Objective To research on the feasibility and significance of the phase sensitive method in quantitive T1 measurement.
目的研究相位敏感方法应用于T1定量测量的可行性及意义。
Based on the characteristics of telemetric phase sensitive signal, two practical demodulation schemes are introduced.
根据遥测相敏信号特点,介绍两款实用解调方案。
Methods The phase sensitive method was used to remove the phase errors and restore the polarity of theinversionrecovery data .
方法采用相位敏感方法消除相位误差,保存反转恢复序列中磁化矢量的极性。
After assembling laser ranging system, it would enhance the precision of the opening altitude and increases the attack precision of the terminal phase sensitive ammunition.
把激光测距系统装配于末敏弹母弹,可以提高母弹开仓起爆高度的精确性,提高打击精度。
That phase difference from one side of the tip to the other makes the current running through the tip sensitive to changes in the phase of the orbital of the molecule below, too.
尖端两边的相的差异使得电流流过尖端,它对于下面分子轨道的相的改变非常灵敏。
Then, to improve the resolution of the STM and make it sensitive to the phase of the molecule's orbital, the researchers stuck a single carbon monoxide molecule on the metal STM tip.
然后,为了提高STM的分辨率和对分子轨道相的灵敏度,研究者们固定住一个一氧化碳分子在STM金属尖端。
But OFDM is very sensitive to frequency offset and phase noise, so synchronization is the key problem for OFDM system.
但是OFDM技术对频率偏移和相位噪声很敏感,所以同步是OFDM系统中的关键问题。
Solid phase spectrophotometry is a new, simple, fast and sensitive trace analytical method.
固相分光光度法是一种简单、快速、灵敏的新型痕量分析手段。
The results show that the interactions between Gaussian-shaped solitons are sensitive to relative amplitude and relative phase.
结果表明:高斯孤子之间的相互作用敏感地依赖于两光束间的相对振幅和相对相位。
The optic fiber sensors of phase modulation type developed by the interference theory in traditional optics are high sensitive.
根据传统光学干涉原理研制出的相位调制型光纤传感器,其突出优点是灵敏度高。
Serum amyloid a (SAA) is a sensitive reactant in the acute phase.
血清淀粉样蛋白a (SAA)是一个非常敏感的急性相反应物。
DOA estimation algorithm based on eigenvalue decomposition is very sensitive to phase error of array signal.
基于特征值分解的DOA估计算法对信号的相位误差非常敏感,因此有必要对阵元位置误差进行校正。
By combining it with the rank one phase estimation algorithm, improvement of both accuracy and efficiency can be obtained by overcoming the weakness that ROPE is sensitive to initial value.
通过将其与秩一相位估计法联合使用,克服了秩一法对初始值敏感的缺点,提高了补偿算法的精度和效率。
However, it is extremely sensitive to phase noise.
但是它对相噪极为敏感。
Computer simulations show that this kind of filter is much more sensitive as compared to a matched spatial filter or a phase-only one.
计算机模拟的结果表明,这种滤波法对输入信号的旋转变化和尺度缩放变化,相对于传统的匹配滤波法及仅相位滤波法要敏感得多。
The sensitive phase of fertility alteration of D18 and D23 occurred from the second branch differentiation phase to pollen mother cell formation.
水稻光温敏核不育系d 18和D23的育性转换的敏感期是第二次枝梗分化期到花粉母细胞形成期。
Signal subspace-based high resolution algorithms are usually sensitive to various uncertainties such as locations errors, amplitude and phase errors in the receivers etc.
基于信号子空间的超分辨方法一般对接收器阵列误差非常敏感。
As shown by experimental results, the phase of acidification is fairly sensitive to the changes of above mentioned factors while the phase of methane production is quite stable.
实验结果表明,酸化相对上述因素的变化比较敏感,产甲烷相则非常稳定。
The periodic oscillators at critical state are immune to noise and have sensitive dependence on weak sine signals or phase-coded signals at the same time.
临界混沌状态的周期振子对噪声具有免疫力,而对微弱的正弦信号或相位编码信号比较敏感。
The inertness of Fluorinert liquid FC-77 permits its use as a direct contact single and two-phase coolant in supercomputers and sensitive military electronics.
由于FC- 77的化学惰性,所以可以用于单相或者二相的冷却液,用于超级计算机系统和军用的敏感电子元器件。
The intrinsic birefringence and induced additional birefringence of SOA make optical phase shift sensitive to polarization state and give rise to unwanted effects in SOA.
SOA的固有双折射和附加双折射使得它对光波引进的相位变化具有偏振相关性,给SOA 一些应用带来不利影响。
The results show that the maximum entropy method is more sensitive to the gain and phase errors than the maximum likelihood method (MLM) and MUSIC method.
结果表明最大熵算法较最大似然估计(MLM)算法和MUSIC算法对幅相误差的影响更加敏感。
The most sensitive imaging modality for early detection of HO is three-phase bone scintigraphy which can also monitor the metabolic activity and degree of maturity of HO.
三相核素骨扫描是早期检测异位骨化的最敏感指标,并可以判断病变的活动性和成熟度。
The transformer backup protection for phase- to- phase faults is not sensitive to the few turn turn- to- turn faults of transformer.
目前变压器相间后备保护对变压器匝间故障的灵敏度不高。
Their works actually are new and fresh. Been in sensitive phase, the things he expressed maybe is fresh and directive. A live soul has pure strength when it was not polluted.
年轻人的作品实际上是非常鲜活的,他处在一个触觉非常敏锐的阶段,他表达自己有感触的东西可能是非常鲜活和直接的,一个活体灵魂在未被污染时具有的纯净的力量。
This system combines a highly insulated cooler with a liquid nitrogen reservoir so to maintain temperature sensitive samples at vapor phase temperatures.
该冷却器高度绝缘,带有液氮容器,保持样品的气相温度。
The working principle, technical specification and maintenance standard of the new WXJ25 phase-sensitive track circuit receiver were introduced in this paper.
介绍新型WXJ25型微电子相敏轨道电路接收器的工作原理,技术条件及维修标准。
It is proved that UV channel is a minimum phase system and can use blind equalizer. Ber is not sensitive to the step size and tap number for CMA blind equalizer.
还证明了紫外信道是最小相位系统,可以进行盲均衡,结果指出,只要迭代次数足够,CMA盲均衡器输出误码率与滤波器阶数、迭代步长关系不是很明显。
It is proved that UV channel is a minimum phase system and can use blind equalizer. Ber is not sensitive to the step size and tap number for CMA blind equalizer.
还证明了紫外信道是最小相位系统,可以进行盲均衡,结果指出,只要迭代次数足够,CMA盲均衡器输出误码率与滤波器阶数、迭代步长关系不是很明显。
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