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- laser modulation technique 激光洞制技术
- This paper studies the modulation technique and demodulation technique of the self-mixing interference semiconductor laser vibrometer. 本文研究了半导体激光自混合干涉测振仪的调制与解调技术。
- One way to construct this system base on single-carrier modulation technique. 建立该系统的一种方式是基于单载波调制技术。
- Data bits are allocated to the channels through a highly efficient modulation technique that converts digital data to electrical signal pulses. 数据通过一种高效的调制技术(即把数字数据变成电信号脉冲)分配给各个信道。
- Based on computer, laser modulation, fiber coupling and microlens focusing technology, fiber coupled laser diode array is researched. 摘要采用计算机控制技术、激光器调制技术、光纤耦合技术、微透镜聚焦技术,研究了半导体激光器的线阵。
- The essay lays emphasis on expounding the significant application of the laser modulation scanning technology. 着重阐述激光调制扫描技术在现代化印刷中的重要作用。
- An adaptive modulation technique for multiuser MIMO systems with multiuser diversity is proposed. 摘要提出一种在MIMO系统中采用自适应调制实现可变速率多用户分集的方案。
- QPSK as an advanced digital modulation technique is fit for the digital satellite communication system well. QPSK作为一种先进的数字调制方式,特别适用于数字卫星通信系统。
- Good knowledge in RF, Digital TV and digital modulation techniques. 精通射频,数字电视和数字调制技术;
- Orthognal Frequency Division Multiplexing (OFDM) is a multi-carrier digital modulation technique for broad-band wireless communication. 正交频分复用(OFDM)是一种多载波数字调制技术。
- High peak power semiconductor laser module for producing nanosecond pulse[J]. 引用该论文 CHEN Yan-chao;ZHAO Bai-qin;LI Wei.
- In July 1998, the IEEE standardization group selected the OFDM modulation technique for their new IEEE802.1l a standard, targeting data transmission from 11 up to 54 Mbps. 1998年7月,OFDM技术正式被IEEE标准组确定为IEEE802.;11a物理层调制方法,使得无线局域网数据传输速率由11Mbps提高到54Mbps,性能得到明显改善。
- By means of digital modulation technique such as 16-QAM, it is possible to transmit all-digital HDTV signals in a radio-frequency channel with base-band of 8 MHz. 应用数字调制技术,如16-QAM,能够实现在一个基带8MHz射频信道中传输全数字化HDTV。
- As the 4V4H1D Laser Striping Instrument can also offer such a laser modulation (DETECTOR) function, it can be operated under strong light or outdoor light ,if it is fitted together with a laser receiver. 4H1D激光标线仪还具有“激光调制(detector)”功能,配合激光接收器,可以在光线较强的环境或室外使用。
- The pan-European digital mobile communications using a GMSK modulation, while the United States and Japan, the number of mobile communication QPSK modulation technique is used. 泛欧的数字移动通信采用的是GMSK调制,而美国和日本的数字移动通信则采用QPSK调制技术。
- Orthogonal frequency-division multiplexing(OFDM) is an efficient multi-carrier modulation technique to overcome the multi-path fading and reduce the ISI in wireless channels. 正交频分复用)是一种高效的多载波调制技术,可以用来对抗无线环境中的多径衰落,减少码间干扰。
- The outer drum-type photo typesetter for four-channel or multi-channel laser modulation anisotropism, in the image when film to some serious may form a moire hapalogenys forplanar. 边鼓型照排机其四路或众路激光调制不平衡的话,在成像时软片的图像局部不离不定酿成惨轻的歪条形龟纹。
- Campillo, Huston A J, Justus A J. Laser modulated aerosol infrared decoy[S]. US Patent, Hl, 522. 1996-04-02. 白青弈.;红外气溶胶烟幕在反导中的作用[J]
- Based on the output-voltage error function, a novel time discrete modulation technique is proposed for matrix converters (MCs) and time-discrete difference equations of a MC circuit are derived. 摘要针对矩阵变换器调制方式的特点,提出了基于输出电压误差函数分析的矩阵变换器离散调制技术,推导了基于时间离散和差分原理的电路方程。
- The results also show that higher power laser module can be packaged with a multifold structure of the same design. 利用该模块可以组合成多种几何结构、功率更高的半导体激光器组件。