This paper provided a Least-Square Method to identify the noise model using M series as the input signal of the noise model. 本文假设M序列是噪声模型的输入信号,给出了噪声模型的最小二乘类参数辨识方法。
PCI has interface peak transmission rate is 132 M bytes/ s. Optical signal transmission rate can be more than 1 Gbps. 全带宽PCI接口卡总线峰值传输速率为132MBytes/s,光信号传输速率可达1Gbps以上。
The results show that when the signal line length of sensor is less than 100 m, its influence on sensor dynamic signal will be less than 1%. It meets the real train test requirement of measuring crossing air pressure pulse. 研究结果表明,当传感器信号线长度小于100m时,对传感器输出的动态信号影响不大于1%,满足列车交会空气压力波实车测量要求;
Firstly, the mathematical model of M sequence BPSK signal and M sequence is analyzed, and a program of M sequence generator is given. 首先分析了M序列BPSK信号的数学模型以及M序列的数学模型,给出了一种M序列的计算机产生程序;
Application of M Sequence Pseudo Random Signal in Process System Indentification M序列伪随机信号在过程系统辨识中的应用
The pool experimentation result of acoustic vector sensor proves that even if the multipath effect is serious, it still can obtain high direction-finding precision using the M sequence phase modulation signal. 矢量水听器的水池试验结果证明:在多途效应比较严重的情况下,采用M序列调相信号利用以上方法进行方位估计仍可取得较高了测向的精度。
By constructing special digital signal sequences, the relation of the number of levels of zero-crossing points and the M value of MPSK signal was analyzed, and the phenomenon that different phase difference modes correspond to different levels of zero-crossing points was discussed in detail. 通过构造特殊的数字序列,分析了小波系数过零点分层数与MPSK信号的电平数M的对应关系,详细讨论了MPSK信号不同的相位跳变模式与过零点层次性的内在联系。
The RF interface circuits are taped out in UMC with 0.18 μ m mixed signal process. 射频接口电路采用UMC0.18μm混合信号工艺流片验证。
The Power Spectrum Analysis of a M-Channel Δ M PSK Signal and Its Application in the Determination of the Main Specifications of a Directional-Filter Duplexer M路增量调制移相信号的频谱分析及其在确定定向滤波双工器主要指标中的应用
The transponder at the underwater 4000 m need receive the interrogating signal and telecommand transmitted by the surveying boat, and carry out the relevant transponder underwater acoustic communication pressure telemetry and diagnostic function. 该水声应答器要求在4000米海深接收测量船发来的询问信号和遥控指令,相应的执行应答、水声通信、深度测量和自检等功能。
In order to implement an analog-to-digital converter ( ADC) with pipeline structure of 10-bit high performance and low power dissipation, a design method based on 0.6 μ m complementary metal-oxide-semiconductor ( CMOS) mixed signal technology was proposed. 为了实现10位高性能和低功耗的流水线模拟数字转换器ADC,提出了基于0.6微米互补型金属氧化物半导体(CMOS)混合信号工艺的电路设计方法。
According to application much function block is fixed and fabricated in 0.6 μ m mixed signal CMOS process. 根据应用系统确定了保护芯片所需功能模块,然后采用0.6μm混合信号CMOS工艺制作。
Design of Structure Based on the Pentium M for Mobile Computing and Signal Integrity Analysis 基于PentiumM的移动计算结构设计与信号完整性分析
Conclusion: After vagus cholinergic M receptor was blockaded, the signal of puncturing Zusanli acupoint may regulate gastric activity probably via external SP peptidergic nerve passage. 结论:迷走胆碱能神经M受体被阻断后,针刺足三里信号可能通过外周SP等肽能神经调整胃功能活动。
Rectangular and Hexagonal Sampling in M-D Signal Processing 多维信号处理中的矩形取样与六角取样
Acoustic vector sensor direction estimation based on M sequence phase modulation signal 基于M序列调相信号的矢量水听器方位估计
Secondly, due to the initial value sensitivity of the chaotic sequence, the author brings forward a method to use the chaotic sequence spread spectrum m sequence to generate the original watermark signal. 其次,基于混沌序列对初始值敏感等特性,用混沌序列对m序列进行扩频,生成原始水印信号。
M Channel Multiresolution Signal Decomposition 信号的多通道多分辨分解
Using the inverse M pseudo-random series signal, the least-square method, the auxiliary variable algorithm, the model reference self-adjustment algorithm and the off-line i-dentification, the linear mathematical model for a large-scale vacuum soldering furnace has been established. 利用逆M伪随机序列信号,选用最小二乘算法、辅助变量算法及模型参考自适应算法、离线辨识,建立大型真空钎焊炉数学模型的过程。给出了最终确立的线性数学模型。
When the value of θ ( or z y(ω)) exceeds its given control threshold θ lim ( or M 0), a control signal will be sent to the control system immediately from chatter omen identification system. 当θ或zy(ω)超过了设定的控制门限值后,振动监测系统即向控制系统发出控制信号。
An embedded real-time prediction method for VLSI hot-carrier degradation is presented, and its corresponding test circuit is designed based on 0.18 μ m CMOS mixed signal technology. 提出了一种VLSI热载流子退化的嵌入式实时预测方法,并在0.18μMCMOS混合信号工艺下完成了预测电路设计。
Firstly, the paper models the multivariable discrete state-space model of the air transmission unit by the lab method, using multi-dimensional inverse M series as input stimulus signal. 首先利用多维逆M序列作为激励输入信号,用实验法建立出空气传送部分的多变量离散状态空间模型。
Use the genetic algorithm to search the sequence of m code, respectively analyzes the BPSK signal and GMSK signal pulse compression treatment. We also discuss the method to compensate the impact of Doppler shifts with GMSK signal. 使用遗传算法对m序列码进行搜索,并分别对二相编码信号和GMSK信号的脉冲压缩处理进行了分析,同时讨论了GMSK信号的多普勒补偿问题。
By using M sequence and invert-repeated M sequence as excitation signal, simulator is divided into the linear dynamic part and the nonlinear static part. 通过M序列和逆M序列激励信号,将转台运动模型分解为线性时变和静态非线性两部分,其中非线性部分为时不变系统。
This scheme achieves the aim of finishing searching PN code phase and Doppler frequency simultaneously after reading in M PN code cycles of spread spectrum signal, which shortens the acquisition time greatly. 此方案实现了一次读入M个伪码周期的扩频信号,同时完成伪码相位和多普勒频率搜索的目的,使捕获时间大大缩短。
Besides, we use interpolated Doppler compensation algorithm to compensate the Doppler frequency sidelobe for Barker code and M sequence with different signal to noise ratio. Then we calculate the peak sidelobe level and sidelobe level points. 然后介绍了二相编码信号的多普勒补偿技术,接着用内插多普勒补偿算法对不同信噪比的巴克码,M序列的多普勒频移给予补偿,以及计算峰值旁瓣电平和积分旁瓣电平。
Main realize: Controller self-test; Vehicle speed and motor speed M/ T method measurement; PWM signal of the closed-loop control. 重点实现了:控制器的自检、车速及电机转速的M/T法测速、PWM信号的闭环控制。