cubic phase造句

• It resolves bad repeatability on preparation of high cubic phase bn thin films successfully . the
  实验制备的bn/si薄膜异质结的i-v曲线具有明显的整流特性,其正向伏安
• At 200v of substrate negative bias voltage and 300w of rf power, the content of cubic phase in bn films reaches 92.8 %
  当负偏压为200v，功率为300w时，薄膜中立方相的含量达到92.8。
• In this work, quadratic-to-cubic phase coupling is firstly defined . the feature of the fifth order cumulants is investigated
  首次提出了二三对相位耦合的概念，并研究了五阶累积量的特性。
• The refractive index ( at 632.8nm ) of cbn thin film with 92.8 % cubic phase content is measured to be2.19 by ellipsometer
  用椭偏仪测得，对于波长为632.8nm的光，立方相含量为92.8的氮化硼薄膜的折射率为2.19。
• The result has shown that it includes phase dynamic non-coupling component, pairing phase dynamic coupling one and cubic phase dynamic coupling
  该公式由无相位动态耦合分量，双对相位动态耦合分量和三次相位动态耦合分量三部分构成。
• The result shows that the quartic phase coupling component and quadratic-to-cubic phase coupling one are only extracted using the fifth order cumulants of complex signals
  研究表明：复数信号的五阶累积量是提取四次相位耦合分量、二三对相位耦合分量的必要工具。
• It seems that a pseudo cubic phase was formed . the pyrochlore phase is effectively restrained in pt / tb powders . fluorescent properties of pt / tb sol and powders were investigated
  tb离子特征荧光仅出现在pt/tb的溶胶状态体系，在粉末状态下tb离子的特征荧光显著减弱。
• The crystalline structure of film is as microcrystalline cubic phase p-sic and shows ( 111 ) preferred direction, the adsorption peak corresponds to the stretch frequency peak of si-c bond of p-sic
  傅立叶变换红外光谱(ftir)分析发现主吸收峰对应于-sic的si-c键的伸缩振动吸收。
• The study on low temperature pvd deposited sic film was carried out-m-employing bias assisted magnetron sputtering . furthermore, pvd deposited sic film mainly containing cubic phase was achieved at room temperature for . the first time
  采用偏压辅助rf溅射法，对低温物理气相沉积sic薄膜进行了研究，并首次在室温下制备出含有?sic构相并以其为主的sic薄膜。
• The crystal phase of as-deposited znte ( znte : cu ) films depends on the cu concentration in znte . znte films with un-doped cu and low cu doped ( 2.98 % ) show cubic phases with preferred orientation of ( 111 ) . heavily cu-doped films exhibit a mixture of cubic and hexagonal phases
  刚沉积的znte(znte：cu)薄膜的晶相结构取决于薄膜中的掺铜浓度，未掺铜和低掺铜(2.98)的薄膜为立方相，重掺铜(9.9)出现六方相和立方相的混合相。
• The results of dsc-tg and xrd ( x-ray diffracton ) showed that prepared gels began to transform into the strontium titanates with perobskite-type cubic phase at 600 ? by a heat treatment and the reaction was completed proximately at 800 ? . the grain sizes were smaller than 51.78nm using scherrer's formula
  dsc-tg和x射线衍射分析的结果表明，在600左右时，开始有立方钙钛矿型srtio_3生成；反应在800左右基本完成，由scherrer公式计算，粉体的粒径小于51.78nm。
• It is concluded that for cvd method the cubic phase content and adhesion are highly effected by the crystal lattice mismatch between c-bn and substrate materials, however, for sputter method the crystal lattice mismatch between c-bn and substrate materials affects the quality of c-bn thin films very little . 5 n-type doping of bn thin films and preparing of bn ( n-type ) / si ( p-type ) heterojunctions adding s into the mixture of argon and nitrogen used as working gas, we sputtered 1ibn target to deposit bn thin films so as to study the n-type doping of bn thin films, and bn ( n-type ) / si ( p-type ) heterojunctions were prepared
  5实现了氮化硼薄膜的n型掺杂，成功制备出bn型）乃…型）异质结并且首次系统研究了其卜v和cv特性我们用射频溅射法溅射六角氨化硼靶，在工作气体氮和氮中混入s，沉积氮化硼薄膜，以研究氮化硼薄膜的n型掺杂，并得到bnh型）侣i…型）异质结。
• Either the boron nitride ( bn ) thin films with different cubic phase content were deposited on n-type si ( 111 ) and fused silica substrates by radio frequency ( rf ) sputtering using two-stage deposition process . the films were characterized by fourier transform infrared ( ftir ) spectroscopy . the transmittance te ( ) and reflectance re ( ) were obtained as a function of incident photo wavelengths and the thickness of films was measured by alpha-step . the absorption coefficient was calculated from te ( ) and re ( ) . the optical band gap ( eg ) of the films was determined by effective medium form of formula containing eg
  本文还研究了立方相含量与光学带隙的关系，在n型si(111)片和熔融石英片上沉积出不同体积分数的立方氮化硼薄膜，薄膜的成分由傅立叶红外吸收谱标识；用紫外-可见分光光度计测量了沉积在石英片上的bn薄膜的透射光谱te()和反射光谱re()，薄膜的厚度用台阶仪测得。
• The spurious peaks of the cubic phase function ( cpf ) for multicomponent is first identified by theory and by simulations and hence the identifiability problem arises . by exploiting the different dependence of auto-terms and cross-terms on time, the product cubic phase function is proposed to resolve the identifiability problem
  5.提出了广义三次相位函数,推出了基于广义三次相位函数的二次调频信号参数估计方法,通过一阶扰动分析导出了广义三次相位函数的理论性能。
• The spurious peaks of the cubic phase function ( cpf ) for multicomponent is first identified by theory and by simulations and hence the identifiability problem arises . by exploiting the different dependence of auto-terms and cross-terms on time, the product cubic phase function is proposed to resolve the identifiability problem
  5.提出了广义三次相位函数,推出了基于广义三次相位函数的二次调频信号参数估计方法,通过一阶扰动分析导出了广义三次相位函数的理论性能。
• Base on two-stage approach, we adjust experimental parameter to develop a new method ( three-stage approach ) to prepare c-bn thin films . the study proves that it is favorable to prepare bn thin films of high cubic phase content . depositing time and substrate bias voltage in the first stage are 5 min and-180v respectively
  根据si片上bn薄膜的反射光谱r()和熔融石英片上bn薄膜的反射光谱r()和透射光谱t()各自独立的计算了bn薄膜的光学带隙,利用两种方法分别计算立方相含量均约为55%的bn薄膜的禁带宽度为5.38ev和5.4ev,其结果均和由经验公式计算得到的结果非常接近。
• When the contents of the pb is larger than that of the sr, the crystalline phase structures is changed from the cubic phase structure to the tetragonal stucture . in another words, the tc temperature will increase with the pb contents, when the pb contends is equal to the sr contends, the tc temperatue is at about room temperature
  当pb的含量超过sr的含量时，室温下的晶体结构发生变化，由原来的立方相结构变成四方相结构，也即居里点温度随pb的含量增加而提高，铅和锶的含量相等时居里点出现在室温附近。
• The fairly well imaging results indicate that the range-doppler algorithm is effective on the condition of side-looking withoat squillt . after that, we discussed some sources of motion errors and introduced the influence of phase errors to imaging, and came to an conclusion that phase errors is one of the dominating reasons decreasing imaging quality in this dissertation, the experiments of point target imaging were done to explain the problem aroused by quadratic and cubic phase errors influent the imaging . in order to effectively eliminate or reduce the influence of motion ermrs to imaging, thiee representative autofocus a1gorithjns were discussed, i . e . map drift, shift and correlation, phase gradient autofocus
  本论文就是以研究运动误差补偿为目的，首先分析了合成孔径雷达的基本原理及其成像原理，应用距离一多普勒（rd）成像算法对机载l波段sar实际数据进行了成像，表明rd算法对正侧视的sar数据成像是有效的；然后研究了由运动误差引起的相位误差对成像的影响，得到的结论是：回波数据中的相位误差是导致雷达图象质量下降的主要原因之一；重点针对二阶相位误差的补偿问题，研究了三种具有代表性的自动聚焦算法，用点目标实现了仿真并对实际数据进行了自动聚焦处理，经过自动聚焦前后结果的比较和分析，可以看出：子孔径相关法（mapnrift）对二次相位误差估计比较精确、移频相关法侣hiftandcorrelation）对数据处理速度快、而相位梯度法（phas。