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- positive frequency modulation 正调频
- Frequency modulation does not allow static to creep in. 频率调制不允许静电干扰混入。
- Frequency modulation is not possible with polychromatic light. 多色光不可能调制频率。
- The figure below illustrates a simple frequency modulation architecture. 下面的图表列举了一个简单的调频结构体系。
- A method of representing data in magnetizable surface storage; for example,"modified frequency modulation". 在磁表面存储技术中一种表示数据的方法,例如改进型调频制。
- The positive frequency of methylation of P16 gene promoter in HPP-CFC of normal contrasts was higher than that of psoriatic patients. 正常对照骨髓HPP-CFC P16基因启动子甲基化阳性率较高,而银屑病患者骨髓HPP-CFC P16基因启动子甲基化阳性率低于正常人。
- In 15 normal serum samples,the false positive frequency of HPV DNA was 0/15(0%)and 1/15(6.67%)by using DDH and PCR methods respectively. 1 5例正常人血清中 ,以DDH方法检测 ,HPV感染的假阳性率为 0%25 ;
- A large proton synchrotron,uses frequency modulation of an electric field to accelerate protons. 一种大的质子同步加速器,用电域的调频加速质子。
- A method of representing data in magnetizable surface storage;for example, " modified frequency modulation" . 在磁表面存储技术中一种表示数据的方法,例如改进型调频制。
- American engineer and inventor whose improvements to radio communication included the development of frequency modulation(1933). 阿姆斯壮,奈尔·奥尔登生于1930美国宇航员,他森身为阿波罗11号指挥官,成为第一个登上月球的人(1969年7月20日)
- It is also required that the power station shall be capable of moderating with load peak, frequency modulation. 要求该电厂有调峰、调频的能力。
- A method of representing data in magnetizable surface storage;for example"modified frequency modulation. 在磁表面存储技术中一种表示数据的方法,例如改进型调频制。
- A method of representing data in magnetizable surface storage; for example, "modified frequency modulation". 在磁表面存储技术中一种表示数据的方法,例如改进型调频制。
- Frequency modulation offers an effective parameter for spectral evolution: the modulation index (i). 能够控制声音的时变频谱要素对声音合成来说是至关重要的。
- Positive frequencies are produced by anticlockwise rotation and negative frequencies by clockwise rotation. 正频率是用逆时针旋转来产生,而负频率是用顺时针旋转来产生。
- A Pseudorandom Code Phase Modulation and Sinewave Frequency Modulation Combined Fuse. 伪随机码调相与正弦调频复合引信
- Results:The serum HBV infection markers in all cases were positive.The positive frequency of HBV antigen of glomeruli was 90.0%.The HBV-DNA on glomeruli were all positive in 4 cases. 结果:全部病例血清HBV标志物阳性,肾组织HBV抗原阳性率达90.;9%25,4例肾组织HBV-DNA均阳性。
- The range of frequency modulation has now been shifted, and energies from the outside are working to alter the planet. 频率调整范围现在已经改变,并且从外界而来的能量正运转来改变行星。
- The fundamental principle of sub-carrier frequency modulation used for FBG array interrogation is analyzed. 分析了副载波调频技术用于光纤光栅阵列查询的基本原理。
- Linear frequency modulation (LFM) interferences may be a kind of preferred wideband interferences in spread-spectrum. 摘要线性调频(LFM)是扩频系统中常见的一种宽带干扰样式。