A voltage signal tria ( tt / pw ) added by normal noise . is demonstrated for 2 - d dependence of the waveform on time and trials and 2 - d dependence of spectrum on frequency and trials to show different time domain and frequency domain properties of a random process including noise and signal 以加上准常态杂讯之三角波电压讯号为例，图示含有杂讯电压讯号其波形随时间及试验之二维变动及频谱随频率及试验之二维变动，显示杂讯与讯号之随机过程在时域与频域之不同特性。
A voltage signal rect ( tt / pw ) multiplied by normal noise is demonstrated for 2 - d dependence of the waveform on time and trials and 2 - d dependence of spectrum on frequency and trials to show different time domain and frequency domain properties of a random process including noise and signal 以乘上准常态杂讯之方波电压讯号为例，图示含有杂讯电压讯号其波形随时间及试验之二维变动及频谱随频率及试验之二维变动，显示杂讯与讯号之随机过程在时域与频域之不同特性。
A modulated signal of rect ( tt / pw ) added by a zero mean uniform noise . is demonstrated for 2 - d dependence of the waveform on time and trials and 2 - d dependence of spectrum on frequency and trials to show different time domain and frequency domain properties of a random process including noise and signal 以双边递减波电压讯号加上含有准常态杂讯为例，图示含有杂讯电压讯号其波形随时间及试验之二维变动及频谱随频率及试验之二维变动，显示杂讯与讯号之随机过程在时域与频域之不同特性。
In this part , the high - frequency series inverter with resonant pole capacitor is introduced mainly . the current - exchanging processes of the inverter in different working modes are analyzed , how to reduce the switching loss is discussed , and the calculating methods of snubber capacitor c , factor angle switching frequency and pulse width pw are given in optimum switching process . and results of simulation and experiment verify the validity of theoretic analysis 接着重点研究了含有谐振极无损缓冲电容的逆变器，对其换流过程中的不同工作状态进行分析，讨论了如何减小逆变器的开关损耗，给出了最佳工作状态下缓冲电容c 、感性角、开关频率、触发脉冲的脉宽pw的详细计算方法，并通过大量的仿真和实验波形证明了理论分析的正确性。
On the whole , gps pw data assimulation will improve precipitation prediction . 6 , gps zwd assimulation ingests atmospheric information observed by gps into mm5 initial fields more easily than gps pw assimulation so that the initial fields of humidity , temperature , pressure and wind can be modified in a greater degree 6 、 gps湿延迟量资料的三维变分同化比gps可降水量资料同化更容易将gps对大气的监测信息传递给mms模式初始场，使得对模式初始湿度、温度、气压和风场的调整程度大于gps可降水量资料同化对模式初始要素场的调整
Mm5 has a ability of simulating zwd on the whole with a bias larger than zhd ' s , which manipulates the bias of ztd simulation . the increase of mm5 resolution can improve the ability of simulating and depicting zhd , zwd and pw distribution . kf , bm and grell parametric schemes have a close ability of simulating pw at the beginning of 10 - 11h integration of mm5 model , and then the prediction bias of pw increases obviously after 20 - 21h integration 在mm5模式24h积分的前10 11h ，选用kf 、 bm和grell三种积云参数化方案模式对可降水量的预报偏差基本接近，对可降水量具有较好的预报能力，其后三种积云参数化方案对可降水量的预报偏差差异增大，模式积分至20 21h后对可降水量的预报能力明显减小。
Grell scheme can simulate pw more accurate than others for coarse grid of mm5 and pw simulation of bm scheme is less accurate than others for fine grid of mm5 . 3 , the initial humidity fields reanalyzed by using gps pw can obviously improve its capability in revealing the water vapor distribution , which can result in restraining pw prediction bias during the earlier period of model integration so as to improve pw prediction 3 、用gps测量的可降水量资料调整mm5模式湿度初始场可明显增强模式初始场描述水汽分布的能力，使其对可降水量的描述误差明显减小，有利于模式初始场更好地反映出水汽分布的局地特征，从而有效地控制模式积分初期对可降水量的预报误差。
3 . make a study on multi - parameter sorting method for radar signal , which uses the parameter including pri , pw , rf and doa . discuss the method ’ s flow , thought , arithmetic and simulation . make an emphasis on improving fast pri sorting arithmetic which can satisfy the real time requirement 3 .对雷达多参数联合分选方法进行了详细的研究,详细的讨论了分选的流程,思想,算法,和仿真实现,并提出了一种改进的雷达主分选算法,大大缩短了分选的时间,基本能够满足实时的分选要求。
4 . dicussing soil pressure ( supposed as p ) and level displacement ( supposed as s ) in condition that consideration time performance , the relation is p = ae , when the defomation of wall has evidently effect on the soil pressure . 5 . the deformation of wall ( supposed as sw ) leads to soil layer sedimentation ( supposed as pw ) , the research find pw = 1 . 22sw 6 . the artifical neural networks has vast and applied foreground in the information construcion of deep foundation excluding the accidental factor 4 、探讨了考虑时间效应的土压力和位移关系曲线，认为在当墙体的变形对土压力分布产生明显影响时，二者间的关系可用一指数函数来表达： p = ae ~ ( ( / s ) ) 5 、墙体侧向变形，导致墙后土体产生沉降，在本次研究中，排除掉基坑降水施工因素的影响，由墙体变形导致的墙后土体沉降，二者具有p _ w = 1 . 22s _ w关系； 6 、将基于时间窗口滚动多步神经网络预测方法和应用于深基坑工程墙体变形的预测工作，具有较高的预测精度，该方法在岩土工程变形预测方法中具有广泛的应用前景。
A modulated signal of rect ( tt / pw ) added by a zero mean uniform noise . is demonstrated for 2 - d dependence of the waveform on time and trials and 2 - d dependence of spectrum on frequency and trials to show different time domain and frequency domain properties of a random process including noise and signal 以方波电压讯号加上均匀杂讯乘以无杂讯载波之调变讯号为例，图示含有杂讯电压讯号其波形随时间及试验之二维变动及频谱随频率及试验之二维变动，显示杂讯与讯号之随机过程在时域与频域之不同特性。
