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wideband random signal 宽带随机信号
A random signal of known statistical properties of amplitude, distribution, and spectral density. 振幅、分布及谱密度等的已知统计特性的随机信号。
The pulsar signal is a kind of typical nonstationary random signal which SNR (Signal to Noise Ratio) is very low. 摘要脉冲星信号是一种典型的非平稳信号，且信噪比非常小。
Wang H Y.Nonstationary random signal analysis and processing[M].Beijing:Defense Industry Press,1999. [1]王宏禹.;非平稳随机信号分析与处理[M]
The Green Bank telescope in West Virginia has been specially designed to distinguish between random signals and signals which might be in code. 西弗吉尼亚州的格林·班克望远镜是专门为区分随机信号与或许是电码信号而专门设计的。
This paper proposes a new method for obtaining a random signal radar wavefonn by means of random binary code PM and coherent pulse AM. 本文提出了用随机二元码调相和相干脉冲调幅得到随机信号雷达波形的新方法。
Using the absolute calibration method of random signal sensor, some perfect accelerometer frequency response curves are abtained. 使用随机信号传感器绝对校准方法，得到了较为理想的加速度计频响曲线。
This paper mainly investigated the excitation system parameter identification basedon the M sequence of pseudo random signal. 本文主要研究用M序列伪随机信号对励磁系统参数的辨识问题。
To simulation study microwave radiometer, under spaceborne condition this paper simulates the noise sources of microwave radiometer by artificial random signal. 为了对微波辐射计进行星载条件下的仿真研究，本文采用伪随机信号来仿真微波辐射计的噪声源。
The paper mainly describes the application of the random signal to the simulation of road roughness,the arithmetics of AR and the pseudo white noise are used to simulate the C level road roughness respectively. 重点研究了随机信号在路面不平度仿真中的应用,分别使用AR法和伪白噪声法在空间域下对C级路面进行仿真。
Computer simulations show that the time of convergence and the mean-square error in the case of simulation are much smaller than those of the classical adaptive filter with Widrows LMS algorithm for both deterministic and random signal. 计算机模拟结果表明:在所模拟的例子中,其收敛时间以及均方误差不论对确定信号或随机信号都远小于采用Widrow简化了最小均方误差算法的经典自适应预测滤波器的相应值。
This paper discusses several problems caused by the production of ths rapldfreguency sweep signal and the pseudo--random signal in SBC TB--801B by ourown designed computer programs, Using SBC as a multifunctional excitation sig--nal source. 本文探讨了应用单板机作为多功能的激励信号源,自编计算机程序,在TP-801B单板机上实现快速正弦扫频信号和伪随机信号输出时,应解决的几个问题。
The dynamic pressure of drill bit,etc. ,has been measured and analysed in test drill rig by using pressure transducer dynamic strain analyzer,charge amplifier and CRAS random signal and vibration analysis system. 本文在试验台架上安装压力传感器、利用动态应变仪、电荷放大器以及 CRAS随机信号和振动分析系统进行了钻头动态压力测试和分析。
Soiled dishes were piled at random. 脏碟子胡乱地堆放着。
The development of random signal radar over the past 30 years is described in this paper.Conventional methods are summarized, such as correlation,spectrum analysis and anticorrelation. 本文介绍了过去30多年中随机信号雷达的发展过程，对其基本形式和相关法、频谱法、反相关法等实现方法作出了系统的总结。
Chapter2: Effect of SVD on removing periodic and quasi-periodic trends based on random signals. 第二章,基于SVD方法的除趋势分析。
Complex-valued random signals, Polynomial phase signal, Parametricestimation, cyclostationarity, Higher-order statistics, Cumulants, Statistical performance. 复随机信号,多项式相位信号,参数估计,循环平稳方法,高阶统计量,累积量,统计性能
Ultrasonic backscattered grain echoes are random signals which bear information related to the attenuation properties of the materials. 材料中颗粒(或微结构的不连续)造成的超声背散射信号是一种随机信号,这种信号的衰减特性与材料中微结构状态有关。
Piecewise correlators can be used in sonars transmitting continuous narrow-band random signals to avoid decorrelation caused by phase fluctuation of received signals. 在发射连续窄带噪声的相关声呐中,为了使相关输出不受回波相位起伏的影响,可以采用分段相关器。
A red light is usually a signal of danger. 红灯通常是危险的信号。