pyvisa中command Syntax &&Query Syntax参数介绍

pyvisa中write的参数描述
1、:channel
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1.1、offset
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1.2、scale
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1.3、:PROBe(探头衰减指数)
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2、Timebase
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在这里插入图片描述2.1、scale(水平刻度最小单位,channel中对应的是垂直刻度最小单位)
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2.2、position(TIMebase:POSition命令用来设置触发事件与屏幕上显示参考点之间的时间间隔。显示参考点可以是左、右或中,使用:TIMebase: reference命令设置。最大位置值取决于时间/分区设置)
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3、MEASure
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3.1 Source

4、:waveform
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4.1、:waveform:Source
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13QAPB MINGW64 ~ (master) $ import sqlite3 import re class BlockchainAssetSearcher: def __init__(self, db_path='blockchain_data.db'): """初始化数据库连接并创建示例数据表""" self.conn = sqlite3.connect(db_path) self.cursor = self.conn.cursor() self._create_table() self._insert_sample_data() def _create_table(self): """创建资产数据表""" self.cursor.execute(''' CREATE TABLE IF NOT EXISTS assets ( id INTEGER PRIMARY KEY AUTOINCREMENT, address TEXT UNIQUE, balance REAL, transaction_count INTEGER, asset_type TEXT ) ''') self.conn.commit() [4]}") print(f"地址: {row[1]}, 余额: {row[2]}, 交易数: {row[3]}, 类型: {row bash: import: command not found bash: import: command not found bash: class: command not found bash: syntax error near unexpected token `(' bash: 初始化数据库连接并创建示例数据表: command not found bash: syntax error near unexpected token `(' bash: syntax error near unexpected token `(' bash: syntax error near unexpected token `self._insert_sample_data' bash: syntax error near unexpected token `(' bash: 创建资产数据表: command not found bash: syntax error near unexpected token `$'\'\'\'\n CREATE TABLE IF NOT EXISTS assets (\n id INTEGER PRIMARY KEY AUTOINCREMENT,\n address TEXT UNIQUE,\n balance REAL,\n transaction_count INTEGER,\n asset_type TEXT\n )\n \'\'\''' bash: syntax error near unexpected token `def' bash: 插入示例数据: command not found bash: sample_data: command not found bash: syntax error near unexpected token `,' bash: syntax error near unexpected token `,' bash: syntax error near unexpected token `,' bash: 0x101jkl,: command not found bash: ]: command not found bash: syntax error near unexpected token `try:' bash: syntax error near unexpected token `newline' bash: INSERT OR IGNORE INTO assets (address, balance, transaction_count, asset_type) : command not found bash: VALUES (?, ?, ?, ?),: command not found bash: syntax error near unexpected token `)' bash: except: command not found bash: pass: command not found bash: syntax error near unexpected token `def' bash: 智能资产搜索函数 :param query: 用户查询 (支持地址/余额/交易次数/资产类型) :param threshold: 模糊匹配阈值 (0.0-1.0) :return: 匹配的资产列表 : No such file or directory bash: patterns: command not found bash: address:: command not found bash: balance:: command not found bash: transactions:: command not found bash: asset_type:: command not found bash: syntax error near unexpected token `}' bash: conditions: command not found bash: params: command not found bash: syntax error near unexpected token `(' bash: address: command not found bash: syntax error near unexpected token `"address LIKE ?"' bash: syntax error near unexpected token `address' bash: syntax error near unexpected token `(' bash: syntax error near unexpected token `(' bash: syntax error near unexpected token `"balance BETWEEN ? AND ?"' bash: syntax error near unexpected token `[balance' bash: syntax error near unexpected token `(' bash: syntax error near unexpected token `(' bash: syntax error near unexpected token `"transaction_count BETWEEN ? AND ?"' bash: syntax error near unexpected token `[tx_count-2,' bash: syntax error near unexpected token `(' bash: syntax error near unexpected token `(' bash: syntax error near unexpected token `"asset_type = ?"' bash: syntax error near unexpected token `asset_type' bash: sql: command not found bash: syntax error near unexpected token `(' bash: syntax error near unexpected token `sql,' bash: syntax error near unexpected token `(' bash: syntax error near unexpected token `(' bash: return: results: numeric argument required bash: return: can only `return' from a function or sourced script bash: syntax error near unexpected token `(' bash: 当无模式匹配时使用文本相似度过滤: command not found bash: filtered: command not found bash: syntax error near unexpected token `row_text' bash: syntax error near unexpected token `query.lower' bash: syntax error near unexpected token `row' bash: return: filtered: numeric argument required bash: return: can only `return' from a function or sourced script bash: @staticmethod: command not found bash: syntax error near unexpected token `(' bash: 计算Jaccard相似度: command not found bash: syntax error near unexpected token `(' bash: syntax error near unexpected token `(' bash: syntax error near unexpected token `(' bash: syntax error near unexpected token `(' bash: syntax error near unexpected token `(' bash: syntax error near unexpected token `(' bash: queries: command not found bash: 找地址0x456的资产,: command not found bash: 余额12的BTC钱包,: command not found bash: 交易次数25到30的账户,: command not found bash: ETH资产: command not found bash: ]: command not found bash: syntax error near unexpected token `print' bash: syntax error near unexpected token `(' bash: syntax error near unexpected token `print'
最新发布
12-19
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