diff --git a/docs/images/交流六轮速查.svg b/docs/images/交流六轮速查.svg
new file mode 100644
index 00000000..cdbd4928
--- /dev/null
+++ b/docs/images/交流六轮速查.svg
@@ -0,0 +1,106 @@
+
diff --git a/docs/images/交流定数取中位数.svg b/docs/images/交流定数取中位数.svg
new file mode 100644
index 00000000..f0a66a58
--- /dev/null
+++ b/docs/images/交流定数取中位数.svg
@@ -0,0 +1,100 @@
+
diff --git a/docs/测试说明/专项验证/ADC前端注入验证流程.md b/docs/测试说明/专项验证/ADC前端注入验证流程.md
index 9a938931..ecf05068 100644
--- a/docs/测试说明/专项验证/ADC前端注入验证流程.md
+++ b/docs/测试说明/专项验证/ADC前端注入验证流程.md
@@ -291,6 +291,10 @@ TPAFE 是双极性、二进制补码,可以注负压;STM32 是单极性,
>
> **引用写法**:本节凡引用判据文档的小节,一律写成「文件名 + 小节号」的紧邻形式;只写 §8.x 的是本文自己的节。
+先下图建立全局轮廓——每一轮注什么波形、验什么、读哪个出口,再进 §8.5 逐轮执行卡:
+
+
+
### 8.1 动手前先把出口分辨率算清楚(决定今天能判到哪一档)
这一轮和直流轮次**不一样:样本出口已经有了**。2026-10-29 故障录波的数据面并入主干,一次触发就是一段
@@ -369,6 +373,18 @@ TPAFE 是双极性、二进制补码,可以注负压;STM32 是单极性,
4. **电流通道也是注电压**:`IA` 的注入点同样是电压进 R19 端子侧。这一轮证的是"给定引脚电压算得对不对",
不是"一次侧 1 A 怎么办"——后者要变比,属 `docs/任务规划/数据可信.md` §5 的端子 / 子板变比确认。
+四条接线画在一张图上(发生器 → 端子侧焊盘是一条主干,万用表并接、共地是两条必须存在的旁路):
+
+```mermaid
+flowchart LR
+ G["信号发生器
输出端接 = 高阻
(按 50 Ω 端接读数差 2 倍)"] -->|"注 UA / UN / IA:端子侧焊盘
(1:1 已由直流轮次实测)"| R31["串阻 1 k 的 1 脚侧
R31 / R28 / R19 …"]
+ R31 --> FE["前端分压 / 滤波"] --> U5["U5 排针 → 转换器引脚
(TPAFE AIN_x 或 STM32 脚)"]
+ M["万用表 AC 档
记响应类型"] -.->|"并接同一注入点
量真实加到板上的电压"| R31
+ G -.->|"LO/GND 与板 AGND
单点共地"| AGND["板 AGND"]
+ AGND -->|"不共地量到的是两地之差"| U5
+ G -.->|"注 UB 等 STM32 那五路(仅削顶轮)
负半周经片内钳位 ≈1.1 mA"| R52["R52 端子侧"] --> STM["STM32 ADC 脚
(无外置钳位 / 隔直电容)"]
+```
+
### 8.4 记录表抬头(每条用例一份,与日志一起归档)
```text
@@ -389,6 +405,31 @@ TPAFE 是双极性、二进制补码,可以注负压;STM32 是单极性,
**瞬时基波有效值透传**、200 ms 是上送节拍不是平均窗(`docs/任务规划/数据可信.md` §4.5),
单行读数带拍频式跳动,必须看一片取**中间水平(中位数)**才能定数。
+通用动作主干与两处分岔(采集链没清 → 回头修;偏差没进 → 先复核查再判):
+
+```mermaid
+flowchart TD
+ W["接好本路,开机前置门已过(§8.2)"] --> ON["开发生器输出"]
+ ON --> ST["等 ≥30 s:相量窗与 meas 轨稳定"]
+ ST --> HB["取连续 ≥10 行心跳"]
+ HB --> Q1{"frames 在涨、adc1_err = 0 ?"}
+ Q1 -->|"否:是节拍 / 丢帧问题"| TRI["先查 §8.8 分诊
别归因给波形"]
+ TRI -.->|"修复后重来"| ST
+ Q1 -->|是| MED["10 行读数排序
取第 5、6 个的平均 = 中位数"]
+ MED --> Q2{"与期望的偏差在判据内?"}
+ Q2 -->|是| OK["记通过"]
+ Q2 -->|"否"| CHK["先复核查:发生器端接、
万用表响应类型、共地"]
+ CHK -->|"复查仍超"| BAD["记不通过,进 §8.8 分诊"]
+ CHK -->|"查出问题改完重测"| ST
+ OK --> OFF["关输出,填记录表"]
+ BAD --> OFF
+ OFF --> NEXT["下一条 / 下一轮"]
+```
+
+为什么这一步是"中位数"而不是单行或平均——机理与操作:
+
+
+
#### 幅值轮:基波幅值(主用例,先做)
| 项 | 内容 |
diff --git a/tools/arch_diagram/README.md b/tools/arch_diagram/README.md
index cb428933..1673ec0f 100644
--- a/tools/arch_diagram/README.md
+++ b/tools/arch_diagram/README.md
@@ -25,6 +25,8 @@
| `gen_sample_ring_why_svg.py` | 采样环缓冲_为什么需要 | 上游 1 kHz 覆盖写只交最新一帧 vs 下游要 20 点滑窗:缺口 19 点与三个消费者 |
| `gen_sample_ring_layout_svg.py` | 采样环缓冲_环形布局 | 40 格环里哪 20 格是本窗、写指针指「下一格」、回绕与三条设计不变量 |
| `gen_sample_ring_start_svg.py` | 采样环缓冲_窗首下标 | 窗首 = head − n 的圆周走法,与「直接减 / 16 位回绕 / 先加 DEPTH」三种写法对照 |
+| `gen_ac_rounds_svg.py` | 交流六轮速查 | 执行手册 §8 六轮总览卡:每轮注什么波形(正弦/方波三角/异相/扫频/削顶/谐波叠加缩略图)、判据一句话、主读数出口 |
+| `gen_ac_median_svg.py` | 交流定数取中位数 | 「连取 10 行取中位数」的机理(全周窗滑动 → 读数拍频跳)与操作(中位数 vs 平均 vs 单行对真值)两栏数值示意 |
## 使用方式
diff --git a/tools/arch_diagram/gen_ac_median_svg.py b/tools/arch_diagram/gen_ac_median_svg.py
new file mode 100644
index 00000000..9da983a2
--- /dev/null
+++ b/tools/arch_diagram/gen_ac_median_svg.py
@@ -0,0 +1,274 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+"""生成 docs/images/交流定数取中位数.svg —— 交流轮为什么必须「连取 10 行心跳、取中位数」:
+左半讲机理(全周窗逐拍滑动 → 单行带拍频跳动),右半讲操作(10 行里任何单行都可能撞
+波峰波谷、毛刺行拖偏算术平均,中位数对两头都钝感)。
+
+为什么不用 Mermaid:本图是两幅带刻度的数值示意图(正弦 + 窗框、散点 + 三条水平基准线),
+坐标与数值就是语义本身;Mermaid 只能画盒子和箭头,画不出「中位数线贴着密集簇、
+平均线被毛刺拽走」这个高度差对比。
+
+用法(仓库根目录,任意 python3):
+ python tools/arch_diagram/gen_ac_median_svg.py
+输出:
+ docs/images/交流定数取中位数.svg
+改内容:`vals` / 文案变了才重跑;调坐标编辑下方常量。数值一律硬编码,保证逐字节幂等。
+"""
+import html
+import math
+import os
+import sys
+import xml.etree.ElementTree as ET
+
+
+def emit(s):
+ """控制台打印按目标编码替换,绝不因 GBK 终端遇上 −/≈ 之类字符而崩
+ (generated-fresh 钩子会把本脚本拷进临时目录重跑,崩了就是一片假红)。"""
+ enc = getattr(sys.stdout, "encoding", None) or "ascii"
+ sys.stdout.write(s.encode(enc, "replace").decode(enc, "replace") + "\n")
+
+ROOT = os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
+OUT = os.path.join(ROOT, "docs", "images", "交流定数取中位数.svg")
+
+# ----------------------------- 画布与尺寸 -----------------------------
+W = 1060
+H = 566
+PAD = 46
+RIGHT = W - PAD
+
+FONT = "Microsoft YaHei, Segoe UI, PingFang SC, sans-serif"
+TITLE_FONT = 21
+SUB_FONT = 12.5
+HEAD_FONT = 13.5
+BODY_FONT = 11.5
+TINY_FONT = 10.5
+
+INK = "#0f172a"
+LINE = "#334155"
+MUTED = "#64748b"
+FAINT = "#94a3b8"
+RULE = "#cbd5e1"
+WHITE = "#ffffff"
+C_BLUE = "#2563eb"
+BG_BLUE = "#eff6ff"
+C_GREEN = "#16a34a"
+C_ROSE = "#e11d48"
+BG_ROSE = "#fff1f2"
+C_AMBER = "#d97706"
+
+# ----------------------------- 数据(改这里) -----------------------------
+TITLE = "交流轮为什么连取 10 行、取中位数 —— 机理与操作"
+SUB1 = ("meas: 是瞬时基波有效值透传:200 ms 是上送节拍、不是平均窗(数据可信 §4.5)——"
+ "单行可能恰好抓到波峰或波谷,毛刺行会拖偏算术平均,中位数对两头都钝感")
+
+# 十行 ua_mv(1 mV 分辨率):第 9 行是偶发毛刺行
+VALS = [998, 1003, 996, 1001, 999, 1006, 997, 1004, 1002, 1030]
+GLITCH_I = 9
+TRUE_V = 1000.0
+YLO, YHI = 988.0, 1036.0
+
+OPS_NOTE = ("操作:稳定 ≥30 s 后,把连续 10 行心跳的 ua_mv 记进记录表(备注顺手记跳动区间 min–max),"
+ "排序取第 5、6 个的平均 = 本条代表数;偏差 % 用它对万用表 × 1000。")
+FOOTNOTE = ("非整 50 Hz 时 meas: 来回跳是预期(§8.8 分诊同一条);扫频时读 freq(hb),别读 meas:。"
+ "左图频差为示意刻意夸大,实拍跳动只有几个 LSB 的量级。")
+
+# ----------------------------- 布局 -----------------------------
+LPX, LPW = PAD, 424 # 左面板(机理)
+RPX, RPW = 522, RIGHT - 522 # 右面板(操作)
+PLOT_T, PLOT_B = 176.0, 404.0
+HDR_Y = 146.0
+
+# ----------------------------- 工具函数 -----------------------------
+def esc(s):
+ return html.escape(s, quote=True)
+
+
+def text_w(s, fs):
+ """粗略估算文本像素宽:CJK/全角 ≈ 1.0em,其余 ≈ 0.58em(宁可偏大)。"""
+ return sum(fs * (1.0 if ord(ch) >= 0x2E80 else 0.58) for ch in s)
+
+
+OVERFLOW = []
+
+
+def check_fit(s, fs, avail, where):
+ if text_w(s, fs) > avail:
+ OVERFLOW.append("%s: %.0f > %.0f [%s]" % (where, text_w(s, fs), avail, s))
+
+
+def txt(x, y, s, fs, fill, weight=400, anchor=None):
+ a = "" if anchor is None else ' text-anchor="%s"' % anchor
+ w = "" if weight == 400 else ' font-weight="%d"' % weight
+ return ('%s'
+ % (x, y, fs, a, w, fill, esc(s)))
+
+
+def line(x1, y1, x2, y2, color=LINE, width=2.0, dash=None):
+ d = "" if dash is None else ' stroke-dasharray="%s"' % dash
+ return (''
+ % (x1, y1, x2, y2, color, width, d))
+
+
+def rect(x, y, w, h, fill, stroke=None, rx=8, sw=1.6):
+ s = "" if stroke is None else ' stroke="%s" stroke-width="%g"' % (stroke, sw)
+ return '' % (
+ x, y, w, h, rx, fill, s)
+
+
+def poly(pts, color, sw=2.0, dash=None):
+ d = "" if dash is None else ' stroke-dasharray="%s"' % dash
+ p = " ".join("%.1f,%.1f" % (x, y) for x, y in pts)
+ return ('' % (p, color, sw, d))
+
+
+def wrap(s, fs, avail, max_lines, where=""):
+ if text_w(s, fs) <= avail:
+ return [s]
+ lines = []
+ cur = ""
+ for ch in s:
+ if text_w(cur + ch, fs) > avail:
+ lines.append(cur)
+ cur = ch
+ else:
+ cur += ch
+ if cur:
+ lines.append(cur)
+ if len(lines) > max_lines:
+ OVERFLOW.append("%s: 折行 %d > %d" % (where, len(lines), max_lines))
+ lines = lines[:max_lines]
+ lines[max_lines - 1] = lines[max_lines - 1][:-1] + "…"
+ return lines
+
+
+# ----------------------------- 左:窗滑动机理 -----------------------------
+def mechanism():
+ out = []
+ add = out.append
+ x0, x1 = LPX, LPX + LPW - 40
+ per = 24.0 # 示意:信号周期 24 拍(真实约 20 拍;频差夸大)
+ win = 20.0 # 全周窗固定 20 拍
+ tmax = 44.0
+ def X(t):
+ return x0 + (x1 - x0) * t / tmax
+ yc = (PLOT_T + PLOT_B) / 2 - 14
+ amp = 74.0
+
+ add(txt(LPX, HDR_Y, "机理:窗定宽 20 拍,截到的相位逐窗滑动", HEAD_FONT, INK, weight=700))
+ # 信号
+ pts = []
+ for i in range(221):
+ t = 44.0 * i / 220.0
+ pts.append((X(t), yc - amp * math.sin(2 * math.pi * t / per)))
+ add(poly(pts, LINE, 1.8))
+ # 两个窗
+ for (t0, c, dash, name) in ((0.0, C_BLUE, None, "窗 A"),
+ (20.0, C_ROSE, "6 4", "窗 B(下一行心跳)")):
+ add(rect(X(t0), yc - amp - 16, X(t0 + win) - X(t0), 2 * amp + 32, "none", c, rx=6,
+ sw=1.8 if dash is None else 1.4))
+ add(txt(X(t0) + 4, yc - amp - 22, name, TINY_FONT, c, weight=700))
+ # 拍刻度(每拍一根,只在窗内画,避免刷屏)
+ for k in range(0, 41):
+ add(line(X(k), PLOT_B - 30, X(k), PLOT_B - 24, FAINT, 0.8))
+ add(line(x0, PLOT_B - 24, x1 + 24, PLOT_B - 24, RULE, 1.0))
+ add(txt(x1 + 24, PLOT_B - 10, "拍(1 kHz)", TINY_FONT, MUTED, anchor="end"))
+ # 尾部相位差说明
+ add(txt(x0, PLOT_B + 6,
+ "发生器频率与 1 kHz 时基不严格同步:每过一个窗,尾部多算 / 少算一小段 →",
+ BODY_FONT, MUTED))
+ add(txt(x0, PLOT_B + 24,
+ "基波值围绕真值上下小幅摆动(拍频式)→ 每一行心跳落在摆动带的不同位置",
+ BODY_FONT, MUTED))
+ return out
+
+
+# ----------------------------- 右:取数操作 -----------------------------
+def operation():
+ out = []
+ add = out.append
+ add(txt(RPX, HDR_Y, "操作:这 10 行里取哪个数当代表", HEAD_FONT, INK, weight=700))
+ ax0, ax1 = RPX, RPX + RPW - 150
+ ay0, ay1 = PLOT_T + 8, PLOT_B - 8
+ def Y(v):
+ return ay1 - (v - YLO) / (YHI - YLO) * (ay1 - ay0)
+ def X(i):
+ return ax0 + 24 + i * ((ax1 - ax0 - 40) / 9.0)
+
+ add(line(ax0, ay0 - 12, ax0, ay1 + 6, LINE, 1.6))
+ add(line(ax0, ay1 + 6, ax1, ay1 + 6, LINE, 1.6))
+ for v in (990, 1000, 1010, 1030):
+ add(line(ax0 - 4, Y(v), ax1, Y(v), "#e2e8f0" if v != 990 else RULE, 0.8))
+ add(txt(ax0 - 8, Y(v) + 4, str(v), TINY_FONT, MUTED, anchor="end"))
+ add(txt(ax0 - 8, ay0 - 16, "ua_mv", TINY_FONT, MUTED, anchor="end"))
+
+ srt = sorted(VALS)
+ med = (srt[4] + srt[5]) / 2.0
+ mean = sum(VALS) / float(len(VALS))
+
+ # 三条水平基准:右侧标签逐条错开(线位太近,同高必叠字)
+ lx = ax1 + 8
+ add(line(ax0 + 6, Y(TRUE_V), ax1, Y(TRUE_V), MUTED, 1.2, dash="6 4"))
+ add(txt(lx, Y(TRUE_V) + 15, "真值(万用表 × 1000)", TINY_FONT, MUTED))
+ check_fit("真值(万用表 × 1000)", TINY_FONT, RIGHT - lx, "lbl true")
+ add(line(ax0 + 6, Y(med), ax1, Y(med), C_GREEN, 2.4))
+ add(txt(lx, Y(med) - 3, "中位数 %g ← 本条取它" % med, TINY_FONT, C_GREEN, weight=700))
+ check_fit("中位数 %g ← 本条取它" % med, TINY_FONT, RIGHT - lx, "lbl med")
+ add(line(ax0 + 6, Y(mean), ax1, Y(mean), C_BLUE, 1.4, dash="2 3"))
+ add(txt(lx, Y(mean) - 20, "平均 %g(被拖高)" % mean, TINY_FONT, C_BLUE))
+ check_fit("平均 %g(被拖高)" % mean, TINY_FONT, RIGHT - lx, "lbl mean")
+
+ # 十个点
+ for i, v in enumerate(VALS):
+ c = C_ROSE if i == GLITCH_I else LINE
+ r = 4.6 if i == GLITCH_I else 3.6
+ add('' % (X(i), Y(v), r, c))
+ add(txt(X(i), ay1 + 22, str(i + 1), TINY_FONT, MUTED, anchor="middle"))
+ add(txt(X(GLITCH_I), Y(VALS[GLITCH_I]) - 10, "毛刺行", TINY_FONT, C_ROSE, weight=700,
+ anchor="middle"))
+ add(txt(ax0 + 24, ay1 + 40, "心跳行号(每行间隔 200 ms)", TINY_FONT, MUTED))
+ return out
+
+
+# ----------------------------- 生成 -----------------------------
+def build():
+ avail = RIGHT - PAD
+ check_fit(TITLE, TITLE_FONT, avail, "title")
+ check_fit(SUB1, SUB_FONT, avail, "sub1")
+
+ out = ['' % (W, H, WHITE)]
+ out.append(txt(PAD, 42, TITLE, TITLE_FONT, INK, weight=700))
+ out.append(txt(PAD, 68, SUB1, SUB_FONT, MUTED))
+
+ out.extend(mechanism())
+ out.extend(operation())
+
+ # 竖向分隔
+ out.append(line(497.0, 120.0, 497.0, 452.0, RULE, 1.0))
+
+ ny = 462
+ for i, ln in enumerate(wrap(OPS_NOTE, BODY_FONT, avail, 2, "ops")):
+ out.append(txt(PAD, ny + i * 17, ln, BODY_FONT, INK, weight=700))
+ fy = ny + 40
+ out.append(line(PAD, fy, RIGHT, fy, RULE, 1.0))
+ for i, ln in enumerate(wrap(FOOTNOTE, SUB_FONT, avail, 2, "foot")):
+ out.append(txt(PAD, fy + 20 + i * 18, ln, SUB_FONT, MUTED))
+
+ svg = ('\n'
+ % (W, H, W, H, FONT, "\n".join(out)))
+ d = os.path.dirname(OUT)
+ if not os.path.isdir(d):
+ os.makedirs(d)
+ with open(OUT, "w", encoding="utf-8", newline="\n") as fp:
+ fp.write(svg)
+ ET.fromstring(svg)
+ emit("OK %d bytes, canvas %dx%d -> %s" % (len(svg.encode("utf-8")), W, H, OUT))
+ if OVERFLOW:
+ for o in OVERFLOW:
+ emit("OVERFLOW WARN " + o)
+ emit("!! %d overflow warnings" % len(OVERFLOW))
+
+
+if __name__ == "__main__":
+ build()
diff --git a/tools/arch_diagram/gen_ac_rounds_svg.py b/tools/arch_diagram/gen_ac_rounds_svg.py
new file mode 100644
index 00000000..65f24668
--- /dev/null
+++ b/tools/arch_diagram/gen_ac_rounds_svg.py
@@ -0,0 +1,323 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+"""生成 docs/images/交流六轮速查.svg —— 交流(正弦)动态验证六轮:每一轮注什么信号、
+验什么、主读数走哪个出口,一张图先给全局轮廓,再进 §8.5 逐轮执行卡。
+
+为什么不用 Mermaid:本图的语义重心是「每轮注入信号的波形形状」与「三块小面板里
+信号缩略图 + 判据 + 出口的固定排版对位」——Mermaid 画不出正弦/方波/三角/削顶/谐波
+叠加这些波形,也无法把六格对齐成 3x2 卡片。它只适合关系拓扑(那部分另在
+docs/测试说明/专项验证/ADC前端注入验证流程.md §8.3 / §8.5 用 Mermaid 表达)。
+
+用法(仓库根目录,任意 python3):
+ python tools/arch_diagram/gen_ac_rounds_svg.py
+输出:
+ docs/images/交流六轮速查.svg
+改内容:轮次事实(接法 / 判据 / 出口)变了才重画;调坐标 / 文案编辑下方常量后重跑。
+"""
+import html
+import math
+import os
+import sys
+import xml.etree.ElementTree as ET
+
+
+def emit(s):
+ """控制台打印按目标编码替换,绝不因 GBK 终端遇上 ≤/≈ 之类字符而崩
+ (generated-fresh 钩子会把本脚本拷进临时目录重跑,崩了就是一片假红)。"""
+ enc = getattr(sys.stdout, "encoding", None) or "ascii"
+ sys.stdout.write(s.encode(enc, "replace").decode(enc, "replace") + "\n")
+
+ROOT = os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
+OUT = os.path.join(ROOT, "docs", "images", "交流六轮速查.svg")
+
+# ----------------------------- 画布与尺寸 -----------------------------
+W = 1060
+H = 680
+PAD = 46
+RIGHT = W - PAD
+
+FONT = "Microsoft YaHei, Segoe UI, PingFang SC, sans-serif"
+
+TITLE_FONT = 21
+SUB_FONT = 13
+HEAD_FONT = 15
+LABEL_FONT = 11
+BODY_FONT = 11.5
+TINY_FONT = 10.5
+
+INK = "#0f172a"
+LINE = "#334155"
+MUTED = "#64748b"
+FAINT = "#94a3b8"
+RULE = "#cbd5e1"
+WHITE = "#ffffff"
+
+C_BLUE = "#2563eb"
+BG_BLUE = "#eff6ff"
+C_TEAL = "#0d9488"
+BG_TEAL = "#f0fdfa"
+C_GREEN = "#16a34a"
+BG_GREEN = "#f0fdf4"
+C_AMBER = "#d97706"
+BG_AMBER = "#fffbeb"
+C_ROSE = "#e11d48"
+BG_ROSE = "#fff1f2"
+C_PURPLE = "#7c3aed"
+BG_PURPLE = "#f5f3ff"
+
+# ----------------------------- 布局 -----------------------------
+COLS = 3
+CW = 314
+CH = 246
+GAPX = 12
+GAPY = 14
+X0 = PAD
+Y0 = 106
+THUMB_H = 86
+LABEL_W = 36 # 「注入 / 判据 / 出口」标签列宽
+
+# ----------------------------- 数据(改这里) -----------------------------
+TITLE = "交流动态验证六轮 —— 每一轮注什么信号、读哪个口"
+SUB1 = ("一卡一轮:注入信号缩略图 → 接法与设定 → 判据一句话 → 主读数出口。"
+ "先看图建立全局轮廓,再按 §8.5 的对应执行卡逐轮跑")
+SUB2 = ("六轮共用同一套接线与通用动作;过判据的属主是 docs/任务规划/数据可信.md §4.6.2,"
+ "本图只是导航,不含新判据")
+
+# 每卡:(轮名, 角标, 主色, 底色, 波形类型, 注入, 判据, 出口)
+CARDS = [
+ ("幅值轮", "先做 · 主用例", C_BLUE, BG_BLUE, "amp",
+ "UA(R31)端子侧,正弦 50.000 Hz、1.000 Vrms",
+ "ua_mv 中位数 ≈ 万用表 × 1000,偏差 ≤2 %",
+ "meas: ua_mv 为主;104 0x4011 只作交叉读数"),
+ ("波形轮", "真 RMS ≠ 基波", C_TEAL, BG_TEAL, "three",
+ "同峰值 1.414 V 改方波 / 三角(面板有效值各异)",
+ "读数只跟基波:方波 ≈1278、三角 ≈817,±2 %",
+ "meas: ua_mv;抬头记万用表响应类型"),
+ ("相位轮", "定量 · 取段", C_GREEN, BG_GREEN, "phase",
+ "UA(R31)与 UN(R28)同源同幅 1.000 Vrms",
+ "同段内相位差 ≈0°,B 通道改 90° 应跟到 ≈90°,±2°",
+ "wave_read.py fft 定量;phasor(hb) 只核象限"),
+ ("测频轮", "A 档无数 = 过", C_AMBER, BG_AMBER, "sweep",
+ "UA 同幅值轮接法,扫 45 / 50 / 55 Hz",
+ "A 档如实报不可测:valid=0、UI 显 --;报 50.00 反而是 bug",
+ "freq(hb) 0.01 Hz;UI Hz、104 0x401D"),
+ ("削顶轮", "负向 · 单独日志", C_ROSE, BG_ROSE, "clip",
+ "UB(R52):DC −1.00 V 保持 ≥5 s,或 2.0 Hz 正弦",
+ "连续 20 拍贴底 → rail / edge 锁存 + 104 该路 IV 清零;50 Hz 正弦不锁存 = 预期",
+ "cal: rail / edge;取段再跑 shape 对表"),
+ ("谐波轮", "定量 · 取段", C_PURPLE, BG_PURPLE, "harm",
+ "IA(R19):基波 0.800 + 二次 0.160 + 五次 0.160 Vrms",
+ "Ia2 / Ia5 各 ≈0.160 Vrms,±2 %(最坏峰值 1.58 V 留余量)",
+ "wave_read.py fft --ch 4;UI Ia2 / Ia5 目检旁证"),
+]
+
+FOOTNOTE = ("顺序与耗时见 §8.6(约 135 min 一趟 session);[ERR] 判读见 §8.7,失败先查 §8.8 分诊表。"
+ "波形缩略图只表形状,不代表真实幅度刻度。")
+
+# ----------------------------- 工具函数 -----------------------------
+def esc(s):
+ return html.escape(s, quote=True)
+
+
+def text_w(s, fs):
+ """粗略估算文本像素宽:CJK/全角/圈码/箭头 ≈ 1.0em,其余 ≈ 0.58em(宁可偏大)。"""
+ return sum(fs * (1.0 if ord(ch) >= 0x2E80 else 0.58) for ch in s)
+
+
+OVERFLOW = []
+
+
+def check_fit(s, fs, avail, where):
+ if text_w(s, fs) > avail:
+ OVERFLOW.append("%s: %.0f > %.0f [%s]" % (where, text_w(s, fs), avail, s))
+
+
+def txt(x, y, s, fs, fill, weight=400, anchor=None):
+ a = "" if anchor is None else ' text-anchor="%s"' % anchor
+ w = "" if weight == 400 else ' font-weight="%d"' % weight
+ return ('%s'
+ % (x, y, fs, a, w, fill, esc(s)))
+
+
+def line(x1, y1, x2, y2, color=LINE, width=2.0, dash=None):
+ d = "" if dash is None else ' stroke-dasharray="%s"' % dash
+ return (''
+ % (x1, y1, x2, y2, color, width, d))
+
+
+def rect(x, y, w, h, fill, stroke=None, rx=8, sw=1.6):
+ s = "" if stroke is None else ' stroke="%s" stroke-width="%g"' % (stroke, sw)
+ return '' % (
+ x, y, w, h, rx, fill, s)
+
+
+def poly(pts, color, sw=2.0, dash=None):
+ d = "" if dash is None else ' stroke-dasharray="%s"' % dash
+ p = " ".join("%.1f,%.1f" % (x, y) for x, y in pts)
+ return ('' % (p, color, sw, d))
+
+
+def wrap(s, fs, avail, max_lines, where=""):
+ """按估算宽度折行(CJK 逐字可断)。超出 max_lines 用省略号收尾——
+ 宁可提示文案太长,也不让字溢出盒子。"""
+ if text_w(s, fs) <= avail:
+ return [s]
+ lines = []
+ cur = ""
+ for ch in s:
+ if text_w(cur + ch, fs) > avail:
+ lines.append(cur)
+ cur = ch
+ else:
+ cur += ch
+ if cur:
+ lines.append(cur)
+ if len(lines) > max_lines:
+ OVERFLOW.append("%s: 折行 %d > %d" % (where, len(lines), max_lines))
+ lines = lines[:max_lines]
+ lines[max_lines - 1] = lines[max_lines - 1][:-1] + "…"
+ return lines
+
+
+# ----------------------------- 波形缩略图 -----------------------------
+def _sample(fv, x, y0, w, h, n=140):
+ """把 [-1,1] 的值函数 fv(t in 0..1) 画进框 (x, y0, w, h)。"""
+ yc = y0 + h / 2.0
+ amp = h * 0.36
+ pts = []
+ for i in range(n):
+ t = float(i) / (n - 1)
+ pts.append((x + w * t, yc - amp * fv(t)))
+ return pts
+
+
+def thumb(x, y, w, h, kind, c):
+ out = [rect(x, y, w, h, WHITE, RULE, rx=6, sw=1.0)]
+ pad = 10.0
+ ix, iw, ih = x + pad, w - 2 * pad, h - 2 * pad
+ if kind == "amp":
+ out.append(line(x + 4, y + h / 2, x + w - 4, y + h / 2, FAINT, 0.8, dash="3 3"))
+ yc = y + h / 2.0
+ amp = ih * 0.36
+ out.append(line(x + pad, yc - amp, x + w - pad, yc - amp, c, 1.0, dash="5 4"))
+ out.append(line(x + pad, yc + amp, x + w - pad, yc + amp, c, 1.0, dash="5 4"))
+ out.append(poly(_sample(lambda t: math.sin(2 * math.pi * 2 * t), ix, y + pad, iw, ih), c))
+ out.append(txt(x + pad, y + pad - 1, "峰 ±1.414 V · 基波 RMS 1.000 V", TINY_FONT, MUTED))
+ elif kind == "three":
+ yc = y + h / 2.0
+ amp = ih * 0.36
+ out.append(line(x + pad, yc - amp, x + w - pad, yc - amp, FAINT, 0.9, dash="5 4"))
+ slot = iw / 3.0
+ kinds = [lambda t: math.sin(4 * math.pi * t),
+ lambda t: 1.0 if math.sin(4 * math.pi * t) >= 0 else -1.0,
+ lambda t: (2.0 / math.pi) * math.asin(math.sin(4 * math.pi * t))]
+ names = ["正弦", "方波", "三角"]
+ for i, fv in enumerate(kinds):
+ sx = ix + i * slot
+ out.append(poly(_sample(fv, sx + 6, y + pad, slot - 12, ih, n=120), c, 1.8))
+ out.append(txt(sx + slot / 2, y + h - 2, names[i], TINY_FONT, MUTED, anchor="middle"))
+ out.append(txt(x + pad, y + pad - 1, "同峰值对齐(不是同 Vrms)", TINY_FONT, MUTED))
+ elif kind == "phase":
+ out.append(line(x + 4, y + h / 2, x + w - 4, y + h / 2, FAINT, 0.8, dash="3 3"))
+ out.append(poly(_sample(lambda t: math.sin(2 * math.pi * 1.5 * t), ix, y + pad, iw, ih),
+ c, 2.0))
+ out.append(poly(_sample(lambda t: math.sin(2 * math.pi * 1.5 * t + math.pi / 2),
+ ix, y + pad, iw, ih), C_ROSE, 1.6, dash="6 4"))
+ out.append(txt(x + pad, y + h - 2, "UA 0° 实线", TINY_FONT, c, weight=700))
+ out.append(txt(x + pad + 78, y + h - 2, "UN +90° 红虚线", TINY_FONT, C_ROSE, weight=700))
+ elif kind == "sweep":
+ out.append(line(x + 4, y + h / 2, x + w - 4, y + h / 2, FAINT, 0.8, dash="3 3"))
+ slot = iw / 3.0
+ cyc = [0.9, 1.4, 2.1]
+ labs = ["45 Hz", "50 Hz", "55 Hz"]
+ for i in range(3):
+ sx = ix + i * slot
+ out.append(poly(_sample(lambda t, cc=cyc[i]: math.sin(2 * math.pi * cc * t),
+ sx + 5, y + pad, slot - 10, ih, n=100), c, 1.8))
+ out.append(txt(sx + slot / 2, y + h - 2, labs[i], TINY_FONT, MUTED, anchor="middle"))
+ elif kind == "clip":
+ floor_y = y + pad + ih * 0.86
+ out.append(line(x + pad, floor_y, x + w - pad, floor_y, C_ROSE, 1.2, dash="5 4"))
+ yc = y + pad + ih * 0.40
+ amp = ih * 0.46
+ pts = []
+ n = 160
+ for i in range(n):
+ t = float(i) / (n - 1)
+ v = math.sin(2 * math.pi * 2 * t)
+ vv = max(v, 0.0) * 2.0 - 1.0
+ pts.append((ix + iw * t, yc - amp * vv))
+ out.append(poly(pts, c, 2.0))
+ out.append(txt(x + pad, y + pad - 1, "负半周钉 0(贴下轨)", TINY_FONT, MUTED))
+ elif kind == "harm":
+ out.append(line(x + 4, y + h / 2, x + w - 4, y + h / 2, FAINT, 0.8, dash="3 3"))
+
+ def fv(t):
+ w1 = 2 * math.pi * 1.5 * t
+ return (math.sin(w1) + 0.2 * math.sin(2 * w1) + 0.2 * math.sin(5 * w1)) / 1.35
+
+ out.append(poly(_sample(fv, ix, y + pad, iw, ih), c, 2.0))
+ out.append(txt(x + pad, y + pad - 1, "基波 + 2 次 + 5 次", TINY_FONT, MUTED))
+ return out
+
+
+# ----------------------------- 生成 -----------------------------
+def build():
+ out = []
+ add = out.append
+
+ avail = RIGHT - PAD
+ for s, fs, where in ((TITLE, TITLE_FONT, "title"), (SUB1, SUB_FONT, "sub1"),
+ (SUB2, SUB_FONT, "sub2")):
+ check_fit(s, fs, avail, where)
+
+ body_x = X0 + 12 + LABEL_W
+ body_avail = CW - 24 - LABEL_W
+
+ for idx, (name, tag, c, bg, kind, inj, rule, ex) in enumerate(CARDS):
+ cx = X0 + (idx % COLS) * (CW + GAPX)
+ cy = Y0 + (idx // COLS) * (CH + GAPY)
+ body_x = cx + 12 + LABEL_W
+ check_fit(name + tag, HEAD_FONT, CW - 24, "card %s head" % name)
+ for s, where in ((inj, "inj"), (rule, "rule"), (ex, "exit")):
+ check_fit(s[:14], BODY_FONT, body_avail, "card %s %s firstline" % (name, where))
+
+ add(rect(cx, cy, CW, CH, bg, c, rx=10, sw=2.0))
+ add(txt(cx + 12, cy + 26, name, HEAD_FONT, INK, weight=700))
+ add(txt(cx + CW - 12, cy + 26, tag, TINY_FONT, c, weight=700, anchor="end"))
+ for el in thumb(cx + 12, cy + 36, CW - 24, THUMB_H, kind, c):
+ add(el)
+
+ ty = cy + 36 + THUMB_H + 16
+ for label, s, mx in (("注入", inj, 2), ("判据", rule, 2), ("出口", ex, 2)):
+ add(txt(cx + 12, ty, label, LABEL_FONT, c, weight=700))
+ for ln in wrap(s, BODY_FONT, body_avail, mx, "card %s %s" % (name, label)):
+ add(txt(body_x, ty, ln, BODY_FONT, INK if label == "判据" else MUTED))
+ ty += 16
+ ty += 4
+
+ fy = Y0 + 2 * CH + GAPY + 22
+ add(line(PAD, fy, RIGHT, fy, RULE, 1.0))
+ for i, ln in enumerate(wrap(FOOTNOTE, SUB_FONT, avail, 2, "foot wrap")):
+ add(txt(PAD, fy + 22 + i * 19, ln, SUB_FONT, MUTED))
+
+ svg = ('\n'
+ % (W, H, W, H, FONT, "\n".join(out)))
+
+ d = os.path.dirname(OUT)
+ if not os.path.isdir(d):
+ os.makedirs(d)
+ with open(OUT, "w", encoding="utf-8", newline="\n") as fp:
+ fp.write(svg)
+ ET.fromstring(svg)
+ emit("OK %d bytes, canvas %dx%d -> %s" % (len(svg.encode("utf-8")), W, H, OUT))
+ if OVERFLOW:
+ for o in OVERFLOW:
+ emit("OVERFLOW WARN " + o)
+ emit("!! %d overflow warnings" % len(OVERFLOW))
+
+
+if __name__ == "__main__":
+ build()