For instance, let's consider the sine wave, or sinusoid, a mathematical function that describes a smooth repetitive oscillation.
例如，让我们考虑一下正弦波，也即正弦曲线这样一个描述平稳反复振荡的数学函数。
The measurement method of sinusoid parameters is presented.
给出了一种同时测量正弦波参数的方法。
A new method for estimating the frequency of a sinusoid signal is proposed.
提出了一种新的正弦信号频率估计方法。
Lymphocyte, fibroblast and sinusoid endotheliocyte were stained positively.
淋巴细胞、成纤维细胞及血窦内皮细胞染色阳性。
When sinusoid signal is inputted, we measured the frequency response range of this circuit.
利用正弦波作为输入信号时，测出了此驱动电路的频率响应范围。
Besides, the position tracking control of USM for triangle and sinusoid is studied by means of P-control.
采用比例控制算法研究行波超声波电机对三角波、正弦波曲线的快速位置轨迹控制。
Results There was no difference of the weight and the form of cell and sinusoid under the LM in pituitary.
结果各组垂体重量及光镜下窦样毛细血管和细胞均无明显差异。
The method of digit synthesis for sinusoid signal is studied, also a new digit synthesis method is advanced.
对正弦信号数字合成方法进行了研究，并提出了一种新的数字合成方法。
Constant current charging by switch control is the main method to generate non-sinusoid oscillation waveform.
采用开关元件控制的恒流充放电是产生稳定非正弦振荡波的主要方法。
A method for estimating the frequency of a complex sinusoid in additive complex white Gaussian noise is proposed.
本文提出了一种在加性复高斯白噪声中对单频复正弦信号频率的估计方法。
The computer simulation on stochastic road irregularities is performed based on the sinusoid superposition method.
在正弦波叠加模型的基础上进行了随机路面谱的计算机模拟。
This dissertation is devoted to the study of noise suppression, sinusoid signal parameters estimation and detection.
本文致力于研究噪声抵消、正弦信号检测及参数估计等问题。
Penalty function based method is a very effective method to estimate the number of sinusoid in presence of additive noise.
在加性噪声情形下，惩罚函数方法是一种简洁有效的谐波信号个数估计方法。
The low expression of Fibronectin and Laminin plays an important role in the pathogenesis of the abnormal sinusoid wall in OCH.
纤维连接蛋白和层粘连蛋白低表达在血窦壁异常结构形成中有重要作用。
Signals with sinusoid modulated phase is the general form of micro-Doppler signals in radar echoes from targets with micro-motions.
正弦调制相位信号是微动目标雷达回波微多普勒信号的一般形式。
The FFT is a match filter for sinusoid signal, and the band width of the match filter will decrease with increase in integrated time .
FFT对于正弦信号而言是匹配滤波器，随着积累时间的增加匹配滤波器的带宽会随之减少。
Conclusions: in vitro sinusoid endothelial cells could spontaneously immortalize. Some biological characteristics of immortalized cells changed.
结论：肝窦状内皮细胞在体外培养条件下自发永生化。
In the no-load test of transformer, because of the low power factor and non-sinusoid current waveform, the high precision measurement is difficult.
变压器的空载试验中，由于功率因数低，空载电流不是正弦信号，高精度测量其有功功率具有一定的难度。
Result: the abnormal development of some hepatocytes and hepatic sinusoid was induced by the abnormal development of nervous system of anencephaly fetus.
结果：无脑儿肝脏的肝细胞和肝血窦出现异常。
A digital frequency synthesizer without ROM look up table is presented, a piecewise linear interpolation scheme is used to approximate a sinusoid function.
该方法使用具有分段连续的线性分段来近似正弦函数曲线的第一象限部分，根据正弦曲线的对称性，构成完整的正弦曲线。
The number of finger microvilli of hepatocyte's surface in hepatic sinusoid in hibernation period is fewer significantly than that in initial post-hibernation.
冬眠期肝血窦内肝细胞表面的微绒毛数目明显少于出眠初期。
A simple and useful evaluation method for the single scanning sampling rates of data acquisition system is presented. It utilizes the sinusoid curve fit method.
介绍了数据采集系统单扫描采集速率的一种简单实用的精确评价方法，即正弦波曲线拟合法。
The bridge was actuated by sinusoid sweeping frequency wave, and then the power spectral density differences between the undamaged and damaged bridge were analyzed.
利用正弦扫频波激振钢桥，分析其损伤前后加速度反应功率谱密度的变化。
Objective: To study the morphologic change of hepatic sinusoid endothelium during ET-1 induced portal hypertension in rats and its intervention by Salvianolic-acid b.
目的：探讨肝窦内皮在内皮素- 1 (et - 1)诱导大鼠门脉高压以及丹酚酸b干预过程中的变化。
In this method, the echo of the synthesized equivalent micro-motion point is obtained by modulating the phase of intercepted radar signal with sinusoid in the slow time.
该方法通过对截获的雷达发射信号在慢时间域进行正弦相位调制，得到了等效微动点的回波信号。
VEGF was mainly secreted by hepatocytes, and was also positively expressed in liver sinusoid endothelial cells, fat-storing cells, myofibroblast and monomorphic nucleus cells.
VEGF主要由肝细胞分泌，其次在肝窦内皮细胞、贮脂细胞、成肌纤维细胞及单型核细胞也示阳性。
In this paper, based on a narrow IIR BPF cascaded by an adaptive FIR filter, a novel fast adaptive algorithm for sinusoid frequency detection in noisy environment is depicted.
提出一种新的自适应算法估计被噪声污染的正弦波信号的频率，依据IIR窄带滤波器和自适应FIR滤波器的级联，形成快速有效的自适应算法。
According to the results of FEA and clinical data, a new structural NiTi stent is designed. The stent is composed of the sinusoid-like element supporting frame and short struts.
根据有限元分析结果及临床尺寸，设计了一种新型结构的镍钛合金支架，新型支架结构采用类正弦单元环加短直筋相连。
As pre-osteoblastic, peri-endothelial cells residing at the sinusoid wall, skeletal progenitors reconcile the notions of "osteoblastic" and "sinusoidal" niches with one another.
作为血窦屏障中驻留的前骨细胞和周围内皮细胞，骨前体统一了成骨细胞壁龛和窦状隙壁龛两个概念。
As pre-osteoblastic, peri-endothelial cells residing at the sinusoid wall, skeletal progenitors reconcile the notions of "osteoblastic" and "sinusoidal" niches with one another.
作为血窦屏障中驻留的前骨细胞和周围内皮细胞，骨前体统一了成骨细胞壁龛和窦状隙壁龛两个概念。
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