prbs

Aiming at the deficiencies of single echo ultrasonic distance measurement and referring to the pulse compression technology in radar , the realization method for ultrasonic spread spectrum distance measurement based on PRBS ( m Sequence ) is introduced .

针对单脉冲回波方式的超声测距方法存在的缺陷，借鉴雷达中的脉冲压缩技术，介绍了基于伪随机二进制序列（m序列）的超声扩频测距实现方法。

12 × 2.5Gbit/s parallel PRBS generation technology and BER block monitor on-Line

12×2.5Gbit/s并行伪随机序列发生技术及在线误码块监测

A new adaptive correction strategy used PRBS on-line identification technique is proposed .

针对前馈矢量控制系统中由于电机参数与速度检测小误差造成磁场定向错误，提出了一种新的自适应校正策略，该策略采用PRBS在线辨识技术，算法简单，不需要额外的传感器。

Developing the new method of PID tuning using SOl and PRBS test signal .

开发了以PRBS作为回路测试信号，使用SOI方法进行PID回路优化与IMC&PID回路优化的新方法。

It also puts forward a method of simplifying PRBS circuit by use of a computer .

并提出了一种用计算机模拟的方法简化伪码发生器电路的方案。

Conditional access system based on PRBS

基于PRBS的有条件接收系统

Decoupled method and pseudorandom binary sequence ( PRBS ) used as input disturbance .

实现了电压解耦及用伪随机序列作为小扰动输入信号辨识发电机的参数；

PRBS is applied in ultrasonic distance measurement in this article , which resolves some problems existing in it .

本文将伪随机码应用于超声波测距中，解决了超声波测距中存在的测距精度低和测量距离近的问题。

Pseudorandom binary sequence PRBS ( also called pseudorandom binary signal ) is a row of period binary sequence .

伪随机二进制序列PRBS（也称作为伪随机二进制信号）是周期性的二进制序列。

The experiment result of a new signal , pseudo-random binary sequence ( PRBS ) with acute cross-correlation characteristic , is accordant with the theory analysis .

提出了一种新的信号，伪随机二进制序列，在常温下的实验结果和理论上尖锐的互相关特性分析一致。

With PRBS of 2 23 - 1 , the bit error rate is 1.3 × 10 - 14 at the optimal conversion after one hour error measurement .

在最佳波长变换处对变换信号进行了1小时的误码测量，采用223－1伪随机码序列，误码为1.3×10－14。

The longest shift register sequence ( m sequence ) is a kind of PRBS , its self - correlation function is similar to the pulse function .

最大长度移位寄存器序列（m序列）是PRBS的一种，其自相关函数类似于脉冲函数。

The author proposed the hardware circuit scheme and TDE ( Time Delay Estimation ) model for the system with the PRBS and ultrasonic carrier adopting ASK modulation mode .

伪随机码与超声载波采用ASK（幅移键控）调制方式，介绍了伪随机码超声扩频测距硬件方案和超声测距时延估计模型。

The carrier signals were substituted with the rectangle signals because of the properties of the pseudo random binary sequences ( PRBS ) and the ultrasonic sensors .

由于伪随机二进制信号PRBS和超声波传感器的特性，可用方波载波信号来有效地代替正弦波载波信号。

The methods of continuous water extraction and the pot experiment of tobacco are carried out to study the release characteristics and fertilizer effect of promoted-release boron sludge ( PRBS ) .

采用连续浸提、盆栽试验的方法，研究促释型硼泥的养分释放特点及其肥效。

Implement 50Gb / s PRBS intensity modulation transmission experiment and 25Gb / s PRBS duobinary modulation transmission experiment . Get useful datas and eye diagrams .

进行了50Gb/sPRBS信号强度调制传输实验和25Gb/s双二进制码型传输实验，得到相关数据和眼图。

Experimental data were obtained under applying a Pseudo Random Binary Sequences ( PRBS ) signal to the excitation system . The excitation system model can be filted by means of a Least Square algorithm .

在发电机正常运转下，输入伪随机码（PRBS）为激励信号，测取励磁系统各电量，再经最小二乘拟合得到励磁数学模型。

In this paper , the essential problem with the standard PRBS generator is touched on and the convolutional code ( n , 1 , m ) is introduced into the design of ultrareliable digital system 's design .

提出了采用卷积码方法设计单输出高可靠数字系统的一般方法。以（3,1,3）卷积码为例设计了一个标准伪码发生器，并对该系统的可靠性进行了理论分析及计算机模拟。

This paper described the dynamic characteristic identification for this powerplant with pseudo random binary signal ( PRBS ) method , which includes input of pseudo random signal , identification on line , data processing and analysis for the identification results .

本文介绍了用伪随机信号对该机组动态特性的辨识，包括伪随机信号的输入人，在线辨识、数据处理及辨识结果的分析。

With a CMC-80 single-board microcomputer , a pseudo random binary sequence ( PRBS ) used as the test signal is produced and the output data of the heat exchanger excited by PRBS are acquired .

首先用CMC-80单板机产生伪随机二位式序列（PRBS），作为辨识实验的测试信号，同时采集换热器在PRBS作用下的输出响应数据。

We used a FPGA chip to generate a test signal with PRBS pattern , then the signal was converted to LVDS , after 30 meters transferring , it returned to FPGA and was analyzed by the FPGA .

我们利用FPGA产生伪随机信号，并将其转换为LVDS信号，经过30米传输后，再返回至FPGA进行分析。

Each channel was modulated by an electro-absorption ( EA ) modulator using a 2.5 Gb / s nonreturn-to-zero ( NRZ ) format , with a 27-1 long pseudo-random bit sequence ( PRBS ) signal .

20信道总功率-2.86dBm，每一信道用2.5Gb/s、码长271的非归零码通过电吸收调制器（EA）进行外调制。

Using the inversion of the auto correlation function Toeplitz matrix of pseudo random binary sequence ( PRBS ) derived in this paper and the theorem of partitioned matrix inversion , a fast multistage least squares ( FMLS ) method is developed .

利用分块矩阵求递引理及本文导出的M序列自相关函数Toeplitz矩阵求逆算式，总结出系统参数估计的快速多步最小二乘法（FMLS），并将其应用于辨识换热器的动态模型。

The application of the Connoisseur APC software which mainly uses the PRBS ( pseudo random binary sequence ) to establish the process model and uses of MPC ( multi-variables predictive control ) in the control system of EO / EG plant is introduced .

介绍了Foxboro公司的Connoisseur先进控制软件在环氧乙烷/乙二醇装置反应器单元控制系统上的应用。其理论依据就是利用伪随机二进制序列来建立过程动态模型技术和多变量预测控制技术。

This paper introduces the frequency-domain approach FFT / LSE method , a new method called resistively coupled method is presented . PRBS disturbance signals are added to the excitation equipment , then it uses FFT / LSE method for identifying the excitation system parameter of generators .

介绍了频域FFT／LSE辨识方法，提出了一种电阻耦合法，它将PRBS扰动信号施加到励磁装置，然后利用FFT／LSE方法对发电机励磁系统进行参数辨识。