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The set of complementary sequences with multi-width zero cross-correlation zone (ZCCZ) can obtain multiple different zero correlation zone (ZCZ) widths between different sequence groups comprising the sequence set, which ensures a wider usage of such multi-width ZCCZ complementary (MWZC) sequences. This paper further discusses the properties of three zero correlation zone (T-ZCZ) of MWZC sequences...
Statistical fault localization techniques find suspicious faulty program entities in programs by comparing passed and failed executions. Existing studies show that such techniques can be promising in locating program faults. However, coincidental correctness and execution crashes may make program entities indistinguishable in the execution spectra under study, or cause inaccurate counting, thus severely...
A general approach to the kinematics modeling and analyses of articulated all-terrain rovers traversing uneven terrain is describes in this paper. In addition, caster and camber are taken into consideration. Based on a four wheel rover, the model is derived for full 6 DOF motion, enabling movements in the, and directions, as well as rotations of pitch, roll and yaw. Differential kinematics is derived...
Boolean expression is a basic programming element used to evaluate the truth-values of conditions or their combinations. While Boolean expressions may have complicated logical structures, instrumenting them often needs heavyweight transformation to source code or work with low-level program implementation, which results in cumbersome code and great difficulties to maintenance. As a result, previous...
Based on concatenating iteration, multiple complementary sequence sets which are orthogonal each other are proposed. Each complementary sequence set of the constructed multiple sets is composed of multiple complementary sequences with each complementary sequence containing a flock of element sequences. The complementary sequences in the same complementary sequence set possess ideal auto-correlation...
Based on any two orthogonal matrixes with the number of rows of one matrix equal to the number of columns of another matrix, a novel set of complementary sequences is proposed. The constructed complementary sequences with each sequence including a flock of element sequences have ideal auto-correlation and cross-correlation properties, where the correlation function of a complementary sequence is equal...
Regression testing assures changed programs against unintended amendments. Rearranging the execution order of test cases is a key idea to improve their effectiveness. Paradoxically, many test case prioritization techniques resolve tie cases using the random selection approach, and yet random ordering of test cases has been considered as ineffective. Existing unit testing research unveils that adaptive...
Based on the interleaving technique, a general design of orthogonal sequences with alternate periodic correlation values equal to zero is proposed. The proposed sequence set can be divided into two groups. In addition to traditional orthogonal properties, the periodic auto-correlation functions (ACFs) and intra-group cross-correlation functions (CCFs) of the designed sequences take zero at any odd...
A general construction of grouped complementary (GC) codes for multicarrier CDMA systems is proposed. The construction is based on perfect codes which have ideal periodic autocorrelation function. Different from traditional complementary codes, the constructed GC codes are divided into multiple code groups. The codes in the same group have ideal correlation properties and those from the different...
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