space time的例句大全

In the framework of general relativity, the definitions and transform methods about basic space time reference are studied, definitions of coordinate time reference and space coordinate reference are presented. 3.

在广义相对论框架下，研究了基本时空参考系BCRS和GCRS的定义及转换方法，给出了坐标时参考系和空间坐标参考系的定义。

According to space time coordinate transformation and permance principle of light velocity in the theory of relativity, the rule of light reflection from the moving mirror is proposed in this paper.

根据相对论时空坐标变换及光速不变原理，推出了光在运动镜面上反射时遵从的规律。

Neural network based blind space time channel estimation in antenna array CDMA systems

天线阵CDMA系统中基于神经网络的盲空时信道估计

Blind Space Time Channel Estimation for CDMA with Aperiodic Spreading Code

非周期扩频CDMA系统中时空信道的盲估计

In DS CDMA channels with multipath and multiple access interference, this paper estimates blindly the user channel with extended space time channel model to process the blind MMSE detection.

在多径多址干扰DS CDMA环境中，本文根据空时信号模型，用扩展的盲方法估计用户信道，从而进行盲MMSE检测。

A new approach is presented to efficiently solve the three dimensional space time reactor dynamics equation which overcomes the disadvantages of current methods.

为快速求解反应堆三维时空动力学方程，克服已有方法的局限，提出了一种新的求解方法。

A Full Diversity and Full Rate Space Time Code with Low Decoding Complexity

一种低解码复杂度的全分集全码率空时编码

Performance Analysis of the Zero-Forcing Detection of Threaded Algebraic Space Time Code

纹状代数空时码的迫零检测性能分析

Taking the space time code technology as an example, the system structure of MIMO-OFDM is researched.

以空时编码技术为例，研究了具体的MIMO-OFDM系统结构。

Orthogonal linear dispersive space time code can also be used as an adaptive one for different application requirement.

根据不同的传输需求，正交线性空时弥散码的形式还可以灵活变化。

Application Research of Space Time Coding in MIMO-OFDM System

MIMO-OFDM系统中空时编码技术研究和应用

Information Theoretic Analysis of MIMO Wireless Communication Systems and Space Time Coding

MIMO无线通信系统和空时编码的信息论研究

Space time coding is one of the effective ways to achieve these benefits of MIMO system.

获得MIMO系统这些好处的一个行之有效的方法就是空时编码。

Vertical Layered Space Time Coding Based on Rotational Invariant Subspace

基于旋转不变子空间的垂直分层空时码

Simulation shows that our scheme achieves the performance similar to some known optimal space time coding scheme.

仿真结果表明，这种编码方案的性能与某些已知的最优编码方案基本相同。

Moreover, detection algorithms in a layered space time coding system including maximum likelihood detection, line detection and successive interference cancellation have been analyzed.

在接收端，基于分层空时码的结构，比较了最大似然检测、线性检测、干扰消除检测和一些改进算法的性能和复杂度。

A subspace-based blind channel estimator has been developed for space time coding orthogonal frequency division multiplexing ( STC-OFDM) system with two transmit antennas and two receive antennas.

针对使用2个发射天线和2个接收天线并且采用循环前缀的空时编码正交频分复用系统（STC-OFDM），提出了一种信道盲估计算法，并给出信道可被辨识的条件。

An improved space time coding method for the simple situation ( 4PSK, 4 states) is given in this paper. The method improves the coding gain without impairing the diversity gain of the system.

提出了简单情况下（4-PSK、4状态）的一种改进的空时编码方案，该方法在保证空时编码的分集增益的前提下，进一步提高了系统的编码增益。

Space time yield of methanol and conversion of gas increase with pressure.

随着压力的升高，反应的时空产率和气体的转化率都在增加。

In this dissertation, the estimation algorithms of time-varying frequency selective channel in modern wireless communication systems including WCDMA uplink, WCDMA downlink with space time transmit diversity and MIMO system are investigated.

本文主要研究在现代无线移动通信系统中如何估计同时存在频率选择性和时间选择性衰落的信道，包括WCDMA上行链路，采用双天线空时发射分集的WCDMA下行链路和MIMO系统。