spectrum density造句
例句與造句
- The formula based on spectrum density is given
推導出基于圖像頻譜密度的響應(yīng)公式。 - Phase noise power spectrum density
相位躁聲功率頻密度 - Power spectrum density
功率譜密度 - Object ' s through signature simulation based on power spectrum density estimation
基于功率譜估計的艦船噪聲特征提取及聲場通過特性仿真 - Analysis of evolutionary power spectra density function of ground motion induced by blasting seismic
爆破地震地面運動的演變功率譜密度函數(shù)分析 - It's difficult to find spectrum density in a sentence. 用spectrum density造句挺難的
- For the next , it studies the theory of auto - cross spectrum density method and stochastic subspace identification method
其次,研究了自互譜法和隨機子空間法的理論。 - In the end of this chapter , the power spectrum density ( psd ) analysis of hrg is given , which shows that the main noise of hrg is low frequency noise
論文還對陀螺信號進行了功率譜密度分析,分析結(jié)果表明陀螺的主要誤差都集中在低頻段。 - At last , the validity and the superiority of boundary - spectrum are improved by contrasting with power spectrum density ( psd ) to analyze tested data
同時通過實驗信號的局域波邊界譜和功率譜分析比較，突出了局域波邊界譜分析的可行性和優(yōu)點。 - 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
針對生物芯片掃描圖象普遍存在的傾斜問題，利用圖象投影的能量譜密度，實現(xiàn)對傾斜圖象的自動校正。 - On the basis of this solution , this paper gives the sound pressure spectrum densities of broad band and harmonic sources , and then discusses the characteristics of these sound fields respectively in detail
在此解基礎(chǔ)上，本文得到寬頻源和簡諧源的近場聲壓譜密度，指出此2種聲源近聲場各自的特點及源的旋轉(zhuǎn)半徑和軸向位置對聲場結(jié)構(gòu)的影響。 - By deducing the theory of this method , it comes to a conclusion that auto - cross spectrum density method is much the same as peak picking method based on frequency response function . and it also talks about the virtues and defects of the method
本文通過對相關(guān)理論的推導,說明了自互譜法與基于頻響函數(shù)的峰值攝取法是近似相通的,同時對該方法的優(yōu)缺點作了敘述。 - The fluctuating omnidirectional wind pressure power spectrum density ( psd ) of some typical locations and the frequency domain coherence property of the fluctuating wind pressure between different tapping positions at different wind directions were measured and discussed
文中進一步測量并討論分析了屋蓋上典型測點脈動風壓的頻譜特性以及空間不同位置之間的相干特性。 - Simulink and analysis about balanced gold code from correlation and power spectrum density curve are processed . at the same time , simulink experiment of ber performance on the base of theory analysis using designed spread spectrum system model
在碼序列的互相關(guān)性和功率譜密度分布上對平衡gold碼進行了仿真和分析，同時在構(gòu)建的擴頻系統(tǒng)上對理論分析進行了誤碼性能的仿真。 - A sorting method of the helicopter noise sources is given . the temporal waveform and spectrum of the noise signature is analyzed . at last , the sound pressure spectrum density level is estimated with the experimental data taken from a specific navy helicopter
扼要闡述了直升機噪聲的產(chǎn)生和分類，考察了直升機信號的波形和頻譜特征，并對特定的直升機噪聲的聲壓譜密度級進行了計算。 - Additionally , since direct spread spectrum sequence ( dsss ) signal has an ultra - low power spectrum density , finding approaches to detect it and estimate its parameters in the non - cooperative communication system is a great challenge for applications
另外, dsss信號由于具有極低的功率譜密度,如何在非協(xié)作通信中不知道擴頻序列的前提下對其進行檢測和估計,是一個具有很強應(yīng)用背景的課題。
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