AT89C52单片机实现BH1415F调频发射器设计

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at89c52
bh1415f
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资源摘要信息:"该资源提供了使用AT89C52单片机配合BH1415F调频芯片进行调频台控制的C语言程序代码。AT89C52是一种常用的8位微控制器，拥有4KB的程序存储空间，256字节的RAM和32个输入输出端口，非常适合用于嵌入式系统开发。而BH1415F是一款高性能的立体声调频发射IC，能够实现高质量的音频传输，支持多种音频处理功能，如低通滤波器、预加重等，并且具有较好的频率稳定性和较强的抗干扰能力。此外，资源中提到了使用12MHz的晶振，这通常是微控制器系统时钟的标准选择，能够提供较高的处理速度和精确的时间基准。在硬件连接方面，使用共阳四位LED数码管用于显示相关的信息，比如频率设置等。文件名称列表中还提到了“数控调频发射器的设计C程序”，这可能是一个更详尽的设计说明或是一个完整的项目文件，该文件可能包含设计的源代码、电路图以及设计的详细说明。整体而言，这份资源适用于有兴趣开发低成本、高性能调频发射器的工程师或爱好者，同时也适合用于教学和学习微控制器编程和数字电路设计。" 知识点: 1. AT89C52单片机: 这是一种8位微控制器，具有4KB的程序存储空间和256字节的RAM。它包含多个I/O端口、定时器和串行口，广泛用于嵌入式系统和各种自动化控制项目中。 2. BH1415F调频芯片: BH1415F是一款调频发射IC，它能够提供高质量的音频传输，并支持多种音频处理功能，包括低通滤波器和预加重。它适用于需要音频信号处理和调频传输的电子项目。 3. 12MHz晶振: 这是AT89C52单片机的典型工作频率，它为单片机提供了稳定的时钟信号，确保系统能够精确和快速地执行任务。 4. 共阳四位LED数码管: 这是一种常见的显示设备，用于显示数字或字符信息。在本项目中，它被用来显示与调频发射相关的频率设置和其他重要信息。 5. 数控调频发射器设计: 数控调频发射器指的是利用数字控制手段来调整和控制调频信号参数的发射器。在本资源中，C语言程序用于控制调频参数和显示信息。 上述知识点覆盖了资源中提及的所有重要技术细节，为深入理解如何使用AT89C52单片机和BH1415F调频芯片开发调频发射器提供了理论基础。

fff.rar_bh1415f_tubefff

2022-09-14 上传
标题中的"fff.rar_bh1415f_tubefff"可能代表这个压缩包文件的命名规则，其中"fff"可能是项目或程序的简称，"_bh1415f"指的是BH1415F这款微控制器，而"tubefff"可能是特定电路或设备的标识，但具体含义需要更多信息...

bh.rar_PowerBuilder_TWSWTCP example_bh_getnet.dll_进销存

2022-09-20 上传
【标题】"bh.rar" 是一个压缩包文件，其中包含了 "PowerBuilder_TWSWTCP example_bh_getnet.dll_进销存" 的示例代码。这个标题揭示了几个关键的IT概念，首先是 PowerBuilder，这是一个流行的面向对象的第四代编程...

BH1750_51_STM32代码.rar_BH-F103_BH1750 stm32_bh1750 51_bh1750写到stm

2022-09-24 上传
《STM32与BH1750光强传感器的数据采集及应用》 在现代物联网和智能家居领域，环境监测成为了一项重要任务，其中光强的测量尤为关键。本项目涉及的技术核心是使用STM32微控制器（MCU）与BH1750光强传感器进行数据...

select * from (select t1.[id] as t1_id,t1.[requestId] as t1_requestId,t1.[htqsrq] as t1_htqsrq,t1.[htjzrq] as t1_htjzrq,t1.[htbh] as t1_htbh,t1.[gf] as t1_gf,t1.[xf] as t1_xf,t1.[rq] as t1_rq,t1.[fkfs] as t1_fkfs,t1.[formmodeid] as t1_formmodeid,t1.[modedatacreater] as t1_modedatacreater,t1.[modedatacreatertype] as t1_modedatacreatertype,t1.[modedatacreatedate] as t1_modedatacreatedate,t1.[modedatacreatetime] as t1_modedatacreatetime,t1.[modedatamodifier] as t1_modedatamodifier,t1.[modedatamodifydatetime] as t1_modedatamodifydatetime,t1.[form_biz_id] as t1_form_biz_id,t1.[MODEUUID] as t1_MODEUUID,t1.[htfj] as t1_htfj,t1.[zje] as t1_zje,t1.[ds] as t1_ds,t1.[zjedx] as t1_zjedx,t1.[cspp] as t1_cspp,t1.[yfk] as t1_yfk,t1.[gxid] as t1_gxid,t1.[bz] as t1_bz,t1.[gfqymc] as t1_gfqymc,t1.[gfjc] as t1_gfjc,t1.[bh] as t1_bh,t1.[jylx] as t1_jylx,t1.[cght] as t1_cght,t1.[yf] as t1_yf,t1.[yfk1] as t1_yfk1,t1.[yf11] as t1_yf11,t1.[nf] as t1_nf,t1.[rksj] as t1_rksj,t1.[cclx] as t1_cclx,t1.[cgbt] as t1_cgbt,t1.[yfk2] as t1_yfk2,t1.[sywf] as t1_sywf,t1.[yfbl] as t1_yfbl,t1.[fhbl] as t1_fhbl,t1.[yfh] as t1_yfh,t1.[sykf] as t1_sykf,t1.[hzsdlqys] as t1_hzsdlqys,t1.[sys_workflowid] as t1_sys_workflowid,t1.[cgqzyz] as t1_cgqzyz,t1.[htwjpdf] as t1_htwjpdf,t1.[cghtlc] as t1_cghtlc,t1.[htzt] as t1_htzt,t1.[qzfs] as t1_qzfs,t1.[htwjtp] as t1_htwjtp,t1.[cgqzlc] as t1_cgqzlc,t1.[sjfk] as t1_sjfk,t1.[ydkds] as t1_ydkds,t1.[chpt] as t1_chpt,t1.[lxdhchr] as t1_lxdhchr,t1.[gxsjkx] as t1_gxsjkx,t1.[hkzt] as t1_hkzt,t1.[lcfkd] as t1_lcfkd,t1.[fkzlcid] as t1_fkzlcid,t1.[mode_top_4] as t1_mode_top_4,t1.[cgdj] as t1_cgdj,t1.[mode_top_22] as t1_mode_top_22,t2.[id] as t2_id,t2.[mainid] as t2_mainid,t2.[sld] as t2_sld,t2.[ppcj] as t2_ppcj,t2.[hsdj] as t2_hsdj,t2.[bz] as t2_bz,t2.[je] as t2_je,t2.[xhggyt] as t2_xhggyt,t2.[mxgxid] as t2_mxgxid,t2.[dqkckc] as t2_dqkckc,t2.[rkhkc] as t2_rkhkc,t2.[yf] as t2_yf,t2.[yldjbhyf] as t2_yldjbhyf,SELECT year(rksj) as 年 FROM uf_gfht as cus_年年 from uf_gfht t1 INNER join uf_gfht_dt1 t2 on t1.id = t2.mainid) tmp1错在哪里

2023-05-14 上传
t1.[bh] AS t1_bh, t1.[jylx] AS t1_jylx, t1.[cght] AS t1_cght, t1.[yf] AS t1_yf, t1.[yfk1] AS t1_yfk1, t1.[yf11] AS t1_yf11, t1.[nf] AS t1_nf, t1.[rksj] AS t1_rksj, t1.[cclx] AS t1_cclx, t1.[cgbt] AS ...

SELECT idx.ah, idx.ay, idx.lasj, idx.jasj, idx.bh_cqaj, idx.cqaj_ah, idx.ajzlb, idx.c_splcygk, idx.c_bh_sck AS ajbh, idx.ztm AS caseStatus FROM aj_index_2023 idx WHERE NOT EXISTS( SELECT 1 FROM aj_index_2023 d2 ON d2.id = idx.id ) 错误

2023-07-10 上传
idx.c_bh_sck AS ajbh, idx.ztm AS caseStatus FROM aj_index_2023 idx WHERE NOT EXISTS ( SELECT 1 FROM aj_index_2023 d2 WHERE d2.id = idx.id ); ``` 请注意，这个修正仅仅是为了解决语法错误，...

操作BH1415F的代码

2023-04-28 上传
BH1415F是一个用于FM调制和发射的单芯片收音机集成电路，它具有许多功能，例如立体声编码器，数字音频输入和自动音量控制等。下面是一个基本的Arduino代码示例，可以用于控制BH1415F芯片： ``` #include <Wire.h> ...

select count(*) from ucr_act8.tf_oh_cust_special_list @cbss_dgact8_xx a , ucr_cbss_kafuka_new.tf_bh_trade b, where a.user_id=b.user_id and b.in_mode_code = 'M' and a.province_code = '90' and a.START_DATE between to_date('2023-01-01 00:00:00', 'yyyy-mm-dd hh24:mi:ss') and to_date('2023-06-02 23:59:59', 'yyyy-mm-dd hh24:mi:ss')

2023-06-06 上传
2. 在 `ucr_cbss_kafuka_new.tf_bh_trade b, where` 中间多了一个逗号，应该改为 `ucr_cbss_kafuka_new.tf_bh_trade b where`。 修改后的 SQL 语句如下： ``` select count(*) from ucr_act8.tf_oh_cust_special_...

汇编代码_sub_3E99E3: .asmfunc .asg 0, var_0 .asg -2, var_2 .asg -5, var_5 .asg -6, var_6 .asg -7, var_7 .asg -8, var_8 .asg -9, var_9 .asg -0Ah, var_A .asg -0Bh, var_B .asg -0Ch, var_C .asg -0Dh, var_D .asg -0Eh, var_E .asg -0Fh, var_F .asg -10h, var_10 .asg -11h, var_11 .asg -12h, var_12 addb SP,#20转成C语言应该如何定义变量

2023-07-08 上传
根据给出的汇编代码，可以将其转换为以下的C语言定义变量： ```c char var_0; short var_2; char var_5; char var_6; char var_7; char var_8; char var_9; char var_A; char var_B; char var_C; char var_D; char ...

class RNN: def init(self, input_size, hidden_size, output_size): self.input_size = input_size self.hidden_size = hidden_size self.output_size = output_size # 初始化参数 self.Wxh = np.random.randn(hidden_size, input_size) * 0.01 # 输入层到隐藏层的权重矩阵 self.Whh = np.random.randn(hidden_size, hidden_size) * 0.01 # 隐藏层到隐藏层的权重矩阵 self.Why = np.random.randn(output_size, hidden_size) * 0.01 # 隐藏层到输出层的权重矩阵 self.bh = np.zeros((hidden_size, 1)) # 隐藏层偏置 self.by = np.zeros((output_size, 1)) # 输出层偏置 # 初始化隐藏状态 self.h = np.zeros((hidden_size, 1)) def forward(self, x): # 更新隐藏状态 self.h = np.tanh(np.dot(self.Wxh, x) + np.dot(self.Whh, self.h) + self.bh) # 计算输出 y = np.dot(self.Why, self.h) + self.by # 返回输出和隐藏状态 return y, self.h def backward(self, x, y, target, learning_rate): # 计算输出误差 dy = y - target # 计算隐藏状态误差 dh = np.dot(self.Why.T, dy) * (1 - self.h ** 2) # 计算权重和偏置的梯度 dWhy = np.dot(dy, self.h.T) dby = np.sum(dy, axis=1, keepdims=True) dWxh = np.dot(dh, x.T) dWhh = np.dot(dh, self.h.T) dbh = np.sum(dh, axis=1, keepdims=True) # 更新权重和偏置 self.Why -= learning_rate * dWhy self.by -= learning_rate * dby self.Wxh -= learning_rate * dWxh self.Whh -= learning_rate * dWhh self.bh -= learning_rate * dbh 帮写一下用online_shopping_10_cats数据集训练以上模型train函数以及test函数

2023-06-01 上传
self.h = np.tanh(np.dot(self.Wxh, x) + np.dot(self.Whh, self.h) + self.bh) # 计算输出 y = np.dot(self.Why, self.h) + self.by # 返回输出和隐藏状态 return y, self.h def backward(self, x, y, ...

*** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL SYMBOL: AD_RESULT_MV0 MODULE: .\Objects\寻径小车.obj (________) ADDRESS: 00D3H *** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL SYMBOL: AD_RESULT_MV1 MODULE: .\Objects\寻径小车.obj (________) ADDRESS: 00D5H *** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL SYMBOL: AD_RESULT_MV0 MODULE: .\Objects\寻径小车.obj (________) ADDRESS: 0105H *** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL SYMBOL: AD_RESULT_MV1 MODULE: .\Objects\寻径小车.obj (________) ADDRESS: 0107H *** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL SYMBOL: AD_RESULT_MV0 MODULE: .\Objects\寻径小车.obj (________) ADDRESS: 010BH *** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL SYMBOL: AD_RESULT_MV1 MODULE: .\Objects\寻径小车.obj (________) ADDRESS: 010DH

2023-06-12 上传
这些警告信息也是 REFERENCE MADE TO UNRESOLVED EXTERNAL，和之前的警告信息类似。这些警告提示了引用未解析外部符号的地址，需要检查这些地址所在的代码位置。 解决方法和之前的类似，需要检查是否缺少了某个...
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