Touchstone S参数矩阵报告

操作示例

示例输入

! Two-port RI measurements; input order S11,S21,S12,S22
# S R 75 MHz RI
1 0.1 0 0.8 -0.2 0.02 0.01 0.15 0 ! sample one
2 0.2 0 0.7 -0.1 0.03 0.01 0 0

{"secondary":"","params":{"ports":"2","spreadsheetSafe":true}}

示例输出

{"format":"Touchstone-1.0-1.1-bounded-S-profile","summary":{"ports":2,"frequencies":2,"complexPairs":8,"comments":2,"representation":"RI","frequencyUnit":"MHz","referenceOhms":75,"status":"declared-S-parameter-profile","inputBytes":154},"options":{"unit":"MHz","parameter":"S","representation":"RI","referenceOhms":75,"rawReference":"75","defaulted":[],"line":2,"byteOffset":57,"rawLine":"# S R 75 MHz RI"},"source":{"name":"pasted.txt","bytes":154,"sha256":"c2d6fbb95e650e367fd2ceaf34b63e6af84471edee03226a1eb081334e2380e1","text":"! Two-port RI measurements; input order S11,S21,S12,S22\r\n# S R 75 MHz RI\r\n1 0.1 0 0.8 -0.2 0.02 0.01 0.15 0 ! sample one\r\n2 0.2 0 0.7 -0.1 0.03 0.01 0 0\r\n"},"comments":[{"line":1,"column":1,"byteOffset":0,"text":"! Two-port RI measurements; input order S11,S21,S12,S22"},{"line":3,"column":35,"byteOffset":108,"text":"! sample one"}],"frequencies":[{"index":1,"raw":"1","frequencyHz":1000000,"line":3,"column":1,"byteOffset":74,"pairs":[{"row":1,"column":1,"raw":["0.1","0"],"source":{"line":3,"columns":[3,7],"byteOffsets":[76,80]},"real":0.1,"imag":0,"magnitude":0.1,"phaseDeg":0,"dB":-20},{"row":2,"column":1,"raw":["0.8","-0.2"],"source":{"line":3,"columns":[9,13],"byteOffsets":[82,86]},"real":0.8,"imag":-0.2,"magnitude":0.8246211251235321,"phaseDeg":-14.036243467926479,"dB":-1.6749108729376365},{"row":1,"column":2,"raw":["0.02","0.01"],"source":{"line":3,"columns":[18,23],"byteOffsets":[91,96]},"real":0.02,"imag":0.01,"magnitude":0.022360679774997897,"phaseDeg":26.56505117707799,"dB":-33.01029995663981},{"row":2,"column":2,"raw":["0.15","0"],"source":{"line":3,"columns":[28,33],"byteOffsets":[101,106]},"real":0.15,"imag":0,"magnitude":0.15,"phaseDeg":0,"dB":-16.478174818886377}]},{"index":2,"raw":"2","frequencyHz":2000000,"line":4,"column":1,"byteOffset":122,"pairs":[{"row":1,"column":1,"raw":["0.2","0"],"source":{"line":4,"columns":[3,7],"byteOffsets":[124,128]},"real":0.2,"imag":0,"magnitude":0.2,"phaseDeg":0,"dB":-13.979400086720375},{"row":2,"column":1,"raw":["0.7","-0.1"],"source":{"line":4,"columns":[9,13],"byteOffsets":[130,134]},"real":0.7,"imag":-0.1,"magnitude":0.7071067811865476,"phaseDeg":-8.13010235415598,"dB":-3.0102999566398116},{"row":1,"column":2,"raw":["0.03","0.01"],"source":{"line":4,"columns":[18,23],"byteOffsets":[139,144]},"real":0.03,"imag":0.01,"magnitude":0.03162277660168379,"phaseDeg":18.434948822922014,"dB":-30},{"row":2,"column":2,"raw":["0","0"],"source":{"line":4,"columns":[28,30],"byteOffsets":[149,151]},"real":0,"imag":0,"magnitude":0,"phaseDeg":0,"dB":"-Infinity"}]}],"scope":"Explicit ports1–4; one scalar-reference option line; LF/CRLF physical rows. Derived values are float64 approximations; raw numeric lexemes and ASCII byte/line coordinates are retained. No circuit/device/calibration/reciprocity validation. Unsupported: second/late options, per-port reference, other parameters, noise,2.x keywords or wrapping outside this physical row profile.","precision":"RI is direct; MA/DB uses reduced degree angles and float64 trigonometry. phaseDeg is normalized by atan2. Exact zero has phase0 and dB string -Infinity. Lexical nonzero float64 underflow or nonfinite derived ranges return Unsupported."}

出现问题时

核对明确端口数与.sNp文件名、唯一#选项、ASCII及支持的物理行。修正非法或非递增频率；对不支持配置明确重导出。组合计数或完整产物超限时缩小输入重跑，不交付部分矩阵。

常见问题