该词条未找到_海词词典

您要查找的是不是：

laser receiving antenna 激光接收天线
Reorient or relocate the receiving antenna. 调整接收天线
The receiving antenna is used to collect the weak laser signature as much as possible and couple to APD. 接收天线使用了开普勒望远镜,最大限度的接收光信号,并将其压缩耦合至接收装置。
Inside GPS receiving antenna, also can use outside antenna. 内置GPS天线,并可外接天线。
The original installation receiving antenna, strengthens the signal receptivity. 原装接收天线，加强信号接收能力。
The more good quality of the LNB, the smaller caliber and the lower cost of receiving antenna were required. 高频头质量越好，相应的接收天线口径要求越小，成本越低。
The cassegrainian telescope system with spherical mirrors used as transmitting and receiving antenna for CO_2 lasercom are reported in this paper. 国外有关10.;6微米CO_2激光通信实验系统均采用非球面光学天线;如文献[1、2]等。
The 70cm transmitter antenna configuration is Left Hand Circular polarity (LHCP).The 2M receiving antenna is a 1/4 wave whip. 卫星0.;7米段的发信机天线是左旋圆极化，2米段收信机是1/4波长鞭状天线。
It can perform a flexible emissive and receiving antenna beam and have a good anti-jamming ability.This thesis is a previous research before engineering fulfillment. 本文设计了用可实现模拟多种不同工作体制、具有灵活可变的收发波束和较好抗干扰能力的雷达天线平台，为工程实现提供了理论支持。
The vertical layered space-time (V-BLAST) of Bell laboratories based on a multiple transmitting and receiving antenna system (MIMO) highly improves the system capacity. 摘要基于多发送多接收天线(MIMO)的贝尔实验室垂直分层空时码(V-BLAST)可显著提高系统的传输容量。
Main work include:1 A method of adaptive DBF in received antenna array. 1 讨论了在接收阵列天线中，自适应数字波束形成(DBF)的方法，引入了采样梯度矩阵算法。
Reorient the receiving antenna. 重新定向接收天线。
A laser alignment measuring system consist of semi-conductor laser,optical direction & turning system,laser receiver system and LCD Module is developed. 激光准直测量系统由半导体激光器、光学分光及转向系统、光电接收系统及液晶显示模块组成。
The free time grouping code double antenna performance simulation, uses the list receiving antenna, uses this procedure simulation performance extremely to approach the theory value, matlab, Communication. 空时分组码双天线性能仿真,采用单接收天线,采用本程序仿真性能非常接近理论值。
One transmission and three receiver antenna as well as one control unit make up this compact compound. 一个传送三个接收天线和一个控制单元组成简洁的复合品。
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。
Show that doubling the transmission frequency or doubling the distance between transmitting antenna and receiving antenna attenuates the power received by 6 dB. 证明：当传输频率增加一倍或者源天线与目的天线的距离增加一倍时，衰减功率等于6分贝。
This paper only discusses the selection of receiving antenna.Selection criterion is based on the Frobenius-2 norm of received signal vector at each receiving antenna. 该文只考虑了接收天线选择，天线选择的准则是基于每个天线接收到的信号向量F-2范数。
Compared with SVD the improved approach only needs one receive antenna so the complexity of the receiver decreases remarkably. 相对于基于奇异值分解的分组干扰抑制方法，该文提出的方法只需要1根接收天线，降低了系统接收机设计的复杂度。
Doe to the use of frequency domain symbol division, it decouples the estimation of impulse response for each receive antenna branch, hence releases the computational burden. 由于采用频域相除抵消技术，各分支的信道参数可分离估计，因此降低了计算复杂度。