功率谱密度(Power Spectrum Density):是结构在随机动态载荷激励下响应的统计结果,是一条功率谱密度值-频率值的关系曲线,其中PSD可以是位移PSD、速度PSD、加速度PS...
基于365个网页-相关网页
功率频谱密度值(Power spectrum density, PSD) F. 加速度频谱密度值(Acceleration spectrum density, ASD) ...
基于4个网页-相关网页
phase noise power spectrum density 相位躁声功率频密度
Power Spectrum Density Estimation 功率谱密度估计
instantaneous power spectrum density 瞬时功率谱密度
Power Spectrum Density MASK 功率谱密度模板
Cross Power Spectrum Density 互功率谱
static power spectrum density 静态功率谱
noise power spectrum density 噪声功率谱密度
clutter power spectrum density 杂波功率谱
Power Spectrum Density Function 功率谱密度函数
The conventional detection and estimation methods has to achieve 6dB or higher SNR to demodulate the DSSS signals, which have low PSD(Power spectrum density) and are always submerged in noise.
常规的侦察手段至少需要有6dB以上的信噪比,才能将淹没在噪声里且功率谱密度很低的直接序列扩频信号提取出来。
参考来源 - 直接序列扩频信号检测与参数估计方法研究Aiming at the common problems about the incline of biochip image, the automatic image rotation correction is realized by analyzing the power spectrum density of image projection.
针对生物芯片扫描图象普遍存在的倾斜问题,利用图象投影的能量谱密度,实现对倾斜图象的自动校正。
参考来源 - 生物芯片图象分析方法的研究与应用·2,447,543篇论文数据,部分数据来源于NoteExpress
Meaning: The self-correlation function and power spectrum density Function of a power-typed signal compose a FT pair.
上式表明: 功率型信号的自相关函数与其功率谱密度函数构成傅立叶变换对。
We can get frequency response, power spectrum density (PSD), modal coordinates, etc. by modal analysis module of ADAMS.
利用ADAMS做模态分析,可以求得频率响应、功率谱密度(PSD)、模态坐标等信息。
With its attacking traffic pattern, obvious difference was found between the power spectrum density (PSD) of legitimate and attack traffic samples.
分析发现,合法流量和包含攻击包流量采样在功率谱密度上存在显著差异。
应用推荐