Sistem Pendukung Keputusan Pemilihan Kinerja Karyawan Terbaik Menggunakan Metode Simple Additive Weight

Sistem Pendukung Keputusan adalah bagian dari sistem informasi berbasis komputer termasuk sistem berbasis pengetahuan atau manajemen pengetahuan yang di pakai untuk mendukung pengambilan keputusan di dalam suatu organisasi atau perusahaan. Saat ini pengelolaan data penilaian karyawan perusahaan masih dilakukan dengan manual, sehingga semakin besar resiko kesalahan dalam mengelola data dan membutuhkan waktu yang relatif lama. Untuk mempermudah perhitungan penentuan kinerja karyawan terbaik maka penulis menggunakan metode Simple Additive Weighting (SAW). Metode simple additive weighting ini di pilih karena metode ini menentukan nilai bobot untuk setiap atribut, kemudian dilanjutkan dengan proses perangkingan yang akan menyeleksi alternatif-alternatif yang sudah di tentukan seperti etika atau kepribadian, kedisplinan, absensi, tanggung jawab, kerja sama, kemampuan memimpin, kecepatan kerja, ketelitian kerja dan kualitas hasil kerja. Dengan metode perangkingan tersebut, diharapkan penilaian akan lebih tepat karena didasarkan pada nilai kriteria dan bobot yang sudah ditentukan sehingga akan mendapatkan hasil yang lebih akurat terhadap siapa yang akan menerima reward/penghargaan tersebut.

Wave Propagation in Layered and Sandwich Structures

In this thesis, an analysis of wave propagation in symmetric planar waveguides or sandwich structures is studied with specific emphasis on the properties of the materials used in these structures. We consider four different models for the waveguide problems and discuss them for the propagation of electromagnetic surface and guided waves under various situations. These proposed models may offer possible applications to design and fabricate new sandwich or waveguide structures operating at microwave frequencies. In our first theoretical model, we analyse transverse electric (TE) surface waves for a plasma medium bounded by two ferrite films. The characteristic equations for the field components are derived and a dispersion relation is analytically obtained by using boundary conditions for the tangential field components. Numerical analysis shows the plots of effective wave index with surface wave frequency for different thicknesses and number densities of the plasma medium, and also for the different values of the dielectric constant of the ferrite films. In the second theoretical model, the characteristics of nonlinear TE surface waves are analysed in a plasma medium bounded by Kerr-type double-negative (DNG) metamaterials (MTMs). In this connection, the electric and the magnetic field components, the dispersion relation, and the power flow in the direction of propagation are derived. The dispersion relation and the power flow are numerically analysed for variations in different parameters of the guiding structure. We also examine the special cases for nonlinear single-negative (SNG) MTMs. The third model deals with the propagation of nonlinear TE surface waves in a structure consisting of a ferrite slab sandwiched between a Kerr-type DNG metamaterial (MTM). In addition to a DNG MTM, two special cases with nonlinear SNG MTMs have also been discussed. The dispersion relations are obtained by applying the boundary conditions to the tangential field components of each layer. The propagation characteristics are plotted numerically for the effective wave index versus propagation frequency. In the subsequent model, we discuss the propagation of electromagnetic waves in a high-temperature superconducting parallel-plate waveguide filled with an indefinite medium. In this connection, we obtain dispersion relations of transverse electric (TE) and transverse magnetic (TM) wave modes. We numerically analyse the regions of propagation/nonpropagation for the different cases of TE and TM wave modes by plotting the phase velocity against the propagation frequency for different cases.