得到每个采样点的组合特征值,描绘成图像。
- A graphical method is applied to obtain the exact gain crossover frequency at which the time domain and phase margin specifications are satisfied, simultaneously. 为了获得能同时满足时域性能指标和相角裕度性能指标的被控对象准确的转折角频率，采用了一种简单易行的图解方法。
- Three kinds of OCT, time domain, frequency domain and functional, were discussed, the imaging theory of each was introduced and their endoscopic version were described. 分时域、频域和功能OCT三部分进行讨论，简述每种OCT的成像原理，分析它们各自的特点，提出每一类OCT技术与内窥镜结合的结构简图。
- Using the transform relation connecting time domain and frequency domain and the constitutive relation,the differential equations of double negative material(DNM) is obtained. 由双负介质的本构关系出发,利用时频转换关系,推导出了描述双负介质中电磁场与电磁流的微分方程组。
- The application of Resistance based signal coupling method is introduced particularly by step disturbance in time domain and PRBS disturbance in frequency domain. 通过时域法的阶跃扰动和频域法的PRBS扰动,详细介绍了电阻耦合装置在实际发电机励磁系统参数辨识中的应用。
- The identification method that distinguishes signal amplitude, width in time domain and shape dimension of target is put forward according to the characteristics of targets. 根据目标特性，提出了综合判别时域内目标信号幅度、宽度及目标外形尺寸的识别方法；
- E.S.KUH, C.A.DESOER, L.O.CHUA, LINEAR AND NONLINEAR CIRCUITS. 1984. 江泽佳主编，周守昌、彭扬烈、吴宁修订，电路原理（第二版）(上、下册)，高等教育出版社,1985年。
- The application software for VI can be runed to display the waveform of time domain and frequency domain.The software gives a friendly interface and makes operation easily. 在应用程序的设计上，完成的虚拟仪器软件能够显示时域和频域波形，界面友好，操作方便；
