然后叠加伪随机信号用示波器显示眼图。
Then superimposed pseudo-random signal with an oscilloscope display eye.
本文介绍用伪随机信号进行系统辨识的计算机辅助测试系统。
The system with computer aided test for system identification by pseudo-random signal is introduces in this paper.
扩谱通信中一个最基本的任务就是实现本机的伪随机信号与接收的伪随机信号的同步。
In spread-spectrum communication systems, the essential task which has to be performed is the synchronization of receiver pseudonoise (PN) signal with the pseudonoise signal contained in the input.
通过频域和时域分析，指出阶跃信号和伪随机信号是一类既有差别又有内在联系的测试信号。
By analyzing time and frequency domain response we found out that they have some internal connections with each other, although the test signals are different.
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。
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输入信号。
To simulation study microwave radiometer. under spaceborne condition this paper simulates the equivalent input signal of microwave radiometer by artificial random signal.
从提高引信抗干扰性能和距离分辨率的角度出发，确定了伪码引信中伪随机信号源的一些主要技术参量。
To improve the fuze antijamming performance and the distance resolution, presents the main parameters of pseudorandom code source in pseudorandom code modulation fuze.
在仿真试验中，比较了给定功率阶跃扰动信号、白噪声信号及伪随机信号分别作为输入信号进行辨识的结果。
In simulation experiment, results of identifying models using step disturbance of given power signal, white noise signal, and pseudorandom signal as input signals have been compared.
混沌信号是由确定性系统产生的伪随机信号，具有易于产生和控制等特点，在宽带领域中引起了人们的极大关注。
Chaotic signal, generated by deterministic systems, can be easily implemented by a simple circuit and controlled to the desired states.
研究了伪随机信号的特征及伪随机信号产生的方法，得出了用伪随机信号代替白噪声信号辨识钻柱系统脉冲响应的结论。
The results show that the input white noise can be substitute by pseudo-random signals in identifying the impulse response of a drill-string system.
该方法应用改进冗余位结构，通过在其子dac输出端引入伪随机信号测量级间增益，并利用此估计值在后台进行增益误差补偿。
Using a reformative redundant stage, gain errors are measured by PR (pseudo-random) signal being injected at sub-DAC output and compensated in background according to the estimated value.
给出了基于序列顺序置乱的信号白化算法：混沌序列乱序白化算法和伪随机序列乱序白化算法。
Present a whitening signal algorithm based on disordering sequence. One bases on chaos sequence, another bases on pseudo random sequence.
利用伪随机多频信号作为场源的多频相对相位谱观测法拥有相对相位观测法的优点，同时为异常源的区分提供丰富的信息。
PRMF relative phase spectrum IP method with PRMF signal as excitation has the same advantage of relative phase IP method, and offer rich information for the discrimination of anomaly source.
多频激电相对相位谱法充分发挥了伪随机多频信号作为电法勘探场源的优点，可在找水，找矿等勘探中发挥重要作用。
PRMF relative phase spectrum IP show the advantage of PRMF signal as source of electrical exploration, can play important in groundwater exploration, mineral exploration, and so on.
伪随机噪声在数字信号处理中具有重要的实用价值，白噪声是产生具有指定概率分布的伪随机噪声的基础。
The pseudo-random data are widely applied in digital signal processing. White noise data is the basis of generating random data, which has the expected probability distribution.
给出了数字音频信号中信息隐藏的伪随机序列生成算法。
The information is hidden in digital audio signals by an arithmetic of Preudo-random sequences generation.
本文介绍了在航空发动机闭环控制系统的反馈通路上施加伪随机试验信号时，对发动机模型参数进行辨识的方法。
An aeroengine model can be identified from actual closed-loop engine test data if pseudorandom binary sequence as test signal ACTS on feedback circuit of the closed-loop control system.
当用计算机模拟满足一定功率谱规律的离散数字随机信号时，通常是对伪随机白噪声离散数字信号进行数字滤波来模拟。
When the random processes that meet certain power spectra are simulated by digital filters to white noise, the step length of the filters affects response mean-square values and correlation functions.
该方式给每个用户分配不同的伪随机跳时码，根据跳时码参考信号和数据信号进行相同量的跳时。
It assigns different PN time-hopping codes to different users. The signals for reference and symbol in a frame have the same time-hopping value.
本文介绍用以辨识船舶运动方程系数的伪随机二进制信号发生器的基本原理、使用方法和精度。
This paper introduces the basic principles, application and precision of PRBS generator which is used for the identification of coefficients of ship motion equation.
研究了直扩系统的数学模型，扩频用的伪随机码，扩频信号的相关接收，扩频系统的同步和跟踪等。
The mathematics model of DSSS, PN code, correlative reception of spread spectrum signal, synchronization and tracking are studied.
针对伪随机码的特点，增加了简单的信号处理过程，只需接收三个激光制导信号，就可以对其实施有效干扰。
If simple signal processing technology was used, LGW which use fake-random laser code can be jammed effective when three indicator laser pulses were received.
扩频信号是一个伪随机代码序列，此码片速率比消息数据速率高若干数量级。
The spreading signal is a pseudo-noise code sequence that has a chip rate which is orders of magnitudes grater than the data rate of the message.
被高速伪随机码调制的扩频信号，其伪随机码是具有随机编码信号特征的周期信号。
The spread spectrum (SS) signal is modulated by high-rate pseudo noise code, and belongs to typically periodic signal.
信号采用伪随机编码进行相位调制，相当于是用载频对伪随机码进行上变频。
Using pseudo random code to modulate the signal's phase equals to frequency up-conversion of the pseudo random code by the carrier frequency.
简述了采用伪随机及阶跃激励信号进行系统辨识的原理。
This paper briefly gives principles of using PRBS and step signal to identify system and describes methods of constructing IBM-PC/XT-computers identification system.
第五章对雷达干扰进行了阐述，主要的干扰信号有连续噪声调相干扰、伪随机码噪声干扰、多假目标干扰。
In chapter 5 the jamming such as phase modulation noise, binary pseudo random sequence and multiple pseudo targets are discussed.
深空通信中，利用伪随机编码信号可实现低信噪比接收和多址通信。
In communication of deep space, the receiving of low signal-to-noise and multi-address communication can be realized with pseudo-random code signal.
基于相干光的相位编码OCD MA技术依靠光信号的相位变化，利用伪随机序列来编解码。
Based on coherent optical phase encoding OCDMA techniques rely on phase changes optical signals, using pseudo-random sequence for encoding and decoding.
使用完全正交的伪随机码代替单脉冲信号对超声信号进行调制，以提高发送信号的抗干扰能力和系统的测距精度；
The pseudorandom code instead of single impulse is used for modulation to improve the capability of anti-jamming and precision of measuring range.
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