전북대학교
국제 학술 회의지 ( International Conference Papers )
| Num |
제목(Subject) |
발표지(Paper) / 다운로드(Download) |
|---|---|---|
| 186 |
Frequency Tunable Circulator Using Spatiotemporal Modulation of Mixed Static and Time-Modulated Resonators |
|
| 185 |
Ultra-compact Substrate Integrated Waveguide Bandpass Filter with Unequal Termination Impedance and Wide-stopband Characteristics |
|
| 184 |
A Conceptual Design of Microwave Power Dividing Amplifiers |
|
| 183 |
Unequal Termination Impedance 3 dB Branch Line Hybrid Coupler |
|
| 182 |
Arbitrary Power Division Ratio Multi-functional Filtering Power Divider With Reciprocal and Non-reciprocal Frequency Response |
|
| 181 |
Quasi-Elliptic Tunable Bandpass Filter With Controllable Transmission Zero Locations |
|
| 180 |
Frequency Tunable Filtering Power Divider With Arbitrary Power Division Ratio and Transmission Zeros |
|
| 179 |
Design of Quarter-Mode SIW BPF With Ultra-Wide Stopband and Impedance Matching Functionality |
|
| 178 |
A Design of Filtering Quasi-Circulator Using Time-Modulated Resonators |
|
| 177 |
Design of SIW BPF Matching Network with Ultra-Wide Stopband and High Out-Of-Band Signal Suppression Characteristics |
|
| 176 |
Multi-Functional Filtering Power Divider with Tunable Center Frequency and Isolator Functionality |
|
| 175 |
Quasi-Elliptic Bandpass Filter with Controllable Multiple Transmission Zeros Using Coupled Line |
|
| 174 |
Ultra-Compact Substrate Integrated Waveguide Bandpass Filter with Unequal Termination Impedance |
|
| 173 |
Quasi-Input Reflectionless Bandpass Filter with Quasi-Elliptic Response and Controllable Transmission Zeros Using Coupled Lines |
|
| 172 |
Nonreciprocal Filtering Power Divider Using Mixed Static and Time-Modulated Resonators: Numerical Design Approach and Experimental Validation |
|
| 171 |
A Size-reduction CPW Ring Hybrid Coupler Using a Phase Converting Structure |
2023 PhotonIcs & Electromagnetics Research |
| 170 |
Unequal Termination Impedances Bandpass Filter Based on Different-mode Substrate Integrated Waveguide Cavity |
2023 PhotonIcs & Electromagnetics Research |
| 169 |
Magnetless Nonreciprocal Bandpass Filter Using Time- modulated Resonators |
2023 PhotonIcs & Electromagnetics Research |
| 168 |
X-band Filter-Amplifier for Radio Frequency Front-End |
|
| 167 |
Arbitrary Prescribed Wideband Flat Group Delay Higher-Order |
|
| 166 |
A Design of 3-pole Couple Line Bandpass Filter using Group |
2022 International Symposium on Antenna and |
| 165 |
Filtering Differential Phase Shifter with Arbitrary Prescribed |
2022 International Symposium on Antenna and |
| 164 |
Cattle Face Pose Estimation Using Landmark Points for Smart |
The 11th International Conference on Smart Media & Application, pp. 1-4, Oct. 2022 |
| 163 |
Transfer learning with Self-Supervised Vision Transformer for |
2022 Conference and Labs of the Evaluation |
| 162 |
Microstrip Line Non-Reciprocal Bandpass Filter with Tunable Center Frequency |
2022 IEEE International Symposium on Radio- |
| 161 |
RF Front-End Transmitting System for Agricultural Application |
2022 IEEE International Symposium on Radio- |
| 160 |
Design of Matching Network with Bandpass Filtering Response Using Stepped Impedance Resonator |
|
| 159 |
The Design of Class-F Power Amplifier by Using Asymmetrical Composite Right-/Left-handed Transmission Line |
|
| 158 |
Quasi-Reflectionless differential phase shifter with Arbitrary Prescribed Group Delay and Flat Phase Difference |
|
| 157 |
Group Delay Analysis Approach for Quasi-Reflectionless Power Divider with Flate Phase Difference |
|
| 156 |
Filtering Power Divider with Arbitrary Prescribed Phase Difference |
|
| 155 |
Reconfigurable Series Negative Capacitor Using Coupled Line Negative Group Delay Circuit and Varactor Diode |
Asia-Pacific Microwave Conference, |
| 154 |
Compact Square/Triangle Mixed-Shape Quarter-Mode Substrate Intergrated Waveguide Bandpass Filter with Wide Stopband |
|
| 153 |
Arbitrary Terminated Negative Group Delay Circuit with Constant Signal Attenuation and Its Application to Absorbtive Bandstop Filter |
|
| 152 |
High Self-Interference Cancellation Antenna for In-Band Full Duplex Communication System |
|
| 151 |
λ/4Transmission Line Using Composite Right/Left Handed Uint Cells for Dual Band Application |
International Symposium on Information Technology Convergence, pp. 416-418, Sep. 2019. |
| 150 |
Dual Band Biasing Circuit Using CRLH TL |
International Symposium on Information Technology Convergence, pp. 419-421, Sep. 2019. |
| 149 |
A Return Loss Equalizer Using Non-reciprocal Device for In-band Full-duplex RF Front-end |
Europe-Korea Conference on Science andTechnology, |
| 148 |
Compact Wide-stopband Quarter-mode SIW Bandpass Filter with Triangle Cavity |
|
| 147 |
CMOS Microwave Bandpass Filter Using High Q Active Inductor |
|
| 146 |
Wideband Phase Shifter Using 3 Types of LC Resonant Circuits for Phase Slope Alignment |
|
| 145 |
Substrate-Integrated Waveguide Impedance Matching Network with Bandpass Filtering |
|
| 144 |
Arbitrary Prescribed Wideband Flat Group Delay Circuit for Self-Interference Cancellation Circuits |
|
| 143 |
A Design of Balun Bandpass Filter for Wide Stopband Attenuation Base on Stepped Impedance Resonators |
|
| 142 |
CMOS Microwave Bandpass Filter Using High Q Active Inductor |
International Symposium on Information Technology Convergence, pp. 619-621, Oct. 2018. |
| 141 |
Wideband Negative Group Delay Circuit Using 180° Hybrid and In-Phase Power Combiner |
International Symposium on Information Technology Convergence, pp. 309-311, Oct. 2018. |
| 140 |
A Study Of Matching Network For X-Band MMIC High Power Amplifier |
International Symposium on Information Technology Convergence, pp. 423-425, Oct. 2018. |
| 139 |
Quasi-MMIC High Power Amplifier with Silicon IPD Matching Network |
|
| 138 |
Abitrary Terminated Coupler with Tunable Negative and Positive Group Delay Responses |
|
| 137 |
λ/2Stepped Impedance Resonator Parallel/ Antiparallel Coupled-line Bandpass Filter with a Wide Stopband Characteristic |
|
| 136 |
Wideband Flate Group Delay Circuit for Self-interference Cancellation in Full Duplex |
|
| 135 |
T-shaped Slot Loaded Rectangular Patch Antenna with Enhanced Bandwidth Using Defected Ground Structure |
|
| 134 |
Design of a Size-reduced Microwave Amplifier Uisng an Asymmetrical Spiral-DGS |
|
| 133 |
Voltage-dependent Action Potential Generator Circuit for Biological Neuron |
International Symposium on Information Technology Convergence, pp. 268-271, Oct. 2017. |
| 132 |
Design of a Wideband Amplifier Using a Cascode Structure and Feedback Network |
International Symposium on Information Technology Convergence, pp. 193-195, Oct. 2017. |
| 131 |
A Design of Tunable Phase Shifter Using Capacitive Termination |
International Symposium on Information Technology Convergence, pp. 184-186, Oct. 2017. |
| 130 |
A Design of Impedance Transformer with Wide Stopband and 3f0 Harmonic Suppression |
International Symposium on Information Technology Convergence, pp. 180-183, Oct. 2017. |
| 129 |
Wide viewing angle negative dispersion retarder by stacking layers with opposite birefringence |
International Symposium on Information Technology Convergence, pp. 172-174, Oct. 2017. |
| 128 |
Joint Design of Interference Spin and Linear Transceivers for Two-Way Multi-Link Interference Networks |
International Symposium on Information Technology Convergence, pp. 196-198, Oct. 2017. |
| 127 |
Arbitrary Power Division Ratio Power Divider With Prescribed Wideband Negative Group Delay |
2017 European Microwave Conference, pp. 13-16, Oct. 2017 |
| 126 |
Harmonics Suppressed Band-pass Matching Network for High Effeciency Power Amplifier |
|
| 125 |
Bandwidth Enhancement of Negative Group Delay Circuit Using Finite Unloaded Quality Factor Resonators |
International Symposium on Microwave and Optical Technology , June. 2017 |
| 124 |
Deep RNN-CNN Based Activity Detection from Video |
|
| 123 |
Application of Transmission Line-based Inductors to Dual-band Branch Line Couplers |
|
| 122 |
A Design of 180 Coupler with Predefined Negative Group Delay Characteristics |
|
| 121 |
A Fully Integrated Variable Gain Amplifier for X -band Application |
|
| 120 |
X -band GaN Power Amplifier Using Interposer -based MMIC |
|
| 119 |
Wideband CMOS High-Q 2-port Active Inductor using Parallel LC resonance Circuit |
|
| 118 |
A Compact Ultar-wideband Bandpass Filter with High Return Loss Characteristic |
|
| 117 |
Transmitter Cooperation with 5 and 8 User Topological Interference Management |
International Symposium on Information Technology Convergence, pp. 103-107, Oct. 2016. |
| 116 |
Design of Voice Control Assister for the Hearing Impaired Person |
International Symposium on Information Technology Convergence, pp. 356-358, Oct. 2016. |
| 115 |
Multistage Voltage Booster for Wastewater Treatment System Using Plasma |
International Symposium on Information Technology Convergence, pp. 194-196, Oct. 2016. |
| 114 |
Fully On-Chip CMOS Active Negative Group Delay Circuit |
International Symposium on Information Technology Convergence, pp. 163-165, Oct. 2016. |
| 113 |
RF Energy Harvesting Circuits for Low Power Applications |
International Symposium on Information Technology Convergence, pp. 96-97, Oct. 2016. |
| 112 |
Study for Realization of Arbitrary Inductance Values using Distributed Elements and Capacitors |
|
| 111 |
A Compact MIMO Antenna with High Isolation for S, C and V Band Applications |
|
| 110 |
A Power Divider with Positive and Negative Group Delay Characteristics |
|
| 109 |
A Dual-band Balanced Amplifier with CRLH Transmission Lines Fully Implemented |
|
| 108 |
A Design of Phase Shifter with Constant Insertion Loss |
|
| 107 |
Elliptic Function Based Band Pass mm Wave Filter for Wireless Communication |
|
| 106 |
Low Noise Figure CMOS 2-Port Active Inductor Using LC Resonator |
|
| 105 |
A Design of Negative Group Delay Power Divider: Coupling Matrix Approach with Finite Unloaded-Qu Resonators |
|
| 104 |
Power Divider with Tunable Positive and Negative Group Delays Using Parastic Compensated PIN Diode |
|
| 103 |
Analysis and Design of Conventional Wideband Branch Line Balun |
International Symposium on Information Technology Convergence, |
| 102 |
Tunable Negative Group Delay Power Divider for Communication Systems |
International Symposium on Information Technology Convergence, |
| 101 |
Design of a Dual-Band Balanced Amplifier using a CRLH Transmission Line Structure |
International Symposium on Information Technology Convergence, |
| 100 |
Low Complexity Detection for Spatial Modulation Aided Single Carrier Systems |
International Symposium on Information Technology Convergence, |
| 99 |
A Design of Unequal Power Divider With Positive and Negative Group Delays |
2015 European Microwave Conference. pp. 127-130. September 2015. |
| 98 |
A Design of Unequal Termination Impedance Power Divider with Filtering and Out-of-band Suppression Characteristics |
2015 Europeon Microwave Conference. pp. 124-126. September 2015. |
| 97 |
Coupled Line Power Divider with Multiple-pole Negative Group Delay Characteristics |
|
| 96 |
A Microstrip Line with Additional Capacitive and Inductive Effects Loaded |
|
| 95 |
Bandpass-to-allstop Switchable Filter with Broadband Harmonics Suppresion |
|
| 94 |
High Frequency-Selectivity Impedance Transformer |
|
| 93 |
Dual-Band Negative Group Delay Circuit Using Defected Microstrip Structure |
|
| 92 |
Harmonic Suppressed Power Amplifier Using Defected Ground Structure |
International Conference on Smart Media and Applications, December 2014. |
| 91 |
Transmission Line Negative Group Delay Circuit With Multiple-poles Characteristics |
|
| 90 |
CMOS RF Energy Harvesting Rectifier Using Body Bias Feedback Technique |
International Symposium on Information Technology Convergence, |
| 89 |
Frequency Selective Coupled Lines Impedance Transformer |
International Symposium on Information Technology Convergence, |
| 88 |
Orthogonal Space-Time Block Code with Full Diversity and Rate for Four Transmit Antenna |
International Symposium on Information Technology Convergence, |
| 87 |
BER Performance of Windows Cyclic Prefix-COQAM scheme for AWGN and Rayleigh Channel |
International Symposium on Information Technology Convergence, |
| 86 |
Tunable Negative Group Delay Circuit With Improved Signal Attenuation |
International Symposium on Information Technology Convergence, |
| 85 |
Block Circulant Toeplitz Jacket Matrix for Correlated MIMO Channel |
International Symposium on Information Technology Convergence, |
| 84 |
Coupled Line Negative Group Delay Circuits With Very Low Signal Attenuation and Multiple-Poles Characteristics |
|
| 83 |
Negative Group Delay Network Using CMOS Cascade Amplifier and Bonding-wire |
|
| 82 |
4-way Power Divider Using Common DGS and Stacked-substrate Structure |
|
| 81 |
On-chip CMOS RF Energy Harvesting System Using Parasitic Capacitance Compensation Technique |
|
| 80 |
Negative Group Delay Circuit with Independently Tunable Center Frequency and Group Delay |
Asia-Pacific Microwave Conference, pp. 197-199, November 2013. |
| 79 |
Compact Negative Group Delay Circuit Using Defected Ground Structure |
Asia-Pacific Microwave Conference, pp. 22-24, November 2013. |
| 78 |
A Length-reduced Microstrip Line with Inductive and Capacitive Perturbations |
Progress In Electromagnetics Research Symposium, pp. 1644, August 2013. |
| 77 |
A Design of Multi-harmonics Load Network for Class-S Power Amplifier |
Progress In Electromagnetics Research Symposium, pp. 1636, August 2013. |
| 76 |
Dual-band Impedance Matching Network with Transmission Zeros Using Resonators |
Progress In Electromagnetics Research Symposium, pp. 627, August 2013. |
| 75 |
Miniaturized Negative Group Delay Circuit Using Defected Microstrip Structure and Lumped Elements |
|
| 74 |
Design of Tunable Negative Group Delay Circuit for Communication Systems |
IEEE Radio-Frequency Integrated Technology. pp.59-61. November 2012. |
| 73 |
Dual-Mode Bandpass Filter with Independently Tunable Center Frequency and Bandwidth |
IEEE Radio-Frequency Integrated Technology. pp.56-58. November 2012. |
| 72 |
Design of a Miniaturized Branch Line Coupler Using Common Defected Ground Structure |
IEEE Antennas and Propagation Society International Symposium, July 2012. |
| 71 |
A Size-Reduced Ring Hybrid Using Common DGS |
IEEE Antennas and Propagation Society International Symposium, July 2012. |
| 70 |
Charactreistic Impedance of a Defected Microstrip Line Structure |
Progress In Electromagnetics Research Symposium, pp.708, March 2012. |
| 69 |
A Tunable Group Delay Circuit for Time Delay Matching Applications in Communication Systems |
Asia-Pacific Microwave Conference Proceeding, December 2011. |
| 68 |
Analysis and Circuit Modeling Method for Defected Microstrip Structure in Planar Transmission Lines |
Asia-Pacific Microwave Conference Proceeding, December 2011. |
| 67 |
A Miniaturized Low Pass Filter Using Common Defected Ground Structures |
Progress In Electromagnetics Research Symposium, pp.768, September 2011. |
| 66 |
A Design of Size-reduced Low Pass Filter Using Artificial Dielectric Substrate Structure |
Progress In Electromagnetics Research Symposium, pp.665, September 2011. |
| 65 |
A Design of Composite Negative Group Delay Circuit with Lower Signal Attenuation for Performance Improvement of Power Amplifier Linearization Techniques |
|
| 64 |
A Directional Coupler Using Back-to-Back Microstrp Lines and Common Defected Ground Window Structures |
Progress In Electromagnetics Research Symposium, pp.56, March 2011. |
| 63 |
A Design of Size-Reduced Negative Group Delay Circuit Using a Stepped Impedance Resonator |
Asia-Pacific Microwave Conference Proceeding, pp. 1118-1121, December 2010. |
| 62 |
Mathematical Analysis of Novel Low Phase Deviation Variable Attenuator |
Asia-Pacific Microwave Conference Proceeding, pp. 1743-1746, December 2010. |
| 61 |
Characterization of the power amplifier group delay by using predistortive cancellation technique |
2010 European Microwave Conference. pp. 1014-1017. September 2010. |
| 60 |
DMS harmonic termination load network for high efficiency power amplifier applications |
2010 European Microwave Conference. pp. 946-949. September 2010. |
| 59 |
2.14/3.5 GHz novel dual-band negative group delay circuit design based on composite right/left handed transmission line |
2010 European Microwave Conference. pp. 441-444. September 2010. |
| 58 |
A Calculation Method for Frequency Dependent Characteristic Impedance and Slow-wave Factor of Microwave Transmission Lines with a Perturbation |
Progress In Electromagnetics Research Symposium, pp.273, March 2010. |
| 57 |
A Balanced Power Amplifier Utilizing the Reflected Power Amplifier |
Radio-Frequency Integrated Technology. pp.88-91. December 2009. |
| 56 |
A Multi Crossing Wire Bonding Technique for High Power Transistor Packages |
2009 European Microwave Conference. pp. 1353-1356. September 2009. |
| 55 |
Synthesis of Reflection Type Negative Group Delay Circuit Using Transmission Line Resonator |
2009 European Microwave Conference. pp. 902-905. September 2009. |
| 54 |
A Compact DGS Load-Network for Highly Efficient Class-E Power Amplifier |
2009 European Microwave Conference. pp. 492-495. September 2009. |
| 53 |
Synthesis of Negative Group Delay Time Circuit |
Asia Pacific Microwave Conference Proceeding. B5-08. December 2008. |
| 52 |
Delayed Matching Compensated CMOS Microwave Frequency Doubler |
2008 European Microwave Conference Proceeding. pp. 464-467. October 2008. |
| 51 |
Digital Controlled Co-channel Feedback Interference Cancellation System with Broadband Cancellation |
2008 European Wireless Technology Conference Proceeding. pp. 194-197. October 2008. |
| 50 |
An Active Resonator |
Asia Pacific Microwave Conference Proceeding, pp. 2677 - 2680, December 2007. |
| 49 |
Dual-band Feedforward Linear Power Amplifier |
Asia Pacific Microwave Conference Proceeding, pp. 1261 - 1264, December 2007. |
| 48 |
A Novel Design of Frequency Multipliers |
Asia Pacific Microwave Conference Proceeding, pp. 431 - 434, |
| 47 |
A Modified CMOS Frequency Doubler Considering |
International Symposium on Information Technology Convergence, pp. 392-395, November 2007. |
| 46 |
A New DGS Unequal Power Divider |
2007 European Microwave Conference, |
| 45 |
High Efficiency Distributed Amplifier |
|
| 44 |
Novel High-Q Inductor using Active Inductor Structure and Feedback Parallel Resonance Circuit |
|
| 43 |
A Novel Design of Frequency Tripler |
|
| 42 |
Cross Post-distrotion Balanced Power Amplifier |
|
| 41 |
An Unequal Wilkinson Power Divider |
|
| 40 |
Doherty Amplifier Using Load Modulation |
2006 European Microwave Conference, |
| 39 |
A Novel Design of Frequency Multiplier |
2006 European Microwave Conference, |
| 38 |
1:6 Unequal Wilkinson Power Divider |
2006 European Microwave Conference, |
| 37 |
A Design of Co-channel Feedback Interference Cancellation System using Analog Control |
|
| 36 |
Feedforward Amplifier |
|
| 35 |
Microwave Group Delay Time Adjuster |
|
| 34 |
A 800-to 3200-MHz Wideband CPW Balun |
|
| 33 |
Linearity Improvement of Power Amplifier using Modulation of Low Frequency IMD Signals |
Asia Pacific Microwave Conference Proceeding vol. 4, pp. 1156~1159 , December 2005. |
| 32 |
HBT Doherty Amplifier Using Ballast Resistor Control and Arbitrary Termination Impedance Power Divider |
Asia Pacific Microwave Conference Proceeding vol. 2, pp. 884~887, December 2005. |
| 31 |
Group Delay Adjuster Using Resonance Circuit |
Asia Pacific Microwave Conference Proceeding vol. 4, pp. 2176~2179, December 2005. |
| 30 |
Dual-band Predistortion Power Amplifier |
Asia Pacific Microwave Conference Proceeding vol. 1, pp. 208~211, December 2005. |
| 29 |
An Analog Linearizer Using Second Harmonic Signals |
2005 European Microwave Conference, |
| 28 |
A Size-Reduced CPW Balun using a X-Crossing Structure |
2005 European Microwave Conference, |
| 27 |
A Design of Amplifier using Harmonic Termination |
2005 European Microwave Conference, |
| 26 |
A Design of K-band Predistortion Linearizer |
2005 European Microwave Conference, |
| 25 |
The Study of Behavioral Model of Power Amplifier |
Asia Pacific Microwave Conference Proceeding pp. 697, December 2004. |
| 24 |
A Design of Predistortion Linearizer |
Asia Pacific Microwave Conference Proceeding pp. 1042, |
| 23 |
The Design of Predistortion Linearizer |
Asia Pacific Microwave Conference Proceeding pp. 765, December 2004. |
| 22 |
A Design of the Second Order Low Freuqency |
Asia Pacific Microwave Conference Proceeding |
| 21 |
An Advanced Equivalent Circuit of |
2004 European Microwave Conference, vol. 3, pp. 1357-1360, October 2004. |
| 20 |
A Novel Frequency Doubler |
Asia Pacific Microwave Conference Proceeding vol.2, pp. 1118-1121, November 2003. |
| 19 |
The Drain Mixer Design |
Asia Pacific Microwave Conference Proceeding vol.2, pp. 1114-1117, November 2003. |
| 18 |
A Design of Predistortion Linearizer Using 2nd Order |
2003 European Microwave Conference, vol. 1, pp. 249-252, October 2003. |
| 17 |
Size Reduction and Harmonic Rejection of Microwave Amplifiers Using Spiral-Defected Ground Structure |
2003 European Microwave Conference, vol. 3, pp. 1421-1424, October 2003. |
| 16 |
A Design of Predistortion HPA |
|
| 15 |
Nonlinear distortion compensation of LD using predistorter |
Asia Pacific Microwave Conference Proceeding vol. 2, pp. 1041-1044, November 2002. |
| 14 |
Design of a new predistorter using low frequency |
Asia Pacific Microwave Conference Proceeding vol.1, pp. 149-152, November 2002. |
| 13 |
Design of Amplifier using Defected Ground Structural DC Block |
Asia Pacific Microwave Conference Proceeding vol. 1, pp. 393-396, November 2002. |
| 12 |
Harmonic Reduction Amplifier using |
2002 European Microwave Conference, |
| 11 |
Analog Controlled Adaptive Feedforward Amplifier |
2002 European Microwave Conference, |
| 10 |
Amplifier Design using λ/4High Impedance Bias Line |
|
| 9 |
A RX Cancellation Loop Configuration |
Asia Pacific Microwave Conference Proceeding vol. 3, pp. 1199-1202, December 2001. |
| 8 |
Design of a RF Fixed Phase Control Circuit |
Asia Pacific Microwave Conference Proceeding vol. 3, pp. 1195-1198, December 2001. |
| 7 |
A Feedforward Power Amplifier with Loops that can reduce |
2001 European Microwave Conference, |
| 6 |
A Design of Predistortive High Power Amplifier |
2001 European Microwave Conference, |
| 5 |
A Design of the Noble Vector Modulator |
|
| 4 |
A Modified Predistortion Technique for Mixer Linearizaion |
2000 European Microwave Conference |
| 3 |
A Design of Predistortive Linearizing HPA |
2000 European Microwave Conference |
| 2 |
The Design of closed loop type BPF |
|
| 1 |
The Design of Automatic Gain and Phase Controlled Amplifier |
Asia Pacific Microwave Conference Proceeding vol.1,pp.18-20,October1995. |