- 更多网络例句与谐波曲线相关的网络例句 [注:此内容来源于网络,仅供参考]
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Steady Region(1),Transition Region(2),Resonance Region(3),and Antiresonance Region,just like thatprogressive wave field can be described by three regions in spacialdomain.
二次谐波声压级变化曲线可用一初等函数近似描述。
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For example, to take a guess at tall odd order harmonics, draw an imaginary curve from the fundamental to the F3 and F5, and it's almost guaranteed that the F7 and F9 are going to fall close to where that curve extends.
例如,要采取高奇次谐波猜测,借助根本性的F3和F5一个假想的曲线,这几乎保证了F7和F9键将要下降接近如该曲线延伸。
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The wave of the harmonic winding voltage and the no-load characteristics curve of the harmonic excited synchronous generator.
得出了谐波励磁同步发电机的旋转磁场波形、谐波绕组电压波形以及谐波绕组空载特性曲线。
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Not only it can display all stable state parameter, but also the load increase quickly, load decrease quickly, voltage, current, frequency curve, voltage curve, current harmonic curve and harmonic content.
不仅可以召测所有稳态参数,还能召测突加、突卸、电压、电流、频率曲线,及电压、电流谐波曲线及谐波含量。
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The curve of third harmonic sound pressure level(SPL3)is alsoa "periodic function".The period length is about"first resonancefrequency" of the tube Δf=f0=c0/(2L).The magnitude of SPL3 canbe predicted by Coppens theory(with one of the parameters modified).
三次谐波声压级变化曲线为一"准周期"函数,周期长度为驻波管的第一共振频率值Δf=f0=C0/2L,用Coppens所推导的"共振"时公式,计算三次谐波共振峰的量值,表明仍存在差异,只有经过参数修正才能所得结果。
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Results indicate that:(1) by using HANTS, the researchers could get the EVI/NDVI harmonic curves, the mean VIs and the amplitude of the harmonics which then were utilized in the identification of the cultivated land, and EVI appeared to be more precise, with the overall accuracies of 97.17% and 95.99% and Kappa coefficients of 0.7938 and 0.6518, respectively.(2) Multiple cropping index was extracted by counting the number of the curve's peak; and when the threshold of the peak value of the NDVI and EVI curves were set as 0.25 and 0.20, respectively, the fallow land could be well figured out.(3) From harmonic curves, some eigenvalues, such as time of the maximum growth rate, time of peak and the value of peak can be extracted, based on which the crop types can be primarily distinguished. And EVI still performed better than NDVI in this section.
结果显示:(1)利用傅立叶谐波变换得到的EVI和NDVI时间谱曲线的谐波余项及谐波振幅对耕地进行识别,从识别精度来看,EVI要优于NDVI,识别精度分别为97.17%和 95.99%,Kappa系数分别达到0.7938和0.6518;(2)通过计算时间序列曲线的波峰数能够提取耕地的复种指数,并且在EVI和NDVI曲线波峰阈值分别设为0.20和0.25时,休耕地能较为准确地被识别出来;(3)通过提取作物生长期内曲线的VI最大增长速率时间点以及峰值时间点等信息,作物种类能被初步识别,并且EVI较NDVI具有更强的识别能力。
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On the base of these tested results and other experimental data of environment temperature, main factors which affect the temperature distribution are analyzed, the viewpoint that periodical environment temperature can be simplified as a syntonic curve is presented.
在现场试验研究和其它环境温度的大量实测资料的基础上,对影响预应力混凝土构件内部温度分布的主要因素进行分析,提出了周期性变化的环境温度可在数学上简化为一条简谐波曲线。
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In the end, the waveform and value of electrical potential of winding and armature reaction property curve are gained through electromagnet field calculation, and compare it with the calculation result.
最后,对谐波励磁同步发电机的负载运行进行了计算,得到了基波绕组和谐波绕组的电压大小和波形以及电枢反应特性曲线。
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The results showed that the echolocation calls of the leaf-nosed bats were constant frequency-frequency modulation signals with 2-3 harmonics and the second one among these three harmonics was its dominant frequency. The constant frequency components of three harmonics (Mean±SD, n=18 ) were 33.3±0.2 kHz, 66.5±0.3 kHz, and 99.4±0.5 kHz, respectively. In examined FTCs of 72 IC neurons, their Q 10 -dB values ranged from 0.5 to 95.4 (9.2±14.6) and the neurons whose best frequency around the dominant frequency had sharp frequency tuning.
结果发现,大蹄蝠回声定位叫声为恒频-调频(constant frequency-frequency modulated,CF-FM)信号,一般含有2~3个谐波,第二谐波为其主频,CF成分频率(Mean±SD,n=18)依次为:(33.3±0.2)、(66.5±0.3)、(99.4±0.5)kHz;电生理实验共获得72个神经元的频率调谐曲线,Q10-dB值的范围是0.5~95.4(9.2±14.6, n=72),最佳频率(best frequency,BF)在回声定位主频附近的神经元具有尖锐的频率调谐特性。
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That is,(1),Angle-tuning curve in thex-zplanefor a type II KTP OPG process phase—matched pumped by a1.064μm Nd:YAG beam and(2),Tuning curves for a 532nm pump(second harmonlcof Nd:YAG)for COllinear type II phase matching in thex-y,plane(θ=90°),they-zplaneand thex-zplaneIn addition,from the Sellmeierequations,the walk-off and group velocity dispersion effects were also calculated.
计算得出,(1)Nd:YAG1.064μm泵浦的KTP晶体在x-z调谐面内的II类相位匹配的角度调谐曲线;(2)Nd:YAG二次谐波532nm泵浦的KTP参量器件在x-y,y-z以及x-z调谐面内的II类共线相位匹配的角度调谐曲线。
- 更多网络解释与谐波曲线相关的网络解释 [注:此内容来源于网络,仅供参考]
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harmonic curve:谐波曲线
harmonic component 谐波分量 | harmonic curve 谐波曲线 | harmonic distorsion 谐波畸变
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harmonic curve:谐和曲线
谐和等化器,谐波等化器 harmonic balancer | 谐和曲线 harmonic curve | 谐和循环 harmonic cycle
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harmonic balancer:谐和等化器,谐波等化器
谐和分析,谐波分析 harmonic analysis | 谐和等化器,谐波等化器 harmonic balancer | 谐和曲线 harmonic curve
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Equaliser:(均衡器)
均衡器(EQUALISER)是对声信号频率响应及振幅进行调整的电声处理设备. 它可以改变声音中基波与谐波的成份比、频响特性曲线、频带宽度等,频率均衡器广泛用于各种音响系统,如厅堂扩音放音系统、广播录音系统以及家庭音响系统. 在录音(指同期录音和多轨前期录音)和后期加