1. The dissertation focuses on the study of phase-only modulations of liquid crystal spatial light modulators and their applications.
本论文主要研究液晶空间光调制器的纯相位调制和它们的应用。
2. The modulations of beta-catenin and caspase-3 levels were investigated in the KM mouse embryo following maternal treatment with a single oral dose of 30mg/kg body weight of RA during the neurula period.
流行病学研究显示,在胚胎发育过程中摄入过多维甲酸可致各种发育缺陷,其中神经管畸形最为常见。
3. Do you hear modulations in this music?
你听到这个乐曲的转调了吗?
4. The method decomposes emitter signals based on matching pursuit in Gabor and Chirplet atom dictionaries using a modified differential evolution algorithm. Then both the energy of the first decomposed atoms and the frequency parameters of the decomposed Gabor atoms are utilized to extract two correlation ratio features and a frequency variance feature. These features are used as the classification features to recognize different intra-pulse modulations of emitter signals by constructing a directed acyclic graph support vector machine classifier.
该方法首先利用稀疏分解原理和改进差分进化算法将辐射源信号在Gabor和Chirplet时频原子库中进行分解,然后利用分解后的首原子能量和Gabor原子中心频率参数分别提取出2个相似比特征和1个频率方差特征作为辐射源信号脉内调制类型的分类特征,最后通过构造有向循环图支持向量机分类器实现雷达辐射源信号的分类识别。
5. The HP 8780A vector signal generator is well suited for receiver measurements where wideband or complex modulations are required.
惠普8780a 矢量信号发生器是非常适合用于接收器测量而宽带或复杂的调制方式要求。
6. It will present the system of guitar chords and their applications on the piano and keyboard, transitions, modulations, and styles of accompaniment as time allows.
内容包括吉他和弦在键盘乐器上的运用、转调、诗歌连接处理、及不同风格的司琴法。
7. Modulations在线翻译
7. Alternatively, the un-modulated transmit frequency signal serves as the carrier signal input to a quadrature modulator, which imparts I/Q modulations to it, thereby producing a modulated carrier signal for input to a linear power amplifier.
备选地,未调制发射频率信号用作正交调制器的载波信号输入,正交调制器对它施加I/Q调制,由此产生用于输入到线性功率放大器的调制载波信号。
8. And then discussed the modulations of the baseband signal relative to the network, including two level FSK and GMSK, and it also introduced the data format of DSC.
接着论述了组网相关基带信号的调制方式。
9. 公共查询·英语单词
9. Generalized M2 factor of laser beams with amplitude modulations and phase distortion passing through hard-edge apertures.
有振幅调制和相位畸变光束通过硬边光阑的M2因子。
10. Modulations是什么意思
10. Generalized M~2 Factor of Laser Beams with Amplitude Modulations and Phase Distortion Passing Through Hard-Edge Apertures
有振幅调制和相位畸变光束通过硬边光阑的M~2因子
11. Modulations
11. Normally MMPs exist as zymogen in the inactive form and their modulations are controlled at multi-levels. Their activations are mediated by serine protease or fibrinase. In addition, they can also be activated by autocatalysis and modulated by their specific tissue inhibitor of MMPs (TIMPs).
通常情况下,MMPs受多层次的调控并以酶原的形式存在,激活过程受丝氨酸蛋白酶或纤维蛋白酶的介导,也可以自主催化激活,此外还受其特异性组织抑制剂(TIMPs)的调节。
12. The result show that the modulations of axial intensity of ELGBs diffracted by the serrated aperture can be suppressed, the transversal intensity distributions become more uniform and the filling factor is also increased.
分析得经波纹光阑后复宗量拉盖尔-高斯光束轴上的衍射调制被抑制,横向光强分布更均匀,同时填充因子也增大了。
13. 公共查询·英语单词大全
13. It uses the constant amplitude property of inphase and quadrature components of these modulations to achieve an improved performance.
它在这些调制信号中使用了同相和正交分量的恒定振幅属性来确保性能的提高。
14. Exact close-form expressions of the outage probability and error rate for the M-ary QAM and PSK modulations and the sum-rate capacity expression for arbitrary numbers of transmit and receive antennas are derived. The analytical results are verified through simulation results.
推导了采用多进制QAM和PSK调制的中断概率和误码率的表达式和渐近形式,以及针对任意数目发射和接收天线的总速率容量表达式,并通过仿真验证了理论分析的正确性。
15. Modulations是什么意思
15. There are two power/signal frequency division composite modulations: PWM/FSK modulation and PWM/PSK modulation.
功率信号频分复合调制有两种基本方法:PWM/FSK调制和PWM/PSK调制。
16. Focus on the research of the sine wave magneto-optical modulation & frequency multiplication method, and analyze the precision of this method. (4) Compare and summarize simulations of the rectangular wave and other wave magneto-optical modulations.
重点对正弦波磁光调制&倍频法进行了实验研究,并对其精度做了一定的分析。
17. Modulations的解释
17. The performances of dual-header pulse interval modulation (DH-PIM) and digital pulse interval modulation (DPIM) are analyzed for the high packet error rate and low information transmission rate of optical wireless communication modulations presently.
为了解决目前无线光通信采用的调制方式误包率大、传信率低等问题,研究了双头脉冲间隔调制(DH-PIM)和数字脉冲间隔调制(DPIM)的性能。
18. This controller integrates pulse width modulation (PWM) and pulse density modulation (PDM) together, and can easily change between the two modulations.
该设计集成了脉冲宽度调制(PWM)和脉冲密度调制(PDM)两种调制方式,并可以在两者间切换。
19. Different modulations give great effect to system transmission rate, anti-multi-path ability.
因为采用不同调制方案,对系统传输速率、抗多径干扰能力有很大影响。
20. Because of the development of the digital signal-processing chip, digital realization of modulations needs to be researched.
由于数字信号处理芯片与专用数字芯片的发展,需要对各种信号的调制的数字化实现进行研究。