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lambda方法     
相关语句
  lambda method
     Comparison between performance results for LAMBDA method before and after the integer transformation of ambiguity
     整周模糊度整数变换前后LAMBDA方法的执行结果比较
短句来源
     Study on Selecting Problem of the Optimum Double-Difference Ambiguity in the LAMBDA Method
     LAMBDA方法中最佳双差模糊度选择问题研究
短句来源
     LAMBDA METHOD FOR RIGID BODY ATTITUDE DETERMINATION BASED ON GPS
     GPS载体姿态测量中的LAMBDA方法研究
短句来源
     When using the LAMBDA method to fix an integer ambiguity of GPS carrier phase measurements it is necessary to have a high accuracy of float solution.
     用LAMBDA方法确定GPS载波相位测量的整周模糊度,需要较高精度的浮点解。
短句来源
     In this paper, firstly the basic principles of both the integer learst square method and the LAMBDA method for resolving the integer ambiguity solution are introduced, then the influence of the decorrelating admissible integer transformation on the integer ambiguity solution using LAMBDA method is discussed.
     首先介绍了求取模糊度整数解的整数最小二乘方法的基本原理和LAMBDA方法 ,然后讨论了降相关的可容许整数变换对于LAMBDA方法求取双差模糊度整数解的影响。
短句来源
更多       
  lambda approach
     Return-calculating LAMBDA Approach and Its Search Space
     回代解算的LAMBDA方法及其搜索空间
短句来源
     Based on the return-calculating sequential conditional least-squares technique and the upper-triangular Cholesky decomposition algorithm,a new approach to resolve GPS carrier phase integer ambiguity solution,which is referred as Return-Calculating LAMBDA approach,has proposed in this paper.
     基于回代解算的序贯条件最小二乘技术和上三角的Cholesky分解算法,提出求解载波相位模糊度的一种新算法———回代解算的LAMBDA方法
短句来源
     This approach has a different objective function and a different search space from LAMBDA approach proposed by Teunissen.
     该方法同Teunissen提出的LAMBDA方法相比,有着不同的目标函数和不同的搜索空间。
短句来源
  lambda algorithm
     Ambiguity Resolution of Single Epoch Single Frequency Data withBaseline Length Constraint Using LAMBDA Algorithm
     附有基线长度约束的单频数据单历元LAMBDA方法整周模糊度确定
短句来源
     Then, the method using kalman filteringand LAMBDA algorithm is chosen.
     LAMBDA 方法包括两个步骤,一是模糊度的去相关处理,二是模糊度的搜索确定。
短句来源
     On the basis of LAMBDA method proposed by Teunissen P.J. G. and the concept of damped least-squares estimation, this paper forward a new method called damped LAMBDA algorithm.
     结合Teunissen提出的LAMBDA方法和阻尼最小二乘估计的原理 ,提出了一种新的单历元算法 ,即阻尼LAMBDA方法
短句来源
     This paper puts forward LAMBDA algorithm with baseline length constraint and a two steps search method.
     针对某些GPS动态定位中基线长度精确已知的特性,提出了附有基线长度约束的LAMBDA方法,同时在实践中使用两步搜索,对LAMBDA方法进行了优化。
短句来源
     The results of six examples show that the baseline length constraint and a two steps search method evaluate LAMBDA algorithm.
     实测数据处理结果表明,该方法对LAMBDA方法的改进效果较为显著,能在基线长度已知条件下较高成功率地确定单频单历元数据的整周模糊度。
短句来源
  the lambda method
     Study on Selecting Problem of the Optimum Double-Difference Ambiguity in the LAMBDA Method
     LAMBDA方法中最佳双差模糊度选择问题研究
短句来源
     When using the LAMBDA method to fix an integer ambiguity of GPS carrier phase measurements it is necessary to have a high accuracy of float solution.
     用LAMBDA方法确定GPS载波相位测量的整周模糊度,需要较高精度的浮点解。
短句来源
     In this paper, firstly the basic principles of both the integer learst square method and the LAMBDA method for resolving the integer ambiguity solution are introduced, then the influence of the decorrelating admissible integer transformation on the integer ambiguity solution using LAMBDA method is discussed.
     首先介绍了求取模糊度整数解的整数最小二乘方法的基本原理和LAMBDA方法 ,然后讨论了降相关的可容许整数变换对于LAMBDA方法求取双差模糊度整数解的影响。
短句来源
     (3) The cycle slips of these satellite pairs are calculated using the LAMBDA method and integer ambiguities of the current epoch can be determined by adding the cycle slips into the integer ambiguities of the previous epoch.
     (3)利用LAMBDA方法计算出周跳,与前一历元的模糊度相加,即为当前历元的模糊度。
短句来源
     Combined with the LAMBDA method,the new approach can fix the integer ambiguity correctly and quickly.
     在此基础上,结合LAMBDA方法可以快速地确定整周模糊度。
短句来源
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      lambda method
    The LAMBDA method that was proposed by Teunissen is introduced.
          
    Then, on the basis of both the back-sequential conditional LS technique and the upper-triangular Cholesky decomposition, another form for LAMBDA method is proposed.
          
    This new form for LAMBDA method has the same principle and calculation speed as the traditional LAMBDA method.
          
    Combined with LAMBDA method, DEA can fix the integer ambiguities correctly and quickly using MSEM instead of the covariance matrix of the ambiguities.
          
    The ambiguity resolution by using constraint equation method requires an initial input of the ambiguity float solution candidates which are obtained from the LAMBDA method in the new method.
          
    更多          
      the lambda method
    The LAMBDA method that was proposed by Teunissen is introduced.
          
    The ambiguity resolution by using constraint equation method requires an initial input of the ambiguity float solution candidates which are obtained from the LAMBDA method in the new method.
          
    Does the widelane decorrelate? Does it explicitly appear in the automated transformation step of the LAMBDA method? Can one do better than the widelane? It is shown that all three questions can be answered in the affirmative.
          
    Its outcome is easy to compute due to the absence of an integer search, and its performance is close to optimal if the decorrelating Z-transformation of the LAMBDA method is used.
          
    Several strategies are proposed to reduce the computational complexity of the LAMBDA method.
          
    更多          


    A damped LAMBDA algorithm is used for single epoch GPS positioning combining the condition that baseline length on vessel is fixed, a new method for attitude determination with GPS is put forward. Its advantages are threefolds:( 1) Only use an epoch observation;( 2) Adding damped factors into normal equation to avoid its rank deficiency;( 3) As the three baseline lengths are constant,with dirext adjustment can improve the reliability of ambiguities and positioning precision.

    在作者提出的GPS单历元阻尼LAMBDA算法的基础上,结合固定边长条件,给出了一种GPS姿态定位的新方法。该方法的特点在于:(1)仅利用当前一个历元的GPS观测数据;(2)在单历元法方程中添加阻尼矩阵,克服了LAMBDA方法的局限性,提高了模糊度搜索速度;(3)利用三台接收机的固定边长条件直接平差,可以提高模糊度解算的可靠性和定位精度。

    This paper discusses the principle of single epoch GPS positioning. On the basis of LAMBDA method proposed by Teunissen P.J.G. and the concept of damped least-squares estimation, this paper forward a new method called damped LAMBDA algorithm.

    结合Teunissen提出的LAMBDA方法和阻尼最小二乘估计的原理 ,提出了一种新的单历元算法 ,即阻尼LAMBDA方法

    In this paper, firstly the basic principles of both the integer learst square method and the LAMBDA method for resolving the integer ambiguity solution are introduced, then the influence of the decorrelating admissible integer transformation on the integer ambiguity solution using LAMBDA method is discussed. It is discovered through a short-baseline example that the decorrelating admissible integer transformation for original dual-differenced ambiguity may improve not only the rightness of integer ambiguity...

    In this paper, firstly the basic principles of both the integer learst square method and the LAMBDA method for resolving the integer ambiguity solution are introduced, then the influence of the decorrelating admissible integer transformation on the integer ambiguity solution using LAMBDA method is discussed. It is discovered through a short-baseline example that the decorrelating admissible integer transformation for original dual-differenced ambiguity may improve not only the rightness of integer ambiguity solution but also the resolving speed of ambiguity.

    首先介绍了求取模糊度整数解的整数最小二乘方法的基本原理和LAMBDA方法 ,然后讨论了降相关的可容许整数变换对于LAMBDA方法求取双差模糊度整数解的影响。通过一个短基线的实例计算发现 :对原始的双差模糊度进行降相关的可容许整数变换 ,不仅可提高模糊度整数解的准确性 ,而且还能提高模糊度的求取速度。

     
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