narrow bandwidth
VLBI observation of narrow bandwidth signals from the spacecraft
... wide bandwidth signals (from several MHz to GHz) from radio stars have been recorded by a fast sampling- rate ...wide bandwidth signals are not ef- fective for real-time tracking of a s/c because they ...
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An L-Band Bandpass Filter with Narrow Bandwidth and Miniature Based on LTCC Technology
... a narrow-band filter which has a bandwidth of 20 MHz and requires high out-of-band ...size, narrow bandwidth and high out-of-band rejection is designed on the basis of LTCC ...with ...
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The generation of impulses from narrow bandwidth signals using resonant spherical chains
... Examples of typical waveforms that resulted from a chain of 1 mm diameter chrome steel spheres are shown in Fig. 2. This shows both the input waveform from the horn, and the output from the far end of the chain, in terms ...
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Increased impedance near cut-off in plasma-like media leading to emission of high-power, narrow-bandwidth radiation
... Here we demonstrate a fundamentally different approach to obtain coherent radiation. Instead of driving the charged particles into harmonic narrow-bandwidth motion (e.g. by bunching), we enhance the ...
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Design and Fabrication of a Narrow-bandwidth Micromechanical Ring Filter using a Novel Process in UV-LIGA Technology
... 0.23% bandwidth, and an insertion loss less than 2 ...a narrow-bandwidth filter with a center frequency of 800 kHz and a percent bandwidth of ...MHz narrow-bandwidth filter as ...
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Slotted dipole microstrip antenna embedded on paper materials for long range communications
... a narrow bandwidth of 460MHz. Due to this narrow bandwidth, a single slot is introduced at the lower position of the dipole element as shown in ...wider bandwidth of 520MHz at ...and ...
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W-CDMA RF Filter with 60 MHz Bandwidth Based on Parallel Connected Baw Stacked Crystal Filters
... inherent narrow bandwidth of this kind of devices and increases their selectivity allocating transmission zeros in the ...MHz bandwidth of a W-CDMA RF application working at ...
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Silicon Photonics: A Review
... modulation bandwidth are both limited. It is suitable for high density and narrow bandwidth ...modulation bandwidth up to 16 GHz. To meet large optical bandwidth reconfigurable ...
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Compact Dual Band MIMO Antenna Design
... Many applications require low profile antennas, especially portable devices such as laptops and mobile phones. Patch antennas and their derivatives are the best candidates for low profile application. When patch ...
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A Single-Layer Wideband Dual-Polarized Antenna with High Isolation
... On the contrary, the printed slot antennas, which have the characteristics of low cost, low profile and easy conformity, become attractive and exhibit enormous study value. There appear some dual- polarized slot ...
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Social richness, socio-technical tension and the virtual commissioning of NHS research
... This highlights an important point. The studies into the effects of reduced social cues referred to above were based on experimental methodologies in non-real world situa- tions using (mostly) student subjects. This ...
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Optimisation of surface topography characterisation for metal additive manufacturing using coherence scanning interferometry
... a narrow bandwidth illumination by manually changing the filter of the source in the instrument between a neutral density (attenuating) filter and a 40 nm band-pass (BP) ...
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Truncated Rectangular Microstrip Antenna with H and U Slot for Broadband
... from narrow bandwidth to low gain ...of narrow impedance bandwidth and low gain many technique have been proposed and investigated ...techniques(2-9).However, bandwidth enhancement and ...
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An optoelectronic equivalent narrowband filter for high resolution optical spectrum analysis
... a narrow bandwidth optical filter with a wide swept range for new generation optical spectrum analysis (OSA) of high performance optical sensors, an optoelectronic equivalent narrowband filter (OENF) is ...
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Simulation study for the Stratospheric Inferred Winds (SIW) sub-millimeter limb sounder
... The InnoSat platform offers a rapidly approaching oppor- tunity to fly SIW. This is important since current SMM limb instruments have already by far exceeded their expected life- times and are at risk of stopping ...
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A Compact Stacked Circularly Polarized Annular-Ring Microstrip Antenna for GPS Applications
... has narrow bandwidth and high-input impedance, a circular parasitic patch suspended above the ring is employed for not only improving the impedance matching and bandwidth, but enhancing the ...
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Time and frequency domain methods for quantifying common modulation of motor unit firing patterns
... a narrow bandwidth and the time domain win- dow includes a greater range of frequencies than this bandwidth, this will bias the time domain estimate to be lower than the peak coherence value as is ...
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Bandwidth Enhancement of An Inset-Fed Rectangular Patch Antenna using Partial Ground with Edge-cut Method
... One of the major disadvantages of patch antennas is the narrow bandwidth typically 3-6% of the operating frequency [1]. Various researchers have carried out different research work on some ways of improving ...
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Axial Ratio Enhancement of Equilateral Triangular-Ring Slot Antenna Using Coupled Diagonal Line Slots
... CP bandwidth but with lower gain than a microstrip-line-fed ...lower bandwidth and gain, such as square ring slot [3, 4] and annular ring slot ...CP bandwidth and gain improvement of this antenna are ...
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Analysis of Epsilon-Near-Zero Metamaterial Super-Tunneling Using Cascaded Ultra-Narrow Waveguide Channels
... The ENZ super-tunneling structure with weakly coupled cascaded ultra-narrow channels is proposed and analyzed. The notable advantages of such structures are demonstrated. First, electric field in the part of ...
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