Eco-friendly and effective method of white grub control is needed to reduce the impact of pesticide on the environment and the cost of control. The use of nematode as a biological agent to control larvae under soil was positive. The challenge is about the accuracy in time, location and amount of biological control agent required for control at initial infestation of the harmful insects, to reduce the damage the use of wireless sensor network (WSN) is required. Work carried out, sent at a threshold value of CO2 under the soil determine from lab to greenhouse to open field experiments. Initial stage detection of these insects life cycle is required for accurate time and location for control of these insect pests for resource effectiveness. This location can be communicated to a mobile phone via Global System for Mobile Communication (GSM) with Global Packet Radio Service modules (GPRS). Next challenge is to quantify the CO2 level from the white grubs as part of soil respiration, and to estimate their population. The farmers could be trained as listeners to survey for acoustic evidence of insects and to identify them by distinctive spectral and temporal pattern. Acoustic detection can be used to estimate the population of white grubs. A hypothesis of 90% success of the combination of CO2 burst sensing from white grubs (GMM221 sensor) as a generic signal with volatile compound as a specific signal from plant roots under insect attack and using Laboratory Virtual Instrument Engineering Workbench (LabVIEW) is considered. In the future, a universal sensor is to be developed for high accuracy with LabVIEW monitoring interface.
The design of compact dual band grid array antenna (GAA) designed on FR-4 substrate for future Fifth Generation (5G) Mobile Communications at 10 GHz is reported. The proposed antenna uses coaxial technique of feeding and has a dimension of 48 mm × 55 mm × 1.6 mm. Simulation results using CST microwave studio illustrates that the antenna has a band from 10.03 GHz to 10.68 GHz and another band from 10.7 GHz to 12.23 GHz. This excludes the 10.68 – 10.7 GHz band in which emissions were forbidden by the Radio Regulations in the sense that it has been allocated for the Radio Astronomy, Space Research and Earth Exploration Satellite (passive). The antenna has a maximum gain of 8.03 dBi at 10 GHz, thus a good candidate for the future 5G mobile communications.
Penelitian ini bertujuan menguji dan menganalisis pengaruh langsung profesionalisme terhadap kinerja auditor, pengaruh profesionalisme terhadap reward, pengaruh langsung komitmen organisasi terhadap kinerja auditor, pengaruh komitmen organisasi terhadap reward, dan pengaruh reward terhadap kinerja auditor pada Kantor Inspektorat Provinsi Sulawesi Selatan. Metode analisis yang digunakan dalam penelitian ini adalah analisis regresi linear berganda yang digunakan untuk menganalisis apakah variabel eksogenus (profesionalisme, komitmen organisasi dan reward) mempengaruhi variabel endogenus (kinerja auditor). Hasil penelitian menunjukkan bahwa variabel profesionalisme, komitmen organisasi dan reward berpengaruh positif dan signifikan terhadap kinerja auditor selanjutnya variabel profesionalisme dan komitmen organisasi juga berpengaruh positif dan signifikan terhadap reward pada Kantor Inspektorat Provinsi Sulawesi Selatan. Dari hasil pengujian memilki signfikansi t-hitung > t-tabel, atau 3,221 > 1.683, maka profesionalisme berpengaruh positif dan signifikan terhadap reward. Dengan ini berarti semakin tinggi sikap profesionalisme seorang auditor maka akan semakin tinggi pula reward yang akan diterima. t-hitung > t-tabel, atau 2.723 > 1.683, maka komitmen organisasi berpengaruh positif dan signifikan terhadap reward, dengan ini berarti pemberian reward dapat meningkatkan komitmen dalam organisasi. t-hitung > t-tabel, atau 6,287> 1.683, maka profesionalisme berpengaruh positif dan signifikan terhadap kinerja auditor, dengan ini berarti sikap profesionalisme dapat meningkatkan kinerja auditor, semakin tinggi sikap profesionalisme yang dimiliki oleh auditor maka akan semakin tinggi pula kinerja auditor. t-hitung > t-tabel, atau 4.014 > 1.683, maka komitmen organisasi berpengaruh positif dan signifikan terhadap kinerja auditor, dengan ini berarti komitmen organisasi dapat meningkatkan kinerja auditor. t-hitung > t-tabel, atau 2,591 > 1.683, maka reward berpengaruh positif dan signifikan terhadap kinerja auditor yang berarti reward dapat meningkatkan kinerja seorang auditor.
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