We obtain the different characteristics and sensitivity frequency in frequency domain and the signal has b.
從比較成熟的有限元基本理論出發(fā),建立了具有吸收邊界的二維有限元模擬模型,對不同大小的裂紋、方形橫穿孔、圓柱形橫穿孔三種典型缺陷的模型進行了模擬研究;通過對截取的時域A-掃描曲線上缺陷和底面回波進行頻譜分析,所得到的不同缺陷的頻域特征量和缺陷敏感頻率可以識別出文中所述各種缺陷;應(yīng)用有限元模擬方法所得的結(jié)果對實際應(yīng)用有一定的參考意義。
Modulation of frequency receptive field plasticity in rat auditory cortical neurons by electrical stimulation of medial prefrontal cortex;
電刺激大鼠內(nèi)側(cè)額葉前皮質(zhì)對聽皮層神經(jīng)元頻率感受野可塑性的調(diào)制(英文)
We found all frequency receptive fields of neurons reduced and the MT increased obviously(P<0.
本實驗在自由聲場條件下,以閾上5 dB強度,神經(jīng)元最佳頻率(best frequency,BF)純音作為掩蔽聲,其時程分別為40、60、80和100 ms,觀察掩蔽聲對探測聲頻率感受野的影響,結(jié)果發(fā)現(xiàn)給不同時程的掩蔽聲后,全部神經(jīng)元的頻率感受野都明顯減小,P<0。
Frequency sensitivities obtained from a defect-free finite element model are applied to calculate the theoretical frequency changes.
基于頻率敏感度和振型,在損傷定位準則的基礎(chǔ)上,提出一種確定圓柱殼中損傷位置和程度的方法。
Vibration frequency sensor for measuring simple harmonic oscillation frequency;
一種可測量簡諧振蕩頻率的振動頻率傳感器
DFT Phase Estimation Algorithm and Noise Sensitive Frequency Region
DFT相位估計算法及噪聲敏感頻率問題分析
Sensitivity of Natural Frequencies of Hull Plated Grillage and its Practical Method of Calculation
船體板架固有頻率的敏感性及實用計算方法
A concentration of receptor cells in their inner ear makes bats extremely sensitive to frequency changes.
一些蝙蝠內(nèi)耳里的受體細胞的集中使它們對頻率的變化極其敏感。
THE SEASONAL DYNAMICS OF THE INSENSITIVE INDIVIDUAL FREQUENCY OF AChE IN MUSCA DOMESTICA IN BEIJING
北京不同城區(qū)家蠅種群乙酰膽堿酯酶不敏感個體頻率季節(jié)變化
3G Evolution Focus-Analysis and Discussion about Frequency Planning,Some Sensitive Issues and Development Strategy;
3G演進聚焦——頻率規(guī)劃、一些敏感問題及發(fā)展策略的分析討論
interest (rate) sensitivity: Rate-sensitive assets as a percentage of rate-sensitive liabilities
利息(率)敏感性: 利率敏感性資產(chǎn)對利率敏感性負債的百分比。
Tetracycline sensitive is the worst sensitive (22.2%).
四環(huán)素敏感性最差,其敏感率為22.2%。
A DC transmission line is inherently an asynchronous tie that is insensitive to the power angles and frequencies of the interconnected AU systems.
直流線路屬于一種對所被聯(lián)接交流系統(tǒng)的功角和頻率不敏感的異步聯(lián)接。
The field tester should compare successive readings across the frequency range against a typical pass/ fail line, such as the Class D specification.
當(dāng)總體的磁場強度變化時，它明顯的上下變化，這是因為雙絞線對較高的頻率不敏感。
So checkerboard stimulus is more sensitive and reliable in clinical examination of amblyopia at middle and high space frequencies.
在臨床上,用中、高空間頻率的棋盤格刺激產(chǎn)生的視覺誘發(fā)電位反應(yīng)來檢查弱視更敏感、更可靠。
LIGO and the other ground-based detectors are sensitive to frequencies from a few tens of Hertz (cycles per second) to a few thousand Hertz.
LIGO和其它的地基探測器對從幾十赫茲（每秒的周期數(shù)）到幾千赫茲的頻率都是敏感的。
impedance respiratory frequency transducer/sensor
阻抗式呼吸頻率傳感器
frequency crucible induction melting furnace
頻率坩堝感應(yīng)熔煉爐
Probability Density Function of Voltage Sag Sensitivity and Its Application
敏感負荷電壓凹陷敏感度概率密度函數(shù)及應(yīng)用
Very low frequency (VLF) magnetic field susceptibility and emission tests of video display unit (VDU)
視頻顯示器的極低頻磁場敏感度和輻射測量
A Sensitivity Analysis of Income Tax Rate Changes On Listed Company;
上市公司所得稅率變化的敏感性分析
Calbration and Sensitive Analysis on the Parameters of the WASP Model
WASP模型參數(shù)率定與敏感性分析
Strain-rate and Temperature Sensitivity Coefficient for TC11 Titanium Alloy
TC11鈦合金應(yīng)變速率和溫度敏感系數(shù)