• In this research, MATLAB is utilized to simulate different conditions under which the subgroup number and shift are various and calculate the signal probability.

    研究过程中,主要使用MATLAB编制相应的模拟运算程序模拟生产数据,然后对不同样本量偏移量分别进行模拟计算

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  • The probability density function (PDF) is constructed from the time distributions of signal and backgrounds and the relations among time, time uncertainty, mass, and mass difference variables.

    根据信号、本底时间分布以及时间、时间误差质量、质量差等变量之间关系构建概率密度函数

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  • Firstly, the obtained radar signal radio frequency, pulse width, repeat frequency are composed to get a combined probability assignment function of radar parameters by applying D-S method.

    首先侦察雷达能探测目标雷达信号载频应用证据理论将其组合,得到雷达参数联合概率分配函数

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  • Probability statistics parameter was used to describe the pertinence of engineering signal variables as well as the use of correlate analysis technology in engineering test.

    介绍运用概率统计参量描述工程信号变量相关性,及相关分析技术工程测试中的应用

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  • To improve the Signal-to-noise Ratio(SNR) and detecting probability of small target in infrared image sequences, a novel method of target detection based on spatial-temporal filtering is proposed.

    为了提高红外图像序列弱小目标检测概率,同时考虑检测算法实时性,提出一种新的基于时域滤波目标检测方法

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  • Based on data rate conversion technology, wideband digital EW receiver is able to achieve high intercept probability, high sensibility and the ability of approximately real-time signal processing.

    建立数据转换技术之上宽带数字侦察接收机要求能够实现截获概率、高灵敏度近乎实时信号处理能力

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  • Random pulse position modulation (RPPM) signal not only has good resolution of distance and velocity, but also has low probability of interception and strong properties of eccm.

    随机调制信号不仅具有良好距离速度分辨力而且具有较低被截获概率和较高的抗干扰性能

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  • Channelized receiving of wide band radar signal and 100 percent of probability of intercept can be realized by channelized receiver based on SAW filter Banks.

    声表面波滤波器核心信道接收机可以实现雷达信号宽频的信道化接收100%的截获概率

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  • The LFM signal has a high resolution of range and speed, as well as low probability of intercept.

    LFM信号具有更高距离速度分辨率以及更好的截获概率特性。

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  • There has been four kinds of main early warning models of exchange crisis at present, namely "signal" approach, probit model, cross-county regression model and subjective probability method.

    目前已经出现了主要外汇危机预警模型信号方法概率单位方法截面回归方法以及主观概率法。

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  • Finally, the Low Probability of Intercept (LPI) of SPRI-SF radar signal is analyzed.

    最后,分析了参差脉冲重复间隔步频率信号截获概率特性。

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  • Because the probability density function of MQAM signal obeys L-S distribution, so it may construct the algorithm of discerning with L-S distribution.

    由于MQAM信号概率密度函数服从莱斯分布从而莱斯分布来构造识别算法

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  • The simulation results show that the proposed method succeeds in detecting low speed target with low false alarm probability in low signal to noise ratio environment.

    仿真实验表明检测方法比环境中,低速目标进行有效检测。

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  • According to amplitude analysis of the measurement signal, the probability DE sign method of finding the spring stiffness of the tractor's hydraulic draft control system is stud ied.

    实测信号依据,通过值域分析,探讨拖拉机液压系统调节弹簧刚度概率设计方法

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  • In the process of target detection, depth bomb fuze will undergo the interference from echo signal of neighborhood bomb that is the primary factor which causes high false-alarm probability.

    引信目标进行探测过程遇到来自邻近深弹回波信号干扰,邻弹干扰导致警概率增加的最主要因素

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  • Estimates the magnitude sensitivity, magnitude valid range and probability of star capture based on signal detection and probability statistics.

    信号探测概率统计为理论基础星等探测灵敏度、星等有效范围探测概率进行了分析与估算

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  • When the probability of the photoelectrons produced by the detector is of Poisson or Gaussian distribution, the detectivity and false alarm probability of the signal are calculated respectively.

    探测器产生光电子概率泊松分布高斯分布情况下,分别信号探测率进行了定量的计算

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  • Theoretical analysis and the results of simulation show that coherent accumulation can improve UWB radar target recognition probability in the condition of low signal noise ratio.

    理论分析计算机仿真结果表明情况下相参积累方法可以提高UWB雷达目标识别概率

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  • Aimed at the application of low probability of intercept adopting pulse compression system, a new arithmetic of recognizing binary phase coded pulse compression radar signal is proposed.

    针对采用脉冲压缩体制截获概率雷达应用场合,提出识别编码脉冲压缩雷达信号算法

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  • The influence of the ratio of signal to noise, probability of false alarm, and the number of equations on detection probability was analyzed.

    分析了最小二乘法使用方程信噪概率检测概率的影响

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  • Channelization code management can increase the throughput, decrease the blocking probability of call setup requests, and reduce the signal Peak to Average Power Ratio (PAPR) in 3g systems.

    合理信道资源管理策略设计可以提高3g系统吞吐量降低用户的呼叫阻塞率降低信号功率

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  • The amplitude spectrum line and the amplitude spectrum function are proposed for the airborne particle scattering light signal, and their properties are studied in probability space.

    针对粒度仪标定的准确度 ,在概率空间基础上 ,提出尘埃粒子散射信号幅度概率线散射光信号幅度概率谱函数的概念 ,并对谱线概率空间下的性质进行了研究。

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  • 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.

    随机噪声数字信号处理具有重要实用价值,噪声产生具有指定概率分布伪随机噪声的基础

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  • These are both kind of like one in 50, one in 100 probability that the background could fluctuate up to be a signal.

    有点五十分之一,一百分之一概率情境下才会有一个信号波动

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  • Radar signal sorting is a key technology of radar reconnaissance. The probability of radar signal sorting becomes an important indicator of radar reconnaissance system performance.

    雷达信号分选雷达侦察中的一项关键技术,信号分选概率也日渐成为衡量侦察系统性能重要指标

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  • The vibration signal is processed as stochastic dynamic signal and analyzed by the method of probability density and statistics, thus the trend of sand production of heavy oil-well.

    信号处理时把该信号看作随机动态信号,采用概率密度统计学方法进行分析从而预测出稠油油井出趋势

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  • Synthesis and integration can improve the signal-to-noise ratio (SNR) of output signal, thus increasing the signal detection probability and extending the radar range.

    合成积累可以提高输出信号信噪比从而增大信号检测概率增加雷达的作用距离

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  • This method can verify the validity of the signal more accurately, can reduce the probability of signal into the multi-fault logic to judge the situation.

    方法准确地判断信号是否有效,同时能减少信号进入多故障逻辑进行判断情况

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  • Using the method of transition probability flow graphs (TPFG), the average sampling number to signal for these charts is given, and the average time to signal for these charts is deduced.

    利用转移概率(TPFG)方法得到了发信号前的平均样本数,进而推导出了发信号前的平均时间

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  • Using the method of transition probability flow graphs (TPFG), the average sampling number to signal for these charts is given, and the average time to signal for these charts is deduced.

    利用转移概率(TPFG)方法得到了发信号前的平均样本数,进而推导出了发信号前的平均时间

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