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  1. 4101
    “…Hepatic parenchyma appeared to be wholly or partially affected by lesions characterized by heterogeneous areas crossed by numerous, irregular, anechoic tracts ranging from 1 to 2 cm in length and 0.1 to 0.2 cm in width. …”
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    Αcute visceral cysticercosis caused by Taenia hydatigena in lambs: ultrasonographic findings
  2. 4102
    “…Routine US revealed an anechoic tumor with linear echogenic septal lines and compressibility. …”
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    Evaluation of thyroid hemangioma by conventional ultrasound combined with contrast-enhanced ultrasound: a case report and review of the literature
  3. 4103
    “…In conformal array radar, due to the directivity of antennas, the responses of the echo signals between different antennas are distinct, and some antennas cannot even receive the target echo signal. …”
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    Two-Stage Fast DOA Estimation Based on Directional Antennas in Conformal Uniform Circular Array
  4. 4104
    “…CLINICAL DISCUSSION: An emergency abdominal ultrasound scan showed a 47 ∗ 34 ∗ 55 mm ill-defined hyperechoic heterogeneous mass with anechoic cystic vascular spaces within it, in the posterior wall of the uterus away from the endometrium that extended to the serous layer of the uterus. …”
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    Fertility-sparing uterine lesion resection in a woman with hemoperitoneum due to invasive mole: A rare case report
  5. 4105
    “…The designed prototype has been characterized in an anechoic chamber achieving a stable gain greater than 19 dBi in almost the complete DVB-S band, from [Formula: see text] GHz to 12 GHz with a sectorial beam of [Formula: see text]. …”
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    Design and Validation of a Reflectarray Antenna with Optimized Beam for Ground Target Monitoring with a DVB-S-Based Passive Radar
  6. 4106
    “…The recordings were reproduced using a 3D sound reproduction system installed in a large anechoic chamber located at The University of Auckland. …”
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    Quantification of the Psychoacoustic Effect of Noise from Small Unmanned Aerial Vehicles
  7. 4107
    “…The medial part of the image showed presence of fluid in an anechoic region, instead of brain parenchyma. Falx cerebri was also seen as a floating hyperechoic line in the middle part in all patients. …”
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    Ultrasonographic approach and findings in calves with hydranencephaly
  8. 4108
    “…The scattering parameter S(11) trends were then measured by means of a Vector Network Analyzer, while the realized gains and 3D radiation diagrams were measured in the anechoic chamber. The experimental results show that all SsDRAs display relevant wideband behavior of 2 GHz at −10 dB in the sub-6 GHz range.…”
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    Rapid Prototyping of Bio-Inspired Dielectric Resonator Antennas for Sub-6 GHz Applications
  9. 4109
    por Du, Lin, Sun, Ying
    Publicado 2019
    “…Ultrasonography showed a substantive hypoechoic mass within the left adductor longus muscle with an anechoic area, which was ill-defined and rich in blood supply on color Doppler flow imaging (CDFI). …”
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    Skeletal muscle metastasis from squamous cell lung cancer was first found by ultrasound: a case report
  10. 4110
    por Rahaman, Ashiqur, Kim, Byungki
    Publicado 2022
    “…The whole array is first analytically simulated and then experimentally measured in an anechoic chamber. Both results are found to be compliant, and the angular resolution of sound source localization in three dimensions is found to be ±2° at the normal axis. …”
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    An mm-sized biomimetic directional microphone array for sound source localization in three dimensions
  11. 4111
    “…Listening studies, for example, may present controlled sounds using calibrated transducers in sound-attenuating or anechoic chambers. In contrast, remote testing takes place outside of the laboratory in everyday settings (e.g., participants' homes). …”
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    FORUM: Remote testing for psychological and physiological acoustics
  12. 4112
    “…In the laboratory self-made pool and anechoic pool experiments, the average relative distance error of our method is 1.04 percent, and the average detection speed is 0.088 s (11.36 FPS). …”
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    Fast Underwater Optical Beacon Finding and High Accuracy Visual Ranging Method Based on Deep Learning
  13. 4113
    por Biberger, Thomas, Ewert, Stephan D.
    Publicado 2022
    “…The results suggest that detection thresholds and quality ratings for distorted speech in anechoic conditions are also valid for rooms with mild reverberation, but not for moderate reverberation. …”
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    Binaural detection thresholds and audio quality of speech and music signals in complex acoustic environments
  14. 4114
    “…The liver parenchyma was heterogeneous and filled with multiple small anechoic cavities. Twenty-three months after ceasing the prednisolone, there was no recurrence of hepatic cysts.…”
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    Feline Cyst-like Lymphocytic Cholangiohepatitis in a Cat: First Case Report
  15. 4115
    “…The antenna performance is evaluated in terms of its radiation pattern via installed antenna simulations and measurements in an anechoic chamber. The effect of different installation heights on the antenna pattern is studied. …”
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    Design and Installed Performance Analysis of a Miniaturized All-GNSS Bands Antenna Array for Robust Navigation on UAV Platforms
  16. 4116
    por Dilruba Geyikoglu, Miraç
    Publicado 2023
    “…Effect of flexibility on the antenna performance is tested for different configurations in the simulation and anechoic chamber environments. According to the results obtained, the overall performance is not affected except for the shift in frequency. …”
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    A novel UWB flexible antenna with dual notch bands for wearable biomedical devices
  17. 4117
    “…For proof of concept only FSS Design 1 is fabricated and measured in an anechoic chamber. The simulated and measured results exhibit good agreement. …”
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    Novel versatile topologies and design optimization of wide-bandstop frequency selective surfaces for X-band, Ku-band and millimeter-wave applications
  18. 4118
    “…We performed these experiments in an anechoic chamber to minimise extraneous sound, and find little consistent effect of either sound frequency or intensity on the growth rate, maltose consumption, or ethanol production of this yeast strain. …”
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    Direct liquid transmission of sound has little impact on fermentation performance in Saccharomyces cerevisiae
  19. 4119
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    A Positive Control for Detection of Functional CD4 T Cells in PBMC: The CPI Pool
  20. 4120
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    Crystallization of Nanocrystals in Spherical Confinement Probed by in Situ X-ray Scattering
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