盲

Based on the linear MIMO model of Volterra system for blind identification, the blind identification method of Volterra system based on the basis of the noise polynomial vector space is presented.

基于 Volterra 系统盲辨识的线性 MIMO 模型，提出了基于噪声多项式向量空间基的 Volterra 系统的盲辨识方法。

Keywords: Blind source separation; Blind equalization;biquadratic cost function; Multistage Decomposition; Nonstationary signal

中文关键词：盲源分离；盲均衡；双二次代价函数；多阶段分解；非平稳信号

Furthermore, residual interference is analyzed. In Chapter Six, Principal Component, Cross-Spectral Metric, Auxiliary-VectorFiltering and Multistage Wiener Filtering are applied to study low-rank blind space-timemultiuser detection with the generalized canonical representation in multipath channels.

第六章基于最小方差盲空时多用户检测的广义正则形式，利用主成分方法、互谱度量方法、辅助向量滤波和多级维纳滤波，研究了多径条件下的低秩盲空时多用户检测。

Objective Through the methods of double-blind, physical experimental research has been taken on oral liquid for reinforcing kidney in sale and ShengLiJun oral liquid to enhance triathlon's testosterone level in serum.Methods Through the experimental design of double-blind, chiasm and comparison.

目的 通过双盲对分组对比实验对提高铁人三项运动员血清睾酮的市售补肾口服液和生力君口服液进行了人体实验研究方法采用双盲交叉对比实验设计。

Computer simulations show that the performance of the proposed algorithm is better than that of those using Cohen class lime frequency distributions in environments with or without noise.

仿真表明，无论是在有噪声还是无噪声的情况下，这种算法的盲分离性能均优于采用Cohen类时频分布的盲源分离算法。

THE BLIND BOY Colley Cibber O say what is that thing call'd Light, Which I must ne'er enjoy; What are the blessing of the sight. O tell your poor blind boy!

盲孩 柯莱·西柏你们说的"光"，是什么东西，我永远不可能感觉出来；你们能够"看"，是什么福气，请告诉我这可怜的盲孩！

Then, after introducing the direct current sensitivity analysis method of general ATC, the direct current sensitivity analysis method of blind number ATC is studied, and some predigestion tips are also proposed to decrease computational effort.

以确定性可用输电能力的直流灵敏度分析法为基础，提出盲数ATC的直流灵敏度算法，并给出盲数运算的简化处理方法。

the paper introduces long curtate new unequal ofdm system.adopts long curtate unequal benefit to be not to require that the second order adding the circulation prefix,being therefore likely to lead into period stationarity,making use of signal therefore in launching an array,counting characteristic property realizing blind estimation of route.this technology includes three kinds of method : subspace decomposition,correlation matching,and maximum likeewise,monte carlo simulation show that whentheeb/no is low,function is better than the other kinds of method.

摘 要：提出一种采用不等长分组新的ofdm系统。采用不等长分组的好处是不需要加循环前缀就能在发射序列中引入周期平稳性，因此，可利用信号的二阶统计特性实现信道盲估计。信道盲估计主要分子空间分解、相关拟合和最大似然三种方法。结合monte carlo仿真表明，在信噪比较低时，结合子空间分解方法计算出的误码性能比其余两种方法好。

Simulation results show that the proposed algorithm has a faster convergence rate and much less computational complexity, and the output bit error rate and signal-to interference-plus noise ratio performance are superier to the PASTd blind multiuser detection algorithm and close in on the singular value decomposition group blind multiuser detection algorithm.

仿真结果表明，所提算法收敛速度快，输出信干噪比和误码率性能优于PASTd盲多用户检测，逼近奇异值分解(singular value decomposition， SVD)群盲多用户检测，并保持了较低的计算复杂度。

Different to the conventional information communication, Information intercepting technique have to be faced with the following basic difficult problems: the blind recognition of the parameters of the communication; the blind recognition of the parameters of the signal; how to efficiently process the fading signal which power is under the receiving threshold of the conventional communication; how to demultiplex the mixed information stream with serious errors; and how to determine the value of the information etc.

有别于常规的通信技术，信息截获技术面临如下重大的基本难题：通信体制参数的盲识别；系统信号参数的盲识别；如何实现对强度低于常规通信接收门限的衰落信号的高增益；如何实现对混合信息流的高容错同步分路；以及如何实现对信息价值的判定。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。