code n. 1.法典;法规。 2.规则,准则;(社会、阶级等的)惯例,习俗,制度。 3.(电)码,代码,密码,暗码;代号,略号,暗号。 4.【生物学】遗传(密)码。 the civil [criminal] code民[刑]法典。 the moral code道德准则。 code of signals 信号密码(本)。 code of the school 校规。 code and conventions 规章制度。 C- Napoléon 拿破仑法典。 C- of Hammurabi (古代巴比伦的)汉穆拉比法典。 code of honour 社会礼法;决斗惯例。 code of written law 成文法典。 the International Code 国际电码。 the Morse code 摩尔斯电码。 vt. 1.把…编成法典[法规]。 2.把…译成[编成]电码;编(码);译(码)。 n. -r 【自动化】编码装置;【电讯】记发器。
The research of multipath parameter estimation algorithms and accomplishing them with software . to estimate multipath parameters , multipath delays must be estimated by code filtering in advance 信道多径参数估计算法的研究和软件实现在估计多径参数时,首先使用码滤波方法估计出信号的多径时延。
Firstly , the steering vector of mainpath of desired user is estimated by using code filtering method , then dummy signals are introduced , main lobe of wave is built by using the steering vector of mainpath of desired user and side lobes is constrained by using dummy signals 该方法首先利用码滤波的方法估计期望用户主径的波达方向,然后引入虚拟信号,利用期望用户主径的波达方向形成波束的主瓣,并利用虚拟信号抑制旁瓣。
In addition , the beamforming techniques for cdma systems are discussed emphatically . the algorithm based on code filtering is deduced in detail theoretically , and the performances such as convergence and bit error rate ( ber ) are simulated . meanwhile , we improve a decision - projected algorithm based on least - mean - square ( lms ) error 论文重点讨论了cdma系统的波束形成技术,在理论上详尽地推导了基于扩频码滤波的波束形成算法,对其收敛性、误码率等进行了计算机仿真;针对基于最小均方( lms )误差的一种判决映射算法进行了改进。