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2 to 6.7 GHz

Parallaxes of 6 7 GHz methanol masers towards the G 305 2 high mass star formation region

Parallaxes of 6 7 GHz methanol masers towards the G 305 2 high mass star formation region

... We have not included the data obtained from the Hartebeesthoek 26 m and Warkworth 30 m antennas for the results presented in this paper. The location of the Hartebeesthoek antenna with respect to the rest of the LBA ...

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6 7 GHz maser astrometry with the Australian long baseline array

6 7 GHz maser astrometry with the Australian long baseline array

... 12.2 GHz transitions, class I methanol masers in the 44 GHz transition, water masers at 22 GHz and OH masers at ...of 6 kpc to HMSFRs in our Galaxy (Breen et ...

183

The extraordinary outburst in the massive protostellar system NGC6334I MM1 : emergence of strong 6 7 GHz methanol masers

The extraordinary outburst in the massive protostellar system NGC6334I MM1 : emergence of strong 6 7 GHz methanol masers

... Table 2, and their positions and relative intensities are shown in Figure 1 ...6.7 GHz maser emission: MM1, MM2, CM2, and the UCHII region ...Table 2, and the properties and general locations of the ...

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A 6-10 GHz FM-UWB Transmitter

A 6-10 GHz FM-UWB Transmitter

... Ultra-wideband (UWB) technology is one of the most recent communication technologies which enable data transmission over a wide spectrum of frequency bands from 3.1 to 10.6 GHz with very low power and high data ...

6

A Compact Multiband Omnidirectional GNSS Antenna for Artillery Projectiles Applications

A Compact Multiband Omnidirectional GNSS Antenna for Artillery Projectiles Applications

... 1.268 GHz, 19.9% centered at 1.561 GHz and 19.7% centered at 1.575 GHz, ...than 2 dB. And the measured 6 dB beamwidth is about 110 ◦ over the whole bandwidth in the xz ...

8

High Gain Patch Antenna for Broad Band Application

High Gain Patch Antenna for Broad Band Application

... 2.31 GHz extending from 6.14 GHz to 8.45 GHz having two resonant frequencies at ...6.72 GHz and 8 GHz with percentage bandwidth of ...

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Rain Attenuation Effects on 2 6 GHz WiMAX Networks Deployment in Ghana

Rain Attenuation Effects on 2 6 GHz WiMAX Networks Deployment in Ghana

... Study has revealed that daily rainfall accumulations are universally recorded and hourly data are fairly available by national weather bureaus/environmental agencies [7]. There is still dearth of rainfall rate of ...

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Context aware radio resource management below 6 GHz for enabling dynamic channel assignment in the 5G era

Context aware radio resource management below 6 GHz for enabling dynamic channel assignment in the 5G era

... (Fig. 7), and the differing shapes and symbols can be interpreted as the UEs and the wireless communication ...3.5 Ghz band in contrary to the macro cells that are working on 2 Ghz, giving us ...

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Simulation Modeling on Dispersion Shaping and Harmonic Suppression in Helix TWT from 2 GHz
 to 6 GHz

Simulation Modeling on Dispersion Shaping and Harmonic Suppression in Helix TWT from 2 GHz to 6 GHz

... Firstly, s, the gap between metal segment and helix tape is varied from its initial value 0.8 mm. The phase velocity and interaction impedance is simulated as shown in Figures 4 and 5. It can be seen the phase velocity ...

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History and Advancement of the Family of Log Periodic Toothed Planer Microstrip Antenna

History and Advancement of the Family of Log Periodic Toothed Planer Microstrip Antenna

... and 6 shows the variations of VSWR with frequency for LPTA for trapezoidal, cross and zigzag ...13.0295 GHz to 13.9 GHz the input VSWR is lesser than two (VSWR < ...i.e. 7% of bandwidth is ...

6

6,7 Di­phenyl 5 thia 7 aza­spiro­[2 6]nonan 8 one

6,7 Di­phenyl 5 thia 7 aza­spiro­[2 6]nonan 8 one

... idene]aniline (1.087 g, 6 mmol). Tetrahydrofuran (2.3 mL) was added, the solid dissolved, and the solution was stirred. Pyridine (1.95 ml, 24 mmol) was added and then [1-(sulfanylmethyl)cyclopropyl] acetic acid ...

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7 Di­ethyl­amino 3 [(2Z) 3 (6 meth­­oxy 2 naphth­yl)prop 2 eno­yl] 2H chromen 2 one

7 Di­ethyl­amino 3 [(2Z) 3 (6 meth­­oxy 2 naphth­yl)prop 2 eno­yl] 2H chromen 2 one

... Compounds incorporating benzopyrone structural units possess a wide range of biological activities (Pawar & Mulwad, 2004). Coumarins are an important class of molecules because of their applications in synthetic ...

8

SYNTHESIS AND ANTIFUNGAL ACTIVITY OF 1 SUBSTITUTED 3 (2 (6 CHLOROBENZOTHIAZOL 2 YL) HYDRAZONO)   4, 5/5, 6/5, 7 DIMETHYLINDOLIN 2 ONES

SYNTHESIS AND ANTIFUNGAL ACTIVITY OF 1 SUBSTITUTED 3 (2 (6 CHLOROBENZOTHIAZOL 2 YL) HYDRAZONO) 4, 5/5, 6/5, 7 DIMETHYLINDOLIN 2 ONES

... of 2- hydrazino-6-chlorobenzothiazole with 1-substituted-4, 5/5, 6/5, 7 dimethylindolin-2, 3-diones in equimolar proportions, gave ...

8

(Z) 6 Meth­­oxy 4 (2 meth­oxy­imino 2 phenyl­eth­oxy) 7 methyl­isobenzo­furan 3(1H) one

(Z) 6 Meth­­oxy 4 (2 meth­oxy­imino 2 phenyl­eth­oxy) 7 methyl­isobenzo­furan 3(1H) one

... O1 0.0761 (12) 0.0576 (11) 0.1103 (17) −0.0223 (10) 0.0087 (11) 0.0079 (10) O2 0.0885 (14) 0.0728 (12) 0.0948 (15) −0.0149 (10) 0.0151 (12) 0.0236 (11) O3 0.0581 (9) 0.0407 (8) 0.0541 (10) −0.0036 (7) 0.0050 ...

7

1,5,6 Triphenyl 8 oxa 7 selena 6 phosphabicyclo[3 2 1]octane 6 selone

1,5,6 Triphenyl 8 oxa 7 selena 6 phosphabicyclo[3 2 1]octane 6 selone

... O1 0.0150 (11) 0.0130 (14) 0.0160 (12) 0.0019 (9) −0.0046 (10) 0.0014 (10) C10 0.0132 (16) 0.022 (2) 0.0150 (17) −0.0037 (14) −0.0056 (14) 0.0009 (14) C18 0.0137 (17) 0.017 (2) 0.0194 (18) 0.0013 (14) ...

10

A Miniaturized Quasi-Self-Complementary UWB Antenna with Band-Rejection Characteristic

A Miniaturized Quasi-Self-Complementary UWB Antenna with Band-Rejection Characteristic

... 13.4 GHz) and a compact antenna having a limited occupation area of 157.5 mm 2 are ...5 GHz IEEE 802.11j/n WLAN (5.47–5.725 GHz, 5.725– 5.825 GHz) wireless systems, a five-star-shaped ...

6

Dual-Band Size Deducted Un-Equal Arm Y-Shaped Printed Antenna for Satellite Communication

Dual-Band Size Deducted Un-Equal Arm Y-Shaped Printed Antenna for Satellite Communication

... [11]. Arnab Das, Bipa Datta, Samiran Chatterjee, Bipadtaran Sinhamahapatra, Supriya Jana, Moumita Mukherjee, Santosh Kumar Chowdhury, "Multi-Band Microstrip Slotted Patch Antenna for Application in Microwave ...

5

Design and Performance Evaluation of Semi Adaptive 7  8 8  2 GHz Digital Band Pass Filters for SAR applications

Design and Performance Evaluation of Semi Adaptive 7 8 8 2 GHz Digital Band Pass Filters for SAR applications

... 7.8-8.2 GHZ filter and figure 11 for 380-400 KHz filter, both are of Bartlett types designed using software and hardware respectively, it is clearly seen that noise is suppressed and the test signal has been ...

5

endo (1′R,2′R,5′S,7′R,9′S) 2 (9′ Benzyl­­oxy 2′ phenyl 3′,6′ dioxabi­cyclo­[3 2 2]­nonan 7′ yl) 7 bromo 5,8 di­meth­oxy­naph­thalen 1 yl acetate

endo (1′R,2′R,5′S,7′R,9′S) 2 (9′ Benzyl­­oxy 2′ phenyl 3′,6′ dioxabi­cyclo­[3 2 2]­nonan 7′ yl) 7 bromo 5,8 di­meth­oxy­naph­thalen 1 yl acetate

... Trimethylsilyl trifluoromethanesulfonate (51 ml, 0.266 mmol) and silver perchlorate (2 mg, 5 mol%) were added to a stirred solution of 3-bromo-1,4-dimethoxy-5-hydroxynaphthalene (4) (50 mg, 0.177 mmol) and tri- O ...

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Design and Characterization of a 5 2 GHz/2 4 GHz Fractional  Frequency Synthesizer for Low Phase Noise Performance

Design and Characterization of a 5 2 GHz/2 4 GHz Fractional Frequency Synthesizer for Low Phase Noise Performance

... The details of the actual circuit implementation will not be discussed in this paper, but are similar to those given in [11]. The raw VCO phase noise can be either predicted from a calculation [6] or else ...

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